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Ananas

Ananas is a small genus of tropical herbaceous perennial plants in the family Bromeliaceae, native to South America, comprising two accepted species, with Ananas comosus being the most economically significant as the source of the pineapple fruit.^[1]^[2] The genus name Ananas derives from the Tupi language spoken by indigenous peoples of South America, reflecting its origins in the region.^[3] Plants in Ananas are characterized by rosettes of long, narrow, often spiny leaves emerging from a short stem, with adventitious roots that enable them to thrive in diverse tropical environments.^[1]^[4] The inflorescence is terminal and cone-shaped, producing small purple or red flowers that fuse into a multiple fruit known as a syncarp, which in A. comosus can weigh up to several kilograms and features a distinctive leafy crown.^[3]^[1] Native primarily to regions from Costa Rica to southern tropical South America, including Brazil and Paraguay, Ananas species have been domesticated since pre-Columbian times and were dispersed globally by European explorers in the 16th century.^[2]^[1] Reproduction is predominantly asexual through vegetative propagules such as crowns, slips, and suckers, though sexual reproduction occurs via self-incompatible flowers requiring cross-pollination; most commercial cultivars are seedless.^[1]^[4] Beyond the edible fruit of A. comosus, which is consumed fresh, canned, or juiced and represents a major global crop, Ananas species hold value for their leaf fibers used in textiles like piña cloth and for the enzyme bromelain extracted from the fruit stem for medicinal and industrial applications, including as a meat tenderizer and anti-inflammatory agent.^[3]^[1] Ornamental varieties, such as those with variegated leaves, are also cultivated in warm climates and as houseplants.^[4]

Taxonomy

Etymology

The genus name Ananas originates from the Tupi-Guarani languages spoken by indigenous peoples of South America, where the word nanas or anana referred to the fruit as "excellent fruit" or something similarly prized.^[5] This term reflected the plant's cultural significance as a staple crop among the Tupi-Guarani and Carib peoples, who had domesticated it for thousands of years prior to European contact.^[6] Portuguese explorers encountered the fruit in Brazil during the early 16th century and adopted the indigenous name as ananás, facilitating its introduction to Europe and other regions through colonial trade routes.^[7] From there, variations of ananas spread widely across European and other languages, such as ananas in French, German, and Italian, and piña in Spanish, preserving the Tupi-Guarani root. In contrast, English speakers, upon seeing the fruit's scaly exterior in the late 16th century, named it "pineapple" due to its visual resemblance to a pine cone, diverging from the continental norm.^[8] In botanical nomenclature, Carl Linnaeus incorporated ananas into scientific classification in his 1753 Species Plantarum, designating the pineapple as Bromelia ananas, which laid the foundation for the modern genus name Ananas established later.^[9] This adoption marked a key step in standardizing the term within Linnaean taxonomy, bridging indigenous linguistic heritage with global scientific usage.

Classification

The genus Ananas belongs to the family Bromeliaceae in the order Poales, within the subclass Liliopsida of the kingdom Plantae.^[2] It is placed in the subfamily Bromelioideae, which comprises the largest and most diverse group of bromeliads, primarily characterized by terrestrial or epiphytic habits in tropical regions.^[1] The name Ananas, derived from the Tupi-Guarani word for the fruit, reflects its indigenous South American origins.^[2] Phylogenetic analyses using chloroplast DNA restriction site variation have revealed close relationships between Ananas and genera such as Pseudananas and Bromelia within Bromelioideae, with Bromelia occupying a basal position in the subfamily. More recent molecular studies, including those based on ndhF gene sequences, position Acanthostachys as sister to the core Bromelioideae clade that includes Ananas, supporting an early divergence pattern among these terrestrial lineages during the Miocene. Target-enrichment sequencing of nuclear and plastid loci has further clarified these relationships, confirming the monophyly of Ananas relative to other bromelioid genera. The genus Ananas is monophyletic, encompassing species such as A. comosus and its wild relatives, through its species and varieties reflecting geographic and morphological variation across South American refugia. Recent chloroplast genome assemblies up to 2022 have reinforced this monophyly, showing low interspecific divergence and evidence of hybridization among taxa like A. comosus and A. ananassoides. These genomic insights highlight Ananas as a derived lineage within Bromelioideae, adapted to seasonal dry habitats.

