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Acerola / Barbados Cherry (Malpighia emarginata)
Materia Medica
Family: Malpighiaceae
Botanical name: Malpighia emarginata DC.
Common names: Acerola, Barbados Cherry, West Indian Cherry, Acerola Cherry, Cereza, Cereso
Parts used: Fruit, fruit juice and pulp; leaves in regional folk preparations; bark historically as an astringent material
Growth habit: Evergreen to semi-evergreen shrub or small tree
Primary tradition: Caribbean, Central American, northern South American, and Latin American food and folk-herbal traditions
Actions & Energetics
Traditional actions: nutritive, vitamin-C rich, antiscorbutic, astringent, fruit acidifier, and traditional throat and digestive support.
The fruit is strongly tart to sweet-tart depending on cultivar and ripeness. Traditional records center primarily on the edible fruit and juice rather than on a standardized Western tincture tradition.
Botanical Description
Malpighia emarginata is a dense shrub or small tree. Leaves are simple and opposite, generally elliptic, ovate, or obovate, with short petioles and glossy green surfaces. Young leaves and petioles may carry fine irritating hairs.
The flowers occur in small axillary clusters. Each flower has five pink to rose-lavender petals with distinctly crinkled, fringed, or ciliate edges and yellow stamens. The fruit is a red to orange-red drupe, commonly about cherry size, with a characteristic three-lobed or ribbed form. Inside are three hard, ridged stones.
Name Confusion & Related Plants
Acerola has a long history of botanical-name confusion in horticultural and commercial literature. Malpighia emarginata is the accepted species here. Older material may use Malpighia punicifolia or may apply the name Malpighia glabra to cultivated acerola. USDA GRIN treats Malpighia punicifolia in this commercial sense as an invalid designation referring back to M. emarginata.
Acerola is called a cherry because of its size and red color, but it is not a true Prunus cherry.
Traditional Indications & Uses
Caribbean and Latin American food traditions use the fruit fresh and in juice, syrups, preserves, purees, desserts, and beverages. Folk records describe the fruit or juice in connection with coughs, colds, sore throat, diarrhea, dysentery, liver complaints, and general nourishment.
In Dominican traditional medicine, leaves from acerola and other edible-fruited trees have also been prepared in teas used within respiratory mixtures.
Preparations & Documented Amounts
Fresh Fruit
Ripe fruit is eaten fresh as food. The pulp is thin and juicy around three hard stones. Cultivar and ripeness strongly influence tartness and vitamin-C concentration.
Juice & Pulp
Fresh or frozen pulp is commonly pressed, blended, strained, or diluted for beverages. Juice, puree, syrup, jam, jelly, frozen pulp, and freeze-dried fruit preparations are widely used in food processing.
Human Vitamin-C Absorption Study
Healthy adult men received 100 mL of diluted acerola juice containing 50 mg of ascorbic acid as a single study amount. Plasma vitamin-C exposure tended to be higher and urinary excretion lower after acerola juice than after the same amount of isolated ascorbic acid.
Commercial Fruit Powder & Extract
Commercial acerola powders and extracts vary widely in concentration. Some are whole-fruit or juice powders, while others are standardized to a declared vitamin-C content. The vitamin-C amount on the finished product label is the practical measure of concentration.
Constituents
Acerola fruit contains exceptionally high levels of ascorbic acid together with carotenoids, anthocyanins, flavonoids, phenolic acids, sugars, organic acids, fiber, and minerals. Reported polyphenols include quercetin derivatives, anthocyanins, and hydroxycinnamic-acid derivatives.
Vitamin-C concentration varies with cultivar, climate, stage of ripeness, storage, and processing. Less-ripe fruit commonly contains more vitamin C than fully ripe fruit, while prolonged storage, oxygen, light, and heat reduce ascorbic-acid content.
Modern Human Research
A controlled human absorption study compared acerola juice with isolated ascorbic acid. The acerola preparation supplied 50 mg of vitamin C in 100 mL diluted juice. Plasma ascorbic-acid exposure tended to be greater after the acerola juice, while urinary excretion at several time points was lower.
Most other acerola research concerns food chemistry, antioxidant activity, processing, by-products, laboratory models, or animal studies rather than large clinical trials.
Adverse Effects
Ordinary food use of the prepared fruit has a long history. Fine hairs on young leaves and petioles can irritate skin during picking. Historical reports from Curaçao also describe intestinal inflammation or obstruction in children who ate quantities of whole fruits together with the hard stones.
Large concentrated vitamin-C intakes can produce gastrointestinal effects such as loose stools, abdominal discomfort, or nausea.
Interactions & Contraindications
No clinically important herb-drug interaction specific to acerola has been well documented. The fruit is naturally rich in vitamin C, and highly concentrated powders or extracts can supply substantially more vitamin C than ordinary food servings. Finished-product vitamin-C content should therefore be considered when a person has been given medical limits on high-dose vitamin-C intake.
Pregnancy & Breastfeeding
Acerola is an edible fruit, but reliable human data are insufficient to establish the safety of concentrated medicinal extracts or high-dose supplements during pregnancy and breastfeeding. Normal food use should be distinguished from concentrated supplemental use.
Habitat & Cultivation
- Native range: Mexico through Central America to northern Colombia
- Introduced and cultivated: Widely grown throughout the Caribbean, tropical South America, Florida, and other tropical and subtropical regions
- Habit: Dense shrub or small tree
- Light: Full sun for strong flowering and fruiting
- Soil: Well-drained soil; established plants tolerate seasonal dryness
- Climate: Tropical to subtropical; young growth and fruiting wood are sensitive to hard frost
Propagation
Acerola is propagated by seed, cuttings, and grafting. Seed-grown plants can vary considerably in fruit quality and plant habit. Commercial production commonly uses vegetative propagation or grafting when preservation of a selected cultivar is important. Modern propagation work also includes minicuttings and tissue-culture techniques.
Harvesting & Storage
Fruit is delicate and bruises easily. Harvest timing depends on whether the fruit is intended for immediate fresh use, juice, frozen pulp, or high-vitamin-C processing. Green and partly ripe fruits contain more vitamin C, while fully colored red fruit develops a softer texture and fuller flavor.
Fresh fruit deteriorates quickly after harvest. Rapid cooling, freezing, pulping, drying, or processing into juice and puree are common preservation methods.
Food & Household Uses
Acerola is used in fresh fruit, juices, nectars, smoothies, syrups, jams, jellies, sauces, candies, frozen desserts, fruit powders, and vitamin-C ingredients. The tannin-rich bark has also been used historically in leather processing.
History & Cultural Use
Acerola belongs to the tropical American fruit tradition and became especially important as a commercial vitamin-C crop during the twentieth century. It is widely cultivated in Brazil and throughout tropical and subtropical regions. Its food identity remains central even though modern commerce frequently markets it as a concentrated vitamin-C ingredient.
Materia Medica Summary
Acerola / Barbados Cherry (Malpighia emarginata) is a tropical American shrub or small tree best known for its intensely vitamin-C-rich, three-lobed red fruit. Traditional use centers on the fruit and juice as food and as an astringent, nourishing preparation associated with coughs, colds, sore throat, diarrhea, and dysentery. A human absorption study used 100 mL diluted acerola juice containing 50 mg vitamin C. The fruit also supplies carotenoids, anthocyanins, flavonoids, and other polyphenols. Acerola is propagated by seed, cuttings, and grafting and is widely cultivated throughout tropical and subtropical regions.