Herb Flower bud (花蕾 huā lěi)

Ding Xiang

Clove · 丁香

Syzygium aromaticum (L.) Merr. et Perry · Flos Caryophylli

Also known as: Gong Ding Xiang (公丁香, Male Clove), Ding Zi Xiang (丁子香)

Ding Xiang (Clove) plant

Images shown are for educational purposes only

Ding Xiang (Clove bud) is a warming, aromatic herb best known for treating persistent hiccups, nausea, and vomiting caused by a cold, weak stomach. It also gently supports Kidney warmth, which can help with lower body coldness and low vitality. In both Eastern and Western traditions, clove has a long history as a digestive aid, breath freshener, and pain reliever for toothaches.

Category Interior-warming herbs (温里药)
Therapeutic focus Digestive Health Nausea and Vomiting Relief Men's Health Abdominal Pain Relief

TCM Properties

Temperature

Warm

Taste

Acrid / Pungent (辛 xīn)

Channels entered

Spleen, Stomach, Lungs, Kidneys

Parts used

Flower bud (花蕾 huā lěi)

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Educational content • Consult qualified TCM practitioners for diagnosis and treatment

What This Herb Does

Every herb has a specific set of actions — here's what Ding Xiang does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Ding Xiang is primarily used to support these areas of health:

Digestive Health Nausea and Vomiting Relief Men's Health Abdominal Pain Relief

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Ding Xiang performs to restore balance in the body:

Warms the Middle Burner and directs rebellious Qi downward Tonifies Kidney Yang Dispels Cold and Alleviates Pain

How these actions work

'Warms the Middle Burner and directs rebellious Qi downward' is Ding Xiang's most important action. The Stomach's natural function is to send things downward. When Cold invades or settles in the Stomach and Spleen, this downward movement gets disrupted, causing Qi to rebel upward. This produces symptoms like persistent hiccups, nausea, vomiting, and belching. Ding Xiang's warm, pungent nature disperses the Cold and restores the Stomach's natural downward movement. It is considered the go-to herb for hiccups and vomiting caused by Stomach Cold.

'Warms the Kidneys and assists Yáng' means Ding Xiang can gently boost the warming power of the Kidneys. In TCM, Kidney Yáng is the root of all warming activity in the body. When Kidney Yáng is deficient, a person may feel cold in the lower back and knees, experience sexual dysfunction, or have watery diarrhea in the early morning. Ding Xiang enters the Kidney channel and provides warming support, though it is milder than major Kidney Yáng tonifiers like Rou Gui (Cinnamon bark) or Fu Zi (Aconite).

'Disperses Cold and alleviates pain' refers to Ding Xiang's ability to relieve cold-type abdominal pain. When Cold constricts the channels in the abdomen, it causes cramping pain that feels better with warmth and pressure. Ding Xiang's pungent warmth disperses the Cold and relaxes the constriction, easing the pain.

Patterns Addressed

In TCM, symptoms cluster into recognizable patterns of disharmony. Ding Xiang is used to help correct these specific patterns.

Why Ding Xiang addresses this pattern

Ding Xiang directly addresses the core pathomechanism of Spleen and Stomach Deficiency Cold. Its warm, pungent nature disperses the Cold that has settled in the Middle Burner, while its strong descending action restores the Stomach's natural downward movement of Qi. When the Spleen and Stomach are both deficient and cold, the digestive fire is too weak to transform food and fluids, and Cold constricts the Middle Burner, causing rebellious upward Qi (hiccups, vomiting) and poor digestion. Ding Xiang warms the interior through its entry into the Spleen and Stomach channels, making it the key herb for Cold-type hiccups and vomiting.

A practitioner would look for one or more of these signs

Hiccups

Persistent hiccups that worsen with cold food or drink

Nausea Or Vomiting

Nausea and vomiting of clear fluid, relieved by warmth

Abdominal Pain

Cold abdominal pain that improves with warmth and pressure

Diarrhea

Loose stools or diarrhea from Spleen Cold

Poor Appetite

Poor appetite with aversion to cold foods

Commonly Used For

These are conditions where Ding Xiang is frequently used — but only when they arise from the specific patterns it addresses, not in all cases

Arises from: Spleen and Stomach Qi Deficiency

TCM Interpretation

In TCM, hiccups are understood as Stomach Qi rebelling upward instead of descending as it normally should. The Stomach is meant to send food and Qi downward, and when this downward function is impaired, Qi surges up through the diaphragm, producing the involuntary hiccup sound. There are both Hot and Cold types of hiccups. The Cold-deficiency type occurs when the Stomach has become weakened and Cold has settled in the Middle Burner, constricting the Stomach's descending mechanism and causing Qi to repeatedly rebel upward.

