Plant Profile

Cacao

Theobroma cacao
Family: Malvaceae  ·  Parts used: Fruit, Seed  ·  Also known as: Cocoa, Chocolate tree, Cocoa bean

The complete database record: 4 documented constituents, 4 pharmacological actions, 5 traditional / indicated uses, with 15 cited sources.

Botanical Description

Small evergreen tree (Malvaceae), 4-8 m tall (up to 10 m unpruned), with a dense, spreading crown. Leaves are large, glossy and oblong. Small pink-white flowers are borne directly on the trunk and older branches (cauliflory), followed by large, ridged, football-shaped pods that ripen from green to yellow/orange/red-purple, each containing 20-60 seeds (the cocoa beans) embedded in sweet white pulp.[1]

Height: 4-8 m (up to 10 m unpruned)
Habit: Small evergreen tree, cauliflorous (flowers/pods on the trunk)
Leaves: Large, glossy, oblong
Flowers: Small, pink-white, borne directly on the trunk and older branches
Stem: Woody trunk, flowers and pods arising directly from it
Root: Moderate, spreading root system
Fruit: Large, ridged pod containing 20-60 seeds in sweet white pulp
Flowering Period: Can flower year-round in tropical conditions

Habitat & Distribution

Native to the tropical rainforest understorey of Central and South America (the Amazon and Orinoco basins), now cultivated throughout the tropics within about 20 degrees of the equator (notably West Africa, Southeast Asia and South America), requiring warm, humid, shaded conditions.[1]

Harvesting

Ripe pods are hand-harvested, cut open, and the seeds (with pulp) are removed, fermented for several days - essential for developing chocolate flavour and reducing bitterness - then dried and roasted.[1]

Parts: Fruit, Seed
Season: As pods ripen, largely year-round in the tropics

Key Constituents

Methylxanthines (theobromine, caffeine)[12]

Theobromine is the dominant methylxanthine and the main stimulant/bronchodilator constituent, with lesser amounts of caffeine.

Flavanols (epicatechin, catechin, procyanidins)[1, 2]

The principal bioactive polyphenols, responsible for most of cacao's antioxidant and cardiovascular activity.

CatechinsProanthocyanidinsFlavonoids
Phenylethylamine[12]

A trace amine sometimes linked to cacao's reputed mood-elevating effects.

Cocoa butter (fatty acids)[13]

The fat fraction of the seed, classified as emollient and used in both food and topical products.

Pharmacological Actions

Anti-inflammatory[1, 5, 8, 12, 13]
Antioxidant[1, 3, 5, 7, 10, 12, 13]
Digestive aid[12, 13]
Neuroprotective / cognition support[12, 13]

Traditional & Indicated Uses

Cardiovascular / heart health[1, 2, 3, 4, 5, 6, 9, 12]Strong · 10/10
Evidence: 10
Label: Cardiovascular / heart health

more plants for cardiovascular / heart health →detailed sources →

Cognitive function[12]Limited · 3/10

inferred from neuroprotective action

Mechanistic Exclude Ids: REF-0167
Evidence: 3
Label: Cognitive function

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Inflammation (general)[12]Limited · 3/10

inferred from anti-inflammatory action

Mechanistic Exclude Ids: REF-0167
Evidence: 3
Label: Inflammation (general)

more plants for inflammation (general) →detailed sources →

Memory[12]Limited · 3/10

inferred from neuroprotective action

Mechanistic Exclude Ids: REF-0167
Evidence: 3
Label: Memory

more plants for memory →detailed sources →

Skin irritation[8]Preliminary · 2/10

inferred from anti-inflammatory action

Mechanistic Exclude Ids: REF-0131, REF-0167, REF-1084, REF-1088
Evidence: 2
Label: Skin irritation

more plants for skin irritation →detailed sources →

Traditional Use & History

Cacao has an ancient Mesoamerican tradition (Maya and Aztec) as a ceremonial, medicinal and nutritive beverage, valued as a stimulant tonic and considered sacred - 'food of the gods', reflected in the genus name Theobroma. Modern research on its polyphenol (flavanol) content supports cardiovascular, antioxidant, anti-inflammatory and neuroprotective/cognitive benefits, particularly from minimally processed, high-flavanol cocoa.[1]

Preparations

Dark chocolate (high cocoa content)[1]

Minimally processed chocolate retaining more flavanols than milk chocolate.