Description

Morphology

Ananas plants exhibit a rosette-forming habit, characterized by a dense spiral arrangement of rigid, sword-shaped leaves emerging from a central point. These leaves, numbering 68 to 82 per plant, can reach lengths of up to 1 meter and widths of 5 to 10 cm, with a tapering tip and a semi-rigid texture that facilitates water collection in the axils. The leaf margins are typically spiny or serrated, providing defense against herbivores, though variations exist across cultivars such as the spineless margins of 'Smooth Cayenne' except at the tips.^[1]^[4] The stem of Ananas is short and thickened, erect and club-shaped, measuring 25 to 50 cm in length and 2 to 8 cm in diameter. It supports the leaf rosette and elongates slightly before flowering, with distinct nodes and internodes bearing adventitious roots. The root system is fibrous and primarily adventitious, forming a shallow tuft near the stem base that spreads laterally up to 1-2 meters and penetrates to about 0.85 meters in depth under optimal conditions, enabling efficient nutrient absorption in nutrient-poor tropical soils.^[1]^[3] The inflorescence is a terminal, compact central spike that emerges from the rosette center, consisting of 50 to 200 small, tubular flowers arranged spirally and subtended by fused bracts. These structures develop into a multiple fruit, or syncarp, through coalescence of the individual fruitlets and bracts, resulting in a cylindrical form up to 30 cm long and weighing 2-3 kg, topped by a crown of short leaves. This syncarp morphology underscores the plant's reproductive strategy, with the fused bracts contributing to fruit protection and dispersal. Cultivar variations influence inflorescence size and fruit characteristics, such as the smaller, more ornamental fruits in dwarf types.^[1]^[10]

Reproduction

The genus Ananas primarily reproduces vegetatively through offsets including the crown atop the fruit, slips emerging from the peduncle, and suckers developing at the plant base, allowing clonal propagation without sexual reproduction.^[1] Sexual reproduction occurs via hermaphroditic flowers featuring three fused carpels and six stamens, though wild species exhibit gametophytic self-incompatibility that prevents self-fertilization and promotes outcrossing.^[1] In cultivated forms, flowering is induced by ethylene or ethylene-releasing compounds like ethephon, typically after the production of 70–80 leaves, with the inflorescence developing over 10–30 days as 5–10 flowers open nightly; this leads to fruit maturation in about six months under optimal conditions.^[1]^[11] Pollination in native South American habitats is mainly by hummingbirds, with secondary contributions from insects such as bees and ants, though pollen's stickiness limits transfer distance.^[11]^[1] Seed production remains rare in commercial varieties due to parthenocarpy, where the syncarpic fruit—formed by the fusion of 100–200 berry-like fruitlets—develops without fertilization, yielding seedless produce.^[1] Most cultivars are diploid with a chromosome number of 2n=50, but triploid forms such as 'Gigante de Tarauacá' (2n=75) occur naturally or through interploidy crosses, enhancing seedlessness and fruit quality in select lines.^[1]^[12]

Distribution and Habitat

Native Range

The genus Ananas is native to the tropical regions from Costa Rica in Central America to southern South America, with its native range primarily encompassing areas from Costa Rica southward through countries including Colombia, Venezuela, Brazil, Paraguay, Bolivia, and northern Argentina. This distribution reflects the plant's origins in the Paraná-Paraguay Basin and adjacent lowland tropics, where wild populations of species such as A. comosus and A. ananassoides occur naturally.^[13]^[14]^[2] In these regions, Ananas species occupy preferred habitats including savannas, forest edges, and rocky outcrops, often at elevations ranging from sea level up to 1,500 meters in Andean foothills. These environments provide the open, well-drained conditions suited to the plants' rosette-forming growth habit and terrestrial lifestyle within the Bromeliaceae family.^[15]^[16] Ecologically, Ananas functions as a pioneer species in disturbed areas, such as cleared lands or fire-affected savannas, where its small, photoblastic seeds germinate readily under high light intensity to initiate succession. The genus exhibits adaptations to acidic, low-nutrient soils typical of these habitats, tolerating pH levels from 4.5 to 6.5 and relying on CAM photosynthesis to efficiently utilize scarce water and nutrients in sandy or rocky substrates.^[17]^[18] Pre-Columbian human influence significantly expanded Ananas distribution within the neotropics, as indigenous groups in South America domesticated early varieties and facilitated their dispersal to Central America, Mexico, and the Caribbean through trade and migration networks.^[5]^[19]