Why Ding Xiang Helps

Ding Xiang is considered the essential herb for Cold-type hiccups. Its warm, pungent nature directly disperses the Cold that is constricting the Stomach, while its naturally descending action pushes rebellious Qi back downward. This dual mechanism (warming and descending) addresses both the root cause (Cold in the Stomach) and the symptom (upward-rebelling Qi). The classical formula Ding Xiang Shi Di Tang pairs it with Shi Di (Persimmon calyx) specifically for this purpose.

Also commonly used for

Nausea Or Vomiting

Cold-type nausea and vomiting that improves with warmth

Gastroesophageal Reflux Disease

Acid reflux with cold-deficiency pattern

Diarrhea

Diarrhea from Spleen and Stomach Cold

Poor Appetite

Reduced appetite from digestive Cold

Abdominal Pain

Cold-type epigastric or abdominal cramping

Toothache

External application of clove oil for dental pain

Bad Breath

Historical use as breath freshener

Herb Properties

Every herb has an inherent temperature, taste, and affinity for specific channels — these properties determine how it interacts with the body

Temperature

Warm

Taste

Acrid / Pungent (辛 xīn)

Channels Entered

Spleen Stomach Lungs Kidneys

Parts Used

Flower bud (花蕾 huā lěi)

Dosage & Preparation

These are general dosage guidelines for Ding Xiang — always follow your practitioner's recommendation, as dosages vary based on the formula and your individual condition

Standard dosage

1–3g

Maximum dosage

Generally do not exceed 5g in decoction. Standard dosage is 1 to 3g, and the herb's potent warming nature means higher doses risk injuring Yin and causing symptoms of Heat rising.

Dosage notes

Standard decoction dose is 1 to 3g. For warming the Stomach and stopping hiccups, 1 to 3g is sufficient due to the herb's strong aromatic potency. When used to warm the Kidneys and assist Yang (e.g. for impotence or Cold pain in the lower abdomen), it is typically combined with other warming Kidney herbs such as Rou Gui and Fu Zi rather than increasing the Ding Xiang dosage. In powder form, the dose is typically 0.5 to 1g per serving. The Ben Cao Tong Xuan advises that Ding Xiang is best combined with moistening herbs in pill formulations to prevent its strong ascending warmth from damaging the Lungs.

Preparation

Ding Xiang is aromatic and rich in volatile oils. It should be added near the end of decoction (后下, hou xia), typically in the last 5 minutes of boiling, to preserve its essential oil content. Prolonged boiling dissipates the volatile compounds that are responsible for its therapeutic warming and descending actions.

Common Herb Pairs

These ingredients are traditionally combined with Ding Xiang for enhanced therapeutic effect

Shi Di
Shi Di Ding Xiang 6g : Shi Di 9g

Ding Xiang warms the Stomach and disperses Cold while Shi Di (Persimmon calyx) is specifically skilled at directing rebellious Qi downward and stopping hiccups. Together they form the classic pair for Cold-type hiccups, with Ding Xiang addressing the root cause (Stomach Cold) and Shi Di reinforcing the descending mechanism.

When to use: Persistent hiccups, belching, or vomiting due to Cold in the Stomach, especially when symptoms worsen with cold food and improve with warmth.

Rou Gui
Rou Gui 1:1

Ding Xiang warms the Stomach and gently assists Kidney Yáng, while Rou Gui (Cinnamon bark) powerfully warms the Kidney's ministerial fire and supplements Yáng. Together they create a strong warming effect on both the digestive system and the Kidneys, addressing the full spectrum from cold abdominal pain to sexual dysfunction.

When to use: Kidney Yáng Deficiency with concurrent Stomach Cold, presenting as impotence, cold lower back, cold abdominal pain, and poor digestion.

Ban Xia
Ban Xia Ding Xiang 3-6g : Ban Xia 9g

Ding Xiang warms the Stomach and descends rebellious Qi, while Ban Xia (Pinellia) excels at drying Dampness, transforming Phlegm, and harmonizing the Stomach to stop vomiting. Together they enhance the warming, descending, and anti-nausea effect, addressing both Cold and Phlegm-Damp obstruction in the Middle Burner.