Standardised flavanol extract (capsule)[2]

Concentrated extract used in some clinical cardiovascular research.

Dosage

Cocoa flavanol extract[2]

Large clinical trials of cocoa flavanol supplementation for cardiovascular prevention have used around 500 mg/day of cocoa flavanols. Educational reference only, not a prescription; treat concentrated cacao as a mild stimulant (theobromine, some caffeine) and moderate intake accordingly, especially in pregnancy, with heart-rhythm conditions, or on stimulant-sensitive medication.

Safety, Cautions & Contraindications

Safety note[12, 13, 14]Caution

• Stimulant effect (most common issue): cacao naturally contains theobromine (and some caffeine). In larger amounts it can feel like a “gentle coffee”: faster heartbeat, restlessness, trouble sleeping. • Heavy metals (quality matters): cocoa/chocolate can contain cadmium and lead from soil and processing. For frequent use (especially powders, dark chocolate, “ceremonial” paste), choose brands that publish lab tests. • Pregnancy (extra caution late pregnancy): some research suggests very polyphenol-rich foods (including cocoa/dark chocolate) could affect fetal circulation in late pregnancy. This is not “everyone must avoid chocolate,” but high-dose cacao drinks are something to discuss with a clinician if pregnant-especially in the 3rd trimester. • Breastfeeding: moderate chocolate/cacao is usually fine, but very large amounts can affect some infants (stimulation/irritability) because stimulant compounds can pass into milk in small amounts. • If you’re sensitive: cacao can worsen reflux/heartburn, trigger migraines in some people, or cause nausea-especially in strong ceremonial-style servings. • Medication caution: if you take stimulant-sensitive meds, have heart rhythm issues, severe anxiety, or use MAOI antidepressants, treat high-dose cacao drinks like a stimulant and be cautious

Safety note[12, 13, 14, 15]Info

Duke (2002) notes that cacao is primarily known for its cardiotonic, CNS-stimulant, and broncholytic activities at the experimental level (score 1). Theobromine is identified as the principal active constituent responsible for mild bronchodilation and cardiovascular stimulation. Cocoa butter is classified as emollient (score 1). Chocolate's content of phenylethylamine may contribute to reported aphrodisiac properties. Duke notes that excessive consumption may be cariogenic and pro-acneic, and cocoa is a known allergen in sensitive individuals (Duke, 2002).

Harvest Readiness

[11]

Part: fruit
Signals: Cut the pod from the trunk once it has passed physiological maturity and the husk has changed colour., Read ripeness from the PROPORTION of the pod and its grooves that has turned, not from one fixed colour: the ripe colour is clone-specific (for example purple to reddish with yellow grooves), and some clones show little colour change at all.
Basis: traditional
Source Quote: ripeness states (RS) were established based on days since flowering to ensure that all fruits had exceeded the state of physiological maturity
Species Confirmed: 1
Notes: Rojas et al., Heliyon 2020 (REF-3388), open access, tracking husk colour, firmness, weight, soluble solids and pH against ripeness state in three Theobroma cacao clones (ICS95, CCN51, TSH565). The paper's colour descriptors run from 'Purple to reddish color with 20% yellow grooves' to 'Reddish to yellow color with 60% yellow grooves' depending on clone, and it concludes that each clone carries its own set of ripeness parameters - which is why the signal here is the proportion turned rather than a single colour. Supersedes the earlier dead end (Useful Tropical Plants gave no pod-ripeness stage). The seed (cocoa bean) is extracted from these same harvested pods. Single lineage -> provisional.