Introduced Regions

The pineapple (Ananas comosus) was first introduced to Asia via Spanish galleons in the early 16th century, reaching the Philippines where it quickly integrated into local agriculture and textile production using its fibers for piña cloth by 1571. Portuguese explorers subsequently transported the plant to India and Java during the 16th to 17th centuries, often using rooted crowns in barrels for long sea voyages, leading to its establishment in Goa by the 1560s where it became abundant in gardens and markets.^[20]^[7] In Africa, the species arrived through Portuguese and Spanish trade routes in the 16th to 17th centuries, with records of cultivation in Mozambique and along the east coast by the late 1500s, facilitated by missionaries who promoted it for dietary and medicinal uses. By the 19th century, further dispersal by European colonizers had spread A. comosus to Oceania and other Pacific islands, including Hawaii, where Spanish explorers introduced it in the 18th century, though large-scale establishment occurred later.^[20]^[7]^[21] Today, naturalized populations of A. comosus thrive beyond cultivation in Central America, Southeast Asia, and Pacific islands, including Hawaii, where escaped plants form feral stands in disturbed tropical habitats. These populations persist due to the plant's vegetative reproduction via crowns, slips, and suckers, combined with high propagule pressure from nearby agricultural discards. The species exhibits tolerance to a range of tropical and subtropical climates, aiding its self-sustaining growth in varied ecosystems, though it is generally not highly invasive.^[20]^[21]^[22]

Cultivation

History

The domestication of Ananas comosus, the pineapple, began with indigenous groups in South America, where archaeological evidence indicates cultivation and use dating back to approximately 1200–800 BCE in coastal regions of Peru.^[23] These early practices transformed wild varieties into a staple crop, with further evidence of widespread cultivation by 200 BCE to 700 CE in Mesoamerica, reflecting a gradual process of selective breeding for larger, sweeter fruits by Native American communities.^[24] Pineapple remained a primarily subsistence crop in these regions for millennia, integral to indigenous diets and rituals prior to European contact.^[25] European encounter with the pineapple occurred during Christopher Columbus's second voyage in 1493, when his expedition discovered the fruit in Guadeloupe, marking the first documented introduction to the Old World.^[23] Columbus brought samples back to Spain, initiating its spread through colonial trade routes across the Atlantic and to European courts, where it symbolized exotic luxury despite challenges like spoilage during long voyages.^[6] By the late 1600s, cultivation in Europe became feasible through innovative greenhouse techniques, known as "pineries," which used heated structures to mimic tropical conditions; the first successful European-grown pineapple was reportedly cultivated in the Netherlands around 1687 by Agnes Block.^[26] In the 19th century, pineapple cultivation shifted toward commercialization, particularly in Hawaii and Florida, as colonial expansion facilitated its establishment as a cash crop. American missionaries introduced pineapple to Hawaii around 1820, where it grew wild and in small gardens before scaling to plantations; by the 1890s, figures like John Kidwell had founded the first commercial operations, leading to the industry's formal launch with canning in 1889.^[27] In Florida, fresh pineapple production centered around the state by the mid-1800s, becoming the U.S. hub for exports by 1900, while in the Azores, plantations emerged in the mid-19th century following the decline of orange exports, with farmers adapting greenhouse methods for subtropical yields.^[28] These developments marked a transition from localized farming to organized agriculture, driven by steamship transport that enabled reliable shipping to global markets.^[29] By the early 20th century, pineapple had evolved from a subsistence and ornamental crop into a major export commodity, with Hawaii's canning industry peaking as the world's largest producer and facilitating widespread international trade.^[27] This era saw increased varietal selection and plantation expansion, solidifying its economic role in tropical economies while reducing its status as an elite rarity in Europe and North America.^[30]