When to use: Nausea and vomiting due to Stomach Cold with concurrent Phlegm-Dampness, such as vomiting of clear or phlegmy fluid.

Ren Shen
Ren Shen Ding Xiang 6g : Ren Shen 3g

Ding Xiang warms the Middle Burner and descends rebellious Qi, while Ren Shen (Ginseng) powerfully tonifies Spleen and Stomach Qi. This pairing addresses both the Cold and the underlying Qi Deficiency that allows Cold to persist, making the warming effect sustainable.

When to use: Stomach Qi Deficiency with Cold causing persistent hiccups or vomiting, especially in chronically ill or weakened patients.

Key Formulas

These well-known formulas feature Ding Xiang in a prominent role

Ding Xiang Shi Di Tang 丁香柿蒂湯 King

The definitive formula for Cold-type persistent hiccups. Ding Xiang serves as co-King alongside Shi Di, showcasing its core action of warming the Stomach and descending rebellious Qi. This four-herb formula (from Zheng Yin Mai Zhi) is the most clinically associated with Ding Xiang and perfectly illustrates its primary indication.

Su He Xiang Wan 蘇合香丸 Assistant

A famous aromatic, warming emergency formula for Cold-type loss of consciousness (closed syndrome). Ding Xiang contributes its warm, aromatic qualities to the formula's overall strategy of opening the orifices and dispersing Cold obstruction. This formula demonstrates Ding Xiang's aromatic, Cold-dispersing nature in a broader context beyond digestive complaints.

Comparable Ingredients

These ingredients have overlapping uses — here's how to tell them apart

Wu Zhu Yu
Ding Xiang vs Wu Zhu Yu

Both warm the Stomach and descend rebellious Qi to stop vomiting and hiccups. However, Wu Zhu Yu (Evodia) also enters the Liver channel and is stronger at treating Liver-Stomach disharmony with symptoms like vertex headaches, acid reflux, and hypochondriac pain. Ding Xiang is more focused on pure Stomach Cold with hiccups and has a gentler Kidney-warming effect. Wu Zhu Yu is hotter and more drying.

Gao Liang Jiang
Ding Xiang vs Gao Liang Jiang

Both are warm, pungent herbs that dispel Cold from the Stomach and relieve pain. Gao Liang Jiang (Galangal) is stronger at stopping acute cold-type stomach pain and is the first choice for sudden epigastric pain after consuming cold food. Ding Xiang is more specific for descending rebellious Qi (hiccups, vomiting) and has the additional Kidney-warming action that Gao Liang Jiang lacks.

Sha Ren
Ding Xiang vs Sha Ren

Both warm the Middle Burner and are aromatic. Sha Ren (Amomum) excels at transforming Dampness and moving Qi stagnation in the Spleen, making it the better choice when Dampness and bloating dominate the picture. Ding Xiang is superior for descending rebellious Qi (hiccups, vomiting) and has Kidney-warming properties that Sha Ren does not.

Common Substitutes & Adulterants

Related species and common adulterations to be aware of when sourcing Ding Xiang

The most important distinction to make is between medicinal Ding Xiang (Syzygium aromaticum, from the Myrtaceae family) and the ornamental lilac bush (Syringa spp., from the Oleaceae family). Both are called 'ding xiang' in Chinese, but they are completely unrelated plants with different properties. Ornamental lilac has no place in the TCM materia medica. Within the authentic species, Mu Ding Xiang (母丁香, the mature fruit or 'mother clove') is sometimes substituted for Gong Ding Xiang (公丁香, the flower bud or 'male clove'). The fruit has less aromatic oil and weaker therapeutic potency. Exhausted cloves (buds from which the essential oil has already been extracted by distillation) may also be fraudulently sold. These can be identified by their lack of strong aroma, lighter weight, and inability to sink in water.

Educational content — always consult a qualified healthcare provider or TCM practitioner before using any herb.

Toxicity Classification

Classical Chinese pharmacopoeia toxicity rating for Ding Xiang

Non-toxic

Ding Xiang is classified as non-toxic in the Chinese Pharmacopoeia and classical sources such as the Kai Bao Ben Cao. Its primary active compound eugenol is generally recognized as safe (GRAS) by the US FDA for use as a food additive. However, concentrated clove oil (as distinct from the whole herb used in decoction) can cause mucosal irritation, and excessive internal use of the essential oil has been associated with nausea, liver stress, and potential bleeding risk due to eugenol's antiplatelet properties. At standard decoction dosages (1 to 3g of the dried herb), toxicity is not a practical concern.

