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Bupleurum

SCIENTIFIC NAME(S):Bupleurum chinense DC., related species include B. falcatum L., B. scononeraefolium, B. fruticosum L., B. ginghausenii, B. rotundifolium L., B. stewartianum. Family: Umbelliferae.

COMMON NAME(S): Thoroughwax, hare's ear root, chai hu (Chinese)

Bupleurum is also known as Hare's Ear. Bupleurum Root is one of the most important herbs used in Chinese herbalism. The Chinese name for Bupleurum, chai hu , means "kindling of the barbarians". The part of this plant used medicinally is the root, which is dug up in Spring or Autumn, dried in the sun, and then cut into short pieces

History

Bupleurum is a traditional Chinese herb dating back to the first century bc. It is one of China's "harmony" herbs purported to effect organs and energy in the body. Bupleurum has been used as a liver tonic,with spleen and stomach toning properties as well. The plant has also been said to clear fevers and flu, promote perspiration, and alleviate female problems.

Botany :- Bupleurum is a perennial herb that grows mainly in China, but also is cultivated in other areas. The plant grows to approximately 1 m in height and requires plenty of sun to flourish. The leaves are long and sickle shaped with parallel veining. Terminal clusters of small, yellow flowers appear in autumn.

Uses of Bupleurum

Bupleurum has been found beneficial as a liver protectant and possesses positive effects on the immune system, including treatment for cold and flu, inflammatory disorders, and certain cancers. It is also useful in gastrointestinal ailments, certain brain disorders, and for gynecological problems

Side Effects of Bupleurum

Bupleurum has caused sedative effects in some patients, along with increased flatulence and bowel movements in large doses. Some combinations with bupleurum may have certain undesirable effects such as induction of pneumonitis, or nausea and reflux in sensitive patients.

Bupleurum should not be used by those with depleted fluids, those with liver yang rising, those with extreme headaches, or those with such eye diseases as conjunctivitis.

Dosage

Generally 500-2,000 mg bupleurum dry root are taken three times daily in capsules. 20 Traditionally, and in some clinical studies, bupleurum was prepared as a tea in which the root is decocted or cooked for hours before use. Some people take 1-4 grams per cup of water, three times daily. Sho-saiko-to formula is typically given in capsules (1.8-2.5 grams) three times per day. The amount given to children should be proportionally reduced based on individual weight and height as compared to adults.

Toxicology

Bupleurum has produced sedative effects in some patients, along with increased flatulence and bowel movements in large doses. Some combinations with bupleurum may have certain undesirable effects such as induction of pneumonitis, or nausea and reflux in sensitive patients. Some reports are unclear as to whether or not the ill effects are due specifically to bupleurum.

CAUTION: DO NOT USE Bupleurum longiradiatum. IT IS POISONOUS.

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