Production Methods

Commercial pineapple production primarily relies on vegetative propagation using crowns, slips, or suckers, which are planted at densities typically ranging from 40,000 to 60,000 plants per hectare to optimize yield and fruit size.^[31] This high-density planting, often in double rows on raised beds with spacings of 0.3-0.6 m between plants and 0.75-1.0 m between beds, facilitates efficient land use and supports ratooning practices where the plant produces additional harvests from the same stool for up to three cycles, extending productivity without replanting.^[32] Ratooning is particularly valuable in tropical regions, allowing for sustained yields of 50-80 tons per hectare over multiple seasons.^[33] Pineapple thrives in well-drained sandy loam soils with a pH of 4.5 to 6.5, as these conditions prevent waterlogging and support root development.^[34] Optimal climate includes temperatures between 20°C and 30°C, with annual rainfall of 1,000-1,500 mm or equivalent irrigation, and high humidity to minimize stress during growth.^[35] Fertilization emphasizes high potassium requirements, typically 110-220 kg/ha of K, alongside 230-300 kg/ha nitrogen and 45-65 kg/ha phosphorus, applied in split doses to promote vegetative growth and fruit quality.^[31] Irrigation is managed through drip systems to maintain consistent soil moisture, especially in drier periods, as pineapples have moderate water needs but are sensitive to both drought and excess.^[36] Integrated pest management (IPM) is essential for controlling key pests such as mealybugs (Dysmicoccus spp.) and root-knot nematodes (Meloidogyne spp.), which can reduce yields by up to 50% if unmanaged.^[37] For mealybugs, strategies include ant control through baits to disrupt mutualistic relationships, biological agents like entomopathogenic nematodes, and targeted insecticides, achieving suppression rates of 70-90% in field trials.^[38] Nematode management involves pre-plant soil fumigation with chemicals like metam sodium, combined with crop rotation and resistant varieties, to limit population densities below economic thresholds.^[39] To ensure uniform flowering and synchronized harvests, forcing techniques using calcium carbide—applied as a slurry to release acetylene gas—are widely adopted at 10-12 months post-planting, inducing 95% bloom uniformity within 4-6 weeks.^[40] Fruits are harvested manually at 12-18 months after planting, when 1/3 to 1/2 of the shell turns yellow, yielding 50-100 tons per hectare depending on variety and conditions.^[33] Global production reached approximately 30 million metric tons in 2023, with leading producers Indonesia (3.2 million metric tons), the Philippines and Costa Rica (both 2.9 million metric tons), and Brazil (2.3 million metric tons). Costa Rica remains the leading exporter.^[41]^[42]^[43] These methods have enabled efficient, large-scale cultivation, supporting the fruit's role as a major tropical export commodity.^[44]

Uses

Culinary Applications

Pineapple, the fruit of Ananas comosus, is primarily consumed fresh or canned, with the fresh form offering a juicy texture ideal for immediate eating and the canned version providing year-round availability through processing that preserves its flavor and nutrients.^[45] The 'Smooth Cayenne' variety is particularly favored for canning and juicing due to its cylindrical shape, balanced acidity, and moderate fiber content that yields firm slices and clear juice without excessive pulp.^[46] Nutritionally, pineapple provides approximately 47.8 mg of vitamin C per 100 g of raw fruit, meeting about 53% of the daily value and supporting immune function, alongside 0.927 mg of manganese per 100 g, which contributes to bone health and metabolism.^[47] It also contains bromelain, a proteolytic enzyme complex concentrated in the core and stem, which aids protein digestion when consumed fresh.^[48] In culinary preparations, pineapple is versatile: it can be grilled to caramelize its natural sugars, enhancing sweetness with a smoky char often achieved by brushing slices with butter or lime juice before cooking for 3-5 minutes per side; baked into upside-down cakes where the fruit's acidity balances rich batters; or fermented into tepache, a traditional Mexican beverage made from pineapple rinds, brown sugar, and water, fermented for 2-3 days to yield a lightly effervescent, tangy drink.^[49]^[50] These techniques highlight its role in tropical cuisines, such as the Hawaiian pizza—a Canadian-invented dish popularized in Hawaii—topped with pineapple chunks, ham, and cheese for a sweet-savory contrast, or Brazilian desserts like grilled pineapple served with caramelized sugar to accentuate its tropical profile.^[51]^[52] Varietal differences influence culinary applications, with 'Smooth Cayenne' offering a classic sweet-tart balance (Brix levels of 12-16°) suitable for both fresh eating and processing into exports like canned rings, while sweeter varieties like 'MD2' exhibit higher sugar content and lower acidity, making them preferable for desserts and fresh consumption without added sweeteners.^[53]