Contraindications

Situations where Ding Xiang should not be used or requires extra caution

Avoid

Heat conditions and Yin deficiency with Heat signs. Ding Xiang is warm and pungent, and will worsen patterns involving internal Heat, Yin-deficient Fire, or Stomach Heat with vomiting.

Avoid

Do not use concurrently with Yu Jin (Curcumae Radix). This is a classical incompatibility from the Nineteen Mutual Fears (十九畏) list. The combination may produce adverse effects.

Caution

Used alone in large doses or over prolonged periods, Ding Xiang's strong warming and ascending nature may injure the Lungs and eyes, as noted in the Ben Cao Tong Xuan: 'used alone or in excess, it easily surges upward, damaging the Lungs and eyes.'

Caution

Febrile disease (warm-pathogen conditions) or externally contracted Heat patterns. As a purely warming herb, it should not be used during acute febrile illness.

Caution

Persons with bleeding disorders or those taking anticoagulant/antiplatelet medications should use with caution, as eugenol (the primary active compound) has demonstrated antiplatelet activity in pharmacological studies.

Classical Incompatibilities

Traditional Chinese pharmacological incompatibilities — herbs or substances to avoid combining with Ding Xiang

Ding Xiang is listed in the Nineteen Mutual Fears (十九畏): Ding Xiang wei Yu Jin (丁香畏郁金). Ding Xiang (Clove) and Yu Jin (Curcumae Radix / Turmeric tuber) should not be used together. This applies to both Gong Ding Xiang (flower buds) and Mu Ding Xiang (fruits).

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Caution advised. Ding Xiang is classified as a warming, aromatic herb. Clove and its essential oil have been shown to cause uterine contractions in pharmacological studies, which poses a theoretical risk of miscarriage. While the whole dried herb at standard decoction doses (1 to 3g) is not listed among the formally prohibited pregnancy herbs in the Chinese Pharmacopoeia, concentrated clove oil and high doses should be strictly avoided during pregnancy. Pregnant women should consult a qualified practitioner before use.

Breastfeeding

No specific human safety data exists for Ding Xiang during breastfeeding. The primary active compound eugenol is fat-soluble and may transfer into breast milk, potentially affecting the infant. Small culinary amounts are likely safe, but medicinal doses (decoctions, concentrated preparations, or clove oil) should be used with caution during breastfeeding. Consult a qualified practitioner before use.

Children

Ding Xiang can be used in children but at reduced dosages appropriate to age and body weight. Li Shizhen noted its use for childhood vomiting, diarrhea, and failure of smallpox eruptions. Concentrated clove oil should never be applied undiluted to children's skin or gums, as it can cause irritation. For infants and young children, external use of clove oil requires significant dilution.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Ding Xiang

Anticoagulant and antiplatelet medications (e.g. warfarin, aspirin, heparin, apixaban): Eugenol, the primary active compound in Ding Xiang, has demonstrated antiplatelet activity by inhibiting thromboxane formation and altering arachidonic acid metabolism in platelets. Concurrent use may theoretically increase bleeding risk. Monitoring is advised if both are used together.

NSAIDs (e.g. ibuprofen, naproxen): Due to eugenol's similar mechanism of action on the arachidonic acid pathway, combined use may increase the risk of gastrointestinal bleeding or mucosal irritation.

Pre-surgical consideration: Clove supplements or concentrated preparations should be discontinued at least two weeks before scheduled surgery due to the potential antiplatelet effect of eugenol.

Hypoglycemic agents: Some research suggests clove extracts may have blood-sugar-lowering effects. People taking diabetes medications should monitor blood glucose carefully if using Ding Xiang medicinally.

Dietary Advice

Foods and dietary considerations when taking Ding Xiang

While taking Ding Xiang, favour warm, easily digestible foods that support Spleen and Stomach function (such as congee, cooked vegetables, and warming soups). Avoid cold, raw, and greasy foods, which counteract the herb's warming actions. Because Ding Xiang is strongly warming, those with any tendency toward Heat or Yin deficiency should avoid spicy, alcohol-rich, or excessively heating foods during treatment to prevent excessive internal Heat accumulation.

