May chang (Litsea cubeba)
Litsea cubeba
Chinese Herbalism
Chinese Herbalism

May chang

Litsea cubeba

Also known as mountain pepper, aromatic litsea, cubeb litsea, Chinese cubeb, mountain spicy tree, bi cheng qie (fruit), shan cang zi (fruit), bì chéng qié, shān cāng zǐ, shān jī jiāo.

WarmingDryingTaste: PungentTaste: Aromatic

Litsea cubeba is a small aromatic tree of the laurel family, common on hillsides and forest margins from southern China through Taiwan, Indochina, and the eastern Himalaya. Its small peppercorn-like fruits smell strongly of lemon and yield may chang oil, one of the world's main natural sources of citral. In Chinese medicine the dried fruit is bi cheng qie, a warm pungent herb for cold pain in the stomach and lower abdomen, and the root, dou chi jiang, is a folk remedy for rheumatism. The name bi cheng qie originally belonged to cubeb pepper; Litsea is the accepted source in China today.

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Actions

CarminativeAntispasmodicAntiemeticAnalgesicAntimicrobial (essential oil)Antifungal (essential oil)Anti-inflammatoryAntioxidantInsect repellent (essential oil)

Indications what the tradition reached for it in

Specific indications

Dull cold epigastric pain with nausea and hiccup that improves with a hot drink and a warm hand on the abdomen, in a patient with a pale wet tongue

Cold, dragging testicular or groin pain with cloudy urine, where the lower burner needs warming rather than clearing

Safety

The record lists 7 contraindications; open the plate in the library to read them in full.

In practice

Bi cheng qie is a small-dose warming herb in the same family of uses as evodia, clove, and lesser galangal. It shines for cold Stomach pain with nausea, hiccup, or belching: 1 to 3 g decocted with ginger, lesser galangal, and aucklandia, or ground and taken in capsules.

In Chinese medicine

Temperature: warm. Taste: acrid. Channels: Spleen, Stomach, Kidney, Bladder. Actions: Warms the middle burner and relieves cold pain in the stomach and abdomen; Moves qi downward to stop vomiting, hiccup, and belching from Stomach cold; Warms the Kidney and Bladder to relieve cold hernia pain and cloudy, difficult urination; Root: dispels wind-damp and cold from the joints and eases pain from injury.

Dosing as the sources wrote it

PreparationAs writtenMetric
Decoction (fruit, added late)1-3 g dried fruit daily in decoction1000-3000 mg
Powder or capsules (fruit)0.5-1 g dried fruit powder two to three times daily500-1000 mg
Decoction (root, dou chi jiang)15-30 g dried root daily in decoction15000-30000 mg
Essential oil, topical1 percent or less in a carrier oil applied to affected skin once or twice daily

Doses are reproduced from the sources for practitioners and are not a recommendation for any person.

From the sources

Overview. Litsea cubeba is a small aromatic tree of the laurel family, common on hillsides and forest margins from southern China through Taiwan, Indochina, and the eastern Himalaya. Its small peppercorn-like fruits smell strongly of lemon and yield may chang oil, one of the world's main natural sources of citral. In Chinese medicine the dried fruit is bi cheng qie, a warm pungent herb for cold pain in the stomach and lower abdomen, and the root, dou chi jiang, is a folk remedy for rheumatism. The name bi cheng qie originally belonged to cubeb pepper; Litsea is the accepted source in China today.

Clinical Notes. Bi cheng qie is a small-dose warming herb in the same family of uses as evodia, clove, and lesser galangal. It shines for cold Stomach pain with nausea, hiccup, or belching: 1 to 3 g decocted with ginger, lesser galangal, and aucklandia, or ground and taken in capsules.

Chinese Medicine Profile. Temperature: warm. Taste: acrid. Channels: Spleen, Stomach, Kidney, Bladder. Actions: Warms the middle burner and relieves cold pain in the stomach and abdomen; Moves qi downward to stop vomiting, hiccup, and belching from Stomach cold; Warms the Kidney and Bladder to relieve cold hernia pain and cloudy, difficult urination; Root: dispels wind-damp and cold from the joints and eases pain from injury.

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