Industrial and Medicinal Uses

Bromelain, a mixture of proteolytic enzymes extracted primarily from the stem and fruit of Ananas comosus, is widely utilized in industrial applications as a meat tenderizer due to its ability to break down proteins in muscle tissue.^[54] This enzyme complex is commercially produced through extraction processes involving aqueous solutions from pineapple waste, followed by purification techniques such as centrifugation and filtration.^[55] In medicinal contexts, bromelain serves as an anti-inflammatory supplement, with clinical studies supporting dosages in the range of 540–1890 mg per day for reducing swelling and pain associated with conditions like osteoarthritis.^[56] Additionally, topical formulations of bromelain aid in wound debridement by enzymatically removing necrotic tissue, promoting faster healing in burns and chronic ulcers.^[54] The leaves of pineapple plants yield strong, fine fibers historically processed into textiles and paper products, particularly in tropical regions where the crop is cultivated. In the Philippines, these fibers have been hand-extracted and woven into piña cloth since the sixteenth century, creating translucent, lightweight fabrics prized for formal garments like the barong tagalog.^[57] The labor-intensive decortication and degumming methods transform the leaf's bast fibers into threads suitable for embroidery and blending with silk, preserving a cultural tradition of sustainable textile production.^[58] Pineapple processing generates substantial waste biomass, including peels and crowns, which holds potential for biofuel production through fermentation into ethanol. Optimized bioconversion processes can achieve yields of 45 liters of ethanol per ton of pineapple peel waste, leveraging the high sugar content for microbial fermentation.^[59] This approach supports circular economy practices by valorizing agricultural by-products into renewable energy sources. In indigenous cultures of Central and South America, where pineapple originated, the fruit and extracts have long been employed in traditional medicine to alleviate arthritis symptoms and aid digestion, often through consumption of fresh juice or poultices.^[60] These practices, rooted in pre-Columbian herbalism, have been corroborated by 21st-century pharmacological studies confirming bromelain's role in modulating inflammation and enhancing proteolytic activity in the gut.^[56]