Botanical Description

Physical characteristics and morphology of the Ding Xiang source plant

Syzygium aromaticum (syn. Eugenia caryophyllata) is a bushy, dense evergreen tree of the Myrtaceae (myrtle) family, native to the Maluku Islands (Spice Islands) of eastern Indonesia. Mature trees reach 8 to 12 metres tall, sometimes up to 20 metres, with a pyramidal canopy of bright, glossy leaves. The leathery, ovate to lanceolate leaves grow in opposite pairs, reaching 8 to 13 cm long, and their undersides are dotted with aromatic oil glands.

The small flowers develop in terminal clusters. The buds begin pale, turn green, and then transition to bright red when ready for harvest. Each bud consists of a long, narrow calyx (about 1.5 to 2 cm) topped by four triangular sepals and four tightly overlapping petals forming a small round ball that protects the developing stamens and style inside. If allowed to bloom, the petals open to reveal numerous white-yellow stamens. The fruits are ellipsoid, maturing from red to dark purple-black, each containing one seed (the so-called 'mother clove'). The tree thrives in hot, humid tropical lowland environments, typically at elevations below 300 metres, and begins flowering around its fourth to fifth year after planting.

Sourcing & Harvesting

Where Ding Xiang is sourced, when it's harvested or collected, and how to assess quality

Harvesting season

Typically harvested from September through March of the following year, when the flower buds change from green to bright red, just before they open.

Primary growing regions

Ding Xiang is not native to China and was historically imported. The highest quality medicinal cloves come from the islands of Zanzibar (Tanzania), Madagascar, Sri Lanka, and Indonesia (particularly the Maluku Islands, its place of origin). In China, it is cultivated on a smaller scale in Guangdong and Hainan provinces. Indonesian and Zanzibari cloves are traditionally considered the finest quality due to their high essential oil content.

Quality indicators

Good quality Ding Xiang (gong ding xiang / clove buds) should be large, plump, and firm with a reddish-brown to dark brown colour. The buds should feel heavy and oily when pressed between the fingers, and should be rich enough in volatile oil to sink in water. The aroma should be intensely fragrant and spicy. When crushed, numerous tiny yellow pollen grains from the anthers should be visible inside. The essential oil content should be no less than 16% by pharmacopoeia standards. Avoid buds that are pale, shriveled, lightweight, lacking in aroma, or visibly broken with much debris.

Classical Texts

Key passages from the classical Chinese medical texts that describe Ding Xiang and its therapeutic uses

《开宝本草》(Kai Bao Ben Cao)

Original: 丁香，味辛，温，无毒。温脾胃，止霍乱，壅胀，风毒诸肿，齿疳。

Translation: Ding Xiang is acrid in flavour, warm in nature, and non-toxic. It warms the Spleen and Stomach, stops cholera-like vomiting and diarrhea, treats distension and fullness, Wind-toxin swellings, and gum ulcers.

《本草经疏》(Ben Cao Jing Shu)

Original: 丁香，其主温脾胃、止霍乱壅胀者，盖脾胃为仓廪之官，饮食生冷，伤于脾胃，留而不去，则为壅塞胀满，上涌下泄，则为挥霍撩乱，辛温暖脾胃而行滞气，则霍乱止而壅胀消矣。

Translation: Ding Xiang's ability to warm the Spleen and Stomach and stop cholera-like distension is because the Spleen and Stomach are the organs of storage. When cold food and drink injure them and the pathogen lingers, fullness and distension result. If it surges up and pours down, there is disordered vomiting and diarrhea. Its acrid warmth warms the Spleen and Stomach while moving stagnant Qi, thus stopping the turmoil and resolving the distension.

《本草通玄》(Ben Cao Tong Xuan)

Original: 丁香，温中健胃，须于丸剂中同润药用乃佳。独用多用，易于僭上，损肺伤目。

Translation: Ding Xiang warms the centre and strengthens the Stomach, but is best used in pill form combined with moistening herbs. Used alone or in excess, it easily surges upward, injuring the Lungs and damaging the eyes.

《日华子本草》(Ri Hua Zi Ben Cao)

Original: 治口气，反胃，疗肾气，奔豚气，阴痛，壮阳，暖腰膝，杀酒毒，消痃癖，除冷劳。

Translation: Treats bad breath and reflux vomiting, addresses Kidney Qi disorders and rushing-piglet Qi, treats genital cold pain, strengthens Yang, warms the lower back and knees, detoxifies alcohol, disperses abdominal masses, and eliminates Cold-type debility.