External Identifiers

References & Sources

  1. Tan, T.Y.C., Lim, X.Y., Yeo, J.H.H., Lee, S.W.H. and others (2021) 'The Health Effects of Chocolate and Cocoa: A Systematic Review', Nutrients, 13(9), pp. 2909. doi:10.3390/nu13092909 Meta-analysis / review
    https://doi.org/10.3390/nu13092909
  2. Sesso, H.D., Manson, J.E., Aragaki, A.K., Rist, P.M. and others (2022) 'Effect of cocoa flavanol supplementation for the prevention of cardiovascular disease events: the COcoa Supplement and Multivitamin Outcomes Study (COSMOS) randomized clinical trial', The American Journal of Clinical Nutrition, 115(6), pp. 1490-1500. doi:10.1093/ajcn/nqac055 Randomized trial
    https://doi.org/10.1093/ajcn/nqac055
  3. Rimbach, G., Melchin, M., Moehring, J. and Wagner, A.E (2009) 'Polyphenols from cocoa and vascular health-a critical review', International Journal of Molecular Sciences, 10(10), pp. 4290-4309. doi:10.3390/ijms10104290 Meta-analysis / review
    https://doi.org/10.3390/ijms10104290
  4. Garcia, J.P., Santana, A., Baruqui, D.L. and Suraci, N (2018) 'The Cardiovascular effects of chocolate', Reviews in Cardiovascular Medicine, 19(4), pp. 123-127. doi:10.31083/j.rcm.2018.04.3187 Meta-analysis / review
    https://doi.org/10.31083/j.rcm.2018.04.3187
  5. Andujar, I., Recio, M.C., Giner, R.M. and Rios, J.L (2012) 'Cocoa polyphenols and their potential benefits for human health', Oxidative Medicine and Cellular Longevity, 2012, pp. 906252. doi:10.1155/2012/906252 Meta-analysis / review
    https://doi.org/10.1155/2012/906252
  6. Matsumoto, C (2018) 'Cocoa Polyphenols: Evidence from Epidemiological Studies', Current Pharmaceutical Design, 24(2), pp. 140-145. doi:10.2174/1381612823666171115095720 Meta-analysis / review
    https://doi.org/10.2174/1381612823666171115095720
  7. Rusconi, M. and Conti, A (2010) 'Theobroma cacao L., the Food of the Gods: a scientific approach beyond myths and claims', Pharmacological Research, 61(1), pp. 5-13. doi:10.1016/j.phrs.2009.08.008 Meta-analysis / review
    https://doi.org/10.1016/j.phrs.2009.08.008
  8. Kang, H., Lee, C.H., Kim, J.R., Kwon, J.Y. and others (2017) 'Theobroma cacao extract attenuates the development of Dermatophagoides farinae-induced atopic dermatitis-like symptoms in NC/Nga mice', Food Chemistry, 216, pp. 19-26. doi:10.1016/j.foodchem.2016.07.141 Preclinical
    https://doi.org/10.1016/j.foodchem.2016.07.141
  9. Yasuda, A., Natsume, M., Osakabe, N., Kawahata, K. and others (2011) 'Cacao polyphenols influence the regulation of apolipoprotein in HepG2 and Caco2 cells', Journal of Agricultural and Food Chemistry, 59(4), pp. 1470-1476. doi:10.1021/jf103820b Preclinical
    https://doi.org/10.1021/jf103820b
  10. Visioli, F., Bernaert, H., Corti, R., Ferri, C. and others (2009) 'Chocolate, lifestyle, and health', Critical Reviews in Food Science and Nutrition, 49(4), pp. 299-312. doi:10.1080/10408390802066805 Meta-analysis / review
    https://doi.org/10.1080/10408390802066805
  11. Rojas, Karen E. and Garc\'ia, Mar\'ia C. and Cer\'on, Iv\'an X. and Ortiz, Ruth E. and Tarazona, Martha P (2020) 'Identification of potential maturity indicators for harvesting cacao', Heliyon, 6(2), pp. e03416. doi:10.1016/j.heliyon.2020.e03416 Preclinical
    https://doi.org/10.1016/j.heliyon.2020.e03416
  12. Katz, D.L., Doughty, K. and Ali, A (2011) 'Cocoa and chocolate in human health and disease', 15(10), pp. 2779--2811. doi:10.1089/ars.2010.3697 Clinical study
    https://doi.org/10.1089/ars.2010.3697
  13. Minifie, B.W (1989) 'Chocolate, Cocoa, and Confectionery: Science and Technology'. Traditional / reference
    https://scholar.google.com/scholar?q=Chocolate%2C%20Cocoa%2C%20and%20Confectionery%3A%20Science%20and%20Technology
  14. Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
    https://powo.science.kew.org
  15. Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
    https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition

This fact sheet is generated automatically from the Omnia Sana plant database and reflects its latest synced data. It is provided for educational purposes only and is not medical advice. How this site is built.

Selected studies & references

Educational use only. This profile summarises traditional and scientific sources for reference. It is not medical advice and not a substitute for a qualified practitioner. Some plants carry safety cautions and drug interactions - always check before use.
This profile is assembled automatically from the Omnia Sana plant database, which we curate by hand. How this site is built.
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