Species

Diversity and Key Species

The genus Ananas comprises two accepted species, A. comosus and A. macrodontes, both native to tropical regions of South America, with A. comosus further divided into five botanical varieties that reflect significant morphological and genetic variation.^[2]^[61] While current taxonomy by POWO recognizes two species, historical and alternative classifications propose up to nine.^[62] This taxonomy, established through morphological and genetic analyses, highlights the genus's limited but diverse species-level structure compared to broader Bromeliaceae diversity.^[63] A. comosus (L.) Merr. is the primary cultivated species, a self-incompatible diploid that produces seedless fruits through vegetative propagation, and it dominates global agriculture.^[1] Its varieties include var. comosus, the standard commercial form; var. ananassoides (Baker) L.B. Sm., a wild relative from Brazil exhibiting high genetic diversity and smaller, seedy fruits; var. bracteatus (Lindl.) Coppens & F. Leal, prized for ornamental value with striking red inflorescences and variegated leaves; var. erectifolius L.B. Sm., characterized by upright, spiny leaves; and var. parguazensis (Camargo & L.B. Sm.) Coppens & F. Leal, adapted to wetland habitats with compact growth.^[61]^[64] Key cultivars within A. comosus var. comosus demonstrate targeted adaptations for market needs, such as the 'Queen' group, which features small (1-2 kg), cylindrical fruits with high sugar content, low fiber, and vibrant yellow flesh, making them ideal for fresh consumption and export.^[65] In contrast, the 'Smooth Cayenne' group yields larger (2-4 kg), elongated fruits with pale yellow flesh suited for canning and processing due to their balanced acidity and firmness, though leaves often bear marginal spines.^[28] These cultivars, derived from selective breeding, underscore the species's versatility but also its reliance on clonal propagation, which limits natural recombination. A. macrodontes É. Morren, the second species, is a wild, self-compatible form distinguished by robust, arching leaves armed with large, widely spaced spines that curve toward the leaf base, providing natural defense but hindering handling.^[66] Its fruits are smaller and more acidic than those of A. comosus, with viable seeds, and it occurs in overlapping distributions across Brazil, Paraguay, and Bolivia.^[2] Hybridization efforts within the genus aim to enhance traits like disease resistance and fruit quality by crossing A. comosus varieties with wild relatives such as var. ananassoides or A. macrodontes, leveraging their broader genetic pools to introduce variability into commercial lines.^[67] For instance, inter-varietal crosses have produced hybrids with improved spine reduction and yield, though challenges like self-incompatibility in A. comosus necessitate controlled pollination.^[68] However, intensive monoculture of elite cultivars like 'Smooth Cayenne' has led to genetic diversity erosion in cultivated populations, reducing resilience to pests and environmental stresses, as evidenced by low heterozygosity in global germplasm collections.^[69]^[70] Conservation initiatives emphasize preserving wild varieties to counter this trend and support future breeding.^[71]

Conservation

Wild species in the genus Ananas face significant conservation challenges, with many classified as vulnerable due to limited distributions and ongoing habitat degradation. According to a comprehensive assessment of the Bromeliaceae family, which includes Ananas, approximately 81% of evaluated species are potentially threatened, primarily under IUCN Criterion B for small geographic ranges and habitat fragmentation.^[72] Specific wild relatives such as Ananas ananassoides are particularly at risk, though formal IUCN evaluations remain incomplete for most taxa in the genus.^[73] Major threats to Ananas species stem from deforestation across their native South American ranges, where an estimated 17% of Amazonian forests have been completely lost and another 17% degraded, leading to substantial habitat reduction for understory bromeliads like wild pineapples.^[74] Climate change compounds these pressures by altering flowering patterns; elevated minimum temperatures above 26°C disrupt flower induction in pineapple relatives, reducing reproductive success and fruit quality in natural populations.^[75] Conservation efforts for Ananas emphasize both in situ and ex situ strategies to safeguard genetic diversity. In Brazil, the epicenter of Ananas native range, protected reserves such as those managed by Embrapa integrate in situ preservation, monitoring wild populations amid agricultural expansion.^[76] Ex situ initiatives include the USDA's Tropical Plant Genetic Resources and Disease Research unit, which maintains a collection of 181 Ananas accessions, including wild species, to ensure long-term viability through tissue culture and field propagation.^[77] Crop wild relatives of Ananas comosus play a crucial role in breeding programs, providing genes for disease resistance against pathogens like Fusarium spp., which threaten commercial production; for instance, traits from species such as Ananas macrodontes have informed the development of resistant cultivars like 'Unemat Rubi'.^[78] These efforts highlight the value of conserving wild Ananas diversity to support sustainable agriculture amid environmental pressures.^[79]