Historical Context

The history and evolution of Ding Xiang's use in Chinese medicine over the centuries

Ding Xiang has a long history as a prized imported spice and medicine. The Chinese name literally means 'nail-shaped fragrance', referring to the shape of the dried flower bud, which resembles a small nail. The Western name 'clove' shares the same etymology, coming from the Latin clavus (nail). It was introduced to China during the Han Dynasty (around 200 BCE), when envoys from Southeast Asia brought cloves to the imperial court. A famous early use was as a breath freshener: courtiers were required to hold cloves (known then as 'chicken tongue fragrance', ji she xiang 鸡舌香) in their mouths to perfume their breath during audiences with the emperor.

Classical Chinese materia medica texts distinguish between 'male cloves' (gong ding xiang 公丁香, the flower buds) and 'female cloves' (mu ding xiang 母丁香, the mature fruits). The Lei Gong Pao Zhi Lun noted that the larger female cloves were preferred in formulas while the smaller male cloves were used in decoctions and ointments. Over time, clinical experience reversed this preference: the flower buds (gong ding xiang) became standard for medicinal use because of their stronger aroma and higher oil content. Li Shizhen in the Ben Cao Gang Mu expanded its indications to include treating hiccups in debilitated patients, childhood vomiting and diarrhea, and failure of smallpox eruptions due to Stomach deficiency. Throughout its history, Ding Xiang has been valued both as a warming interior herb and as a culinary spice, and it remains one of the five ingredients in the famous Chinese five-spice powder.

Modern Research

4 published studies investigating the pharmacological effects or clinical outcomes of Ding Xiang

1

Antiplatelet principles from a food spice clove (Syzygium aromaticum L.) (In vitro study, 1993)

Srivastava KC. Prostaglandins, Leukotrienes and Essential Fatty Acids. 1993;48(5):363-372.

This study isolated eugenol and acetyl eugenol from clove oil and tested their effects on human platelet aggregation. Both compounds inhibited aggregation triggered by arachidonic acid, adrenaline, and collagen. Based on IC50 values, eugenol and acetyl eugenol were more potent than aspirin in inhibiting platelet aggregation. The mechanism involved inhibition of thromboxane formation and increased 12-lipoxygenase products.

PubMed
2

Clove (Syzygium aromaticum): a precious spice (Review, 2014)

Cortés-Rojas DF, de Souza CRF, Oliveira WP. Asian Pacific Journal of Tropical Biomedicine. 2014;4(2):90-96.

A comprehensive review of the biological activities of clove and its main compound eugenol. The review covers antimicrobial, antioxidant, anti-inflammatory, and anticancer properties. Clove was found to have higher antioxidant and antimicrobial activity than many other spices, fruits, and vegetables. Its phenolic compounds (eugenol, eugenol acetate, gallic acid) were identified as the main bioactive constituents responsible for these effects.

PubMed
3

Pharmacological and Toxicological Properties of Eugenol (Review, 2020)

Barboza JN, da Silva Maia Bezerra Filho C, Silva RO, et al. Molecules. 2018;23(6):1314.

This review summarized the pharmacological profile of eugenol, the primary bioactive component of clove. Activities documented include antimicrobial, anti-inflammatory, analgesic, antioxidant, vasodilatory, and antipyretic effects. While eugenol is considered safe at standard doses, the review noted that excessive doses may cause hepatotoxicity and that cytotoxicity and genotoxicity data remain limited and somewhat controversial.

PubMed
4

Syzygium aromaticum L. (Myrtaceae): Traditional Uses, Bioactive Chemical Constituents, Pharmacological and Toxicological Activities (Review, 2020)

Khalil AA, ur Rahman U, Khan MR, et al. Molecules. 2020;25(6):1451.

A broad review examining clove's traditional uses alongside modern pharmacological evidence. Clove and eugenol demonstrated antimicrobial activity against pathogenic bacteria (including methicillin-resistant Staphylococcus), antifungal, antiviral, antiparasitic, anti-inflammatory, analgesic, and anticancer properties. The review also documented anesthetic, insecticidal, and aphrodisiac activities.

PubMed

Research on individual TCM herbs is growing but still limited by Western clinical trial standards. These studies provide emerging evidence and should be considered alongside practitioner expertise.