Ingredient Library

Cloves

Cloves are the dried, unopened flower buds of the clove tree (Syzygium aromaticum), native to Indonesia. They contain eugenol, a volatile oil with documented antimicrobial and analgesic properties used in traditional medicine and dentistry.

Also known as: clove buds, Syzygium aromaticum, clove spice

✓ Source Verified Last verified: June 13, 2026

Scientific & Editorial Standard: This information is synthesized from peer-reviewed databases (such as PubMed, NIH, NHS, and Mayo Clinic) and validated using multi-model cross-referencing by the Plateify Editorial Team. It is intended for educational purposes and is not medical advice. If you suspect food sensitivities, consult a healthcare provider.

Cloves are the sun-dried unopened flower buds of Syzygium aromaticum, cultivated primarily in Indonesia, India, and Madagascar. They have been used as a spice and flavoring agent for centuries in cuisines worldwide and appear in beverages, baked goods, and savory dishes. Clove extract and essential oil are also incorporated into oral hygiene products, topical formulations, and some herbal supplements.

Cloves are calorie-sparse; ground cloves provide roughly 6 calories and approximately 1 gram of carbohydrate per teaspoon. Their primary bioactive compound is eugenol, a phenolic volatile oil that comprises 70–90% of clove essential oil. Eugenol exhibits in vitro antimicrobial activity against some oral pathogens and has been studied for local analgesic effects in dentistry. Whole cloves are relatively high in fiber by weight, though quantities consumed as a spice are negligible for daily fiber intake. They contain polyphenols, and at typical culinary doses are unlikely to cause gastrointestinal irritation in most people, though individual sensitivity can vary.

Oral and Local Antimicrobial Evidence

Eugenol, clove's primary active constituent, has demonstrated antimicrobial and anesthetic effects in dental contexts. Eugenol is recognized in dental practice as a topical analgesic and temporary restorative material component. However, these effects are observed with concentrated extracts or essential oil applied directly to oral tissues, not from consuming cloves as a food ingredient. Culinary clove use contributes negligible eugenol concentration to saliva.

Tolerance and Safety Considerations

Cloves are safe at normal culinary doses (typically 1–2 grams per serving or less). Clove essential oil and concentrated extracts carry higher risk; ingestion of even small quantities of clove oil (particularly in children) or regular use of high-dose extracts can cause gastrointestinal irritation, allergic contact dermatitis in sensitive individuals, or interactions with anticoagulant medications due to eugenol's weak antiplatelet properties. Pregnant women should limit clove consumption to normal food levels and avoid concentrated clove oil or supplements due to limited safety data and eugenol's theoretical uterotonic properties at high concentrations. Individuals with clove or Syzygium sensitivity (rare) should avoid the spice.

Frequently Asked Questions

Can cloves help with dental pain or gum health?

Clove essential oil and eugenol extracts have shown local anesthetic properties when applied directly to oral tissues and are used in some dental products. Consuming cloves as a spice does not deliver sufficient eugenol concentration to affect oral tissues in the same way. For dental pain or gum issues, consult a dentist rather than relying on dietary clove intake.

Are there digestive effects from eating cloves?

Cloves at normal culinary doses do not cause gastrointestinal distress in most people. Some traditional use attributes carminative effects to cloves, but robust clinical evidence in humans is limited. At food-level consumption, significant effects on digestion are unlikely, though individual responses can vary.

Do cloves interact with medications?

At culinary doses, cloves are unlikely to cause clinically meaningful drug interactions. Concentrated clove oil or high-dose extracts may weakly inhibit platelet function and could theoretically interact with anticoagulants or antiplatelet medications; consult a healthcare provider if taking such medications and considering supplemental clove products.

Is clove safe during pregnancy?

Cloves at normal culinary levels (as a flavoring in food or tea) are generally considered safe in pregnancy. Concentrated clove essential oil or high-dose supplements should be avoided due to limited safety data and eugenol's theoretical uterotonic properties at high concentrations. Pregnant individuals should discuss any supplemental herbal use with their healthcare provider.

Sources

  1. Cloves — NCCIH Herbs at a Glance — NIH National Center for Complementary and Integrative Health
  2. Cloves, ground — FoodData Central — USDA FoodData Central
  3. Dietary Supplements — What You Need to Know — FDA

Educational content: This page is for general informational purposes only. Individual responses to foods vary widely. If you suspect a food allergy or sensitivity, consult a licensed dietitian, allergist, or physician before making dietary changes. Full disclaimer

Some content on this site is AI-assisted. While we strive for accuracy, information may not reflect the latest research. Always verify health information with a professional.

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