References

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[40]
Applying Calcium Carbide to Induce Flowering in Pineapple
Oct 20, 2008 · A much older method of inducing flowering uses calcium carbide, which can be safely applied by farmers without any special equipment.
[41]
List of countries by pineapple production - Wikipedia
The estimated total world production for pineapples in 2022 was 29,361,138 metric tonnes, an increase of 2.3% from 28,714,479 tonnes in 2021. Dependent ...
[42]
Pineapple Production by Country 2025 - World Population Review
Costa Rica regained its status as the third largest pineapple-producing country in 2022, having produced over 2.9 million tons of the fruit. The total area of ...
[43]
PINEAPPLE – Common Varieties – TFNet
May 10, 2016 · Mainly, it is prized for canning, having sufficient fiber for firm slices and cubes as well as excellent flavor. Smooth Cayene. There are ...
[44]
Characteristic Aroma Compounds from Different Pineapple Parts
'Smooth Cayenne' pineapple is commonly used as the source of canned fruit and processed juice in China. It can be seen from the results that there were many ...
[45]
Bromelain: Usefulness and Safety | NCCIH - NIH
Bromelain is a group of enzymes that break down proteins. These enzymes are found in the stem and fruit of the pineapple plant. Pineapple was traditionally ...
[46]
Best Grilled Pineapple - Getty Stewart
Rating 5.0 (3) · 25 minApr 5, 2022 · Here's a recipe for grilled pineapple that's perfect for grilling season. You can make it with a brown sugar glaze similar to Brazilian pineapple or you can ...
[47]
Homemade Pineapple Tepache: A Refreshing Fermented Drink
Rating 4.4 (216) · 48 hr 10 minTepache is a super refreshing, slightly fermented drink made from pineapple peels and brown sugar. Make your own at home with this simple recipe.
[48]
Toast Hawaii | Gastronomica | University of California Press
Aug 1, 2022 · Toast Hawaii is an open-faced sandwich with pineapple, ham, and cheese on toast, similar to Hawaiian pizza, but with toast instead of pizza ...
[49]
Nouvelle Cuisine - Fusion of the French and Brazilian cuisine
And for dessert, Brazilian vacherin cheese with pineapple, mango and passion fruit. Course Information:
[50]
Comparing 3 Pineapple Varieties: Golden, Queen, MD2 - great farmer
Sep 29, 2025 · Golden (Smooth Cayenne) delivers a balanced sweet–tart profile, making it ideal for cooking where acidity enhances flavor—think stir-fries or ...
[51]
Bromelain - LiverTox - NCBI Bookshelf - NIH
Feb 10, 2024 · Applied topically, the proteolytic enzymes may help in wound debridement and burn management. In cooking, bromelain is used as a meat tenderizer ...
[52]
Enhancing Bromelain Recovery from Pineapple By-Products - MDPI
Feb 15, 2024 · This type of bromelain powder may be used in meat tenderizer applications that do not require enzymes with a high enzymatic activity [26].
[53]
Bromelain as a Treatment for Osteoarthritis: a Review of Clinical ...
Bromelain, an extract from the pineapple plant, has been demonstrated to show anti-inflammatory and analgesic properties and may provide a safer alternative ...
[54]
flora and fashion: leaf fibers: pineapple, sisal, palm, abaca
Sep 20, 2018 · (13) Today, piña cloth is part of the Filipino national costume, used for formal and wedding attire. Piña is also used to make mats, bags, and ...
[55]
Reviving, Reinventing and Rethinking an Indigenous Luxury Textile
Aug 8, 2024 · This article analyses the history of reviving piña and its afterlives. It argues that reviving piña resulted in re-inventing new blended forms of the textile.
[56]
Analysis of Potential Bioethanol Production from Pineapple (Ananas ...
Using 2.5 "g of peel can produce 1 liter of bioethanol with 27% content. In Beli" District, produces pineapple peel waste around 4,125 tons (4,125 "g) per day, ...Missing: biofuel | Show results with:biofuel
[57]
Exploring the Therapeutic Potential of Bromelain - PubMed Central
Whether consumed as part of fresh pineapple or in supplement form, bromelain may support various aspects of digestion, including protein digestion, nutrient ...
[58]
Morphology, anatomy and taxonomy. | The pineapple
Nov 7, 2018 · This paper describes the morpology and anatomy of stems, leaves, roots, inflorescence and fruit of pineapple, as well as its vegetative ...
[59]
TAXONOMY OF THE GENERA ANANAS AND PSEUDANANAS ...
Aug 10, 1998 · TAXONOMY OF THE GENERA ANANAS AND PSEUDANANAS—AN HISTORICAL REVIEW · F. Leal, G. C. d'Eeckenbrugge, B. Holst · Published 10 August 1998 · Biology, ...
[60]
Ananas ananassoides - LLIFLE
Ananas ananassoides is a small to medium wild pineapple, the most common wild pineapple, with a fruit that is small to medium, often seedy, and white or yellow.<|control11|><|separator|>
[61]
Variety | Pineapple Research Station, Vazhakkulam
The numerous pineapple (Ananas comosus) cultivars are grouped in four main classes: 'Smooth Cayenne', 'Red Spanish', 'Queen', and 'Abacaxi'.
[62]
The large, widely spaced spines of Ananas comosus var. bracteatus....
The large, widely spaced spines of Ananas comosus var. bracteatus. Ananas macrodontes spines are similar but basal spines may point towards the base of the leaf ...
[63]
[PDF] Origin, phylogeny and evolution of pineapple species . - Agritrop
Aug 9, 2015 · - Ananas lucidus, similar again to A . ananassoides, has smooth (spineless) leaves from which good quality fibr e can be obtained . The genus ...
[64]
[PDF] 3 Breeding and Variety Improvement - CABI Digital Library
Pineapple cultivars are heterozygous, and hybridization is a valuable method in generating widely vari- able genotypes through gene recombination. With clear ...<|control11|><|separator|>
[65]
Unraveling genetic diversity and population structure of pineapple ...
Jul 19, 2025 · Pineapple (Ananas comosus (L.) Merr.) is one of the most important tropical fruits worldwide. It is primarily propagated clonally and exhibits ...
[66]
DIVERSITY OF PINEAPPLE GENETIC RESOURCES IN CUBA
The main threats to pineapple diversity in Cuba are the abandonment of cultivars, erosion of cultivars during in situ and ex situ conservation of variability, ...
[67]
Genetic variation of the Ananas genus with ornamental potential
Oct 13, 2011 · The current classification divides the genus in two species: Ananas comosus with five botanical varieties (A. comosus var. ananassoides, A.Missing: key | Show results with:key
[68]
Biogeography and conservation status of the pineapple family ...
Nov 23, 2019 · To provide distribution information and preliminary conservation assessments for all species of the pineapple family (Bromeliaceae), one of the ...
[69]
(PDF) Biogeography and conservation status of the pineapple family ...
Aim To provide distribution information and preliminary conservation assessments for all species of the pineapple family (Bromeliaceae), one of the most ...
[70]
https://www.redalyc.org/journal/610/61051194011/html/
[71]
Deforestation in the Amazon: past, present and future - InfoAmazonia
Mar 21, 2023 · In a span of five years, the Amazon may have lost up to 23.7 million hectares of forest, an area almost as large as the entire United Kingdom.
[72]
Impact of climate variability on pineapple production in Ghana
Mar 9, 2017 · Increases in minimum temperature above 26 °C are known to hinder flower induction and this contributes to loss of yield and quality [9]. Even ...
[73]
Advances in the conservation of pineapple genetic resources at ...
Dec 30, 2022 · One of the most significant advances in the pineapple germplasm conservation has been the implementation of a quality control system, which ...Missing: threats | Show results with:threats
[74]
Pineapple Collection : USDA ARS
Jul 2, 2024 · Ananas. Family: Bromeliaceae. Native to tropical america. Maintained as potted plants and in tissue culture. 181 accessions in GRIN, ...Missing: spines | Show results with:spines<|separator|>
[75]
'Unemat Rubi', a new spineless pineapple cultivar and resistant to ...
May 13, 2025 · Regarding qualitative traits, 61% of the evaluated genotypes were resistant to fusariosis, which was evaluated through field trials, 67% ...
[76]
[PDF] Pineapple Crop Wild Relatives: Implications for Plant Genetic ...
These wild species possess diverse traits, including disease resistance, drought tolerance, improved fruit quality, and unique growth habits.