Schisandra Extract

Product name Schisandra Extract Powder

Quality data

Schisandra Extract Powder

Botanical Names

Schisandra chinensis (Turcz.) Baillon

Common Names

Schisandra , schizandra , gomishi , hoku-gomishi , kita-gomishi (Japanese), wu-wei-zu (5 taste fruit), ji-chu or hoy tsi (Chinese), omiza (Korean), Maximowich's red grape , Limonnik (Russian)

History

Schisandra is one of the many traditional Chinese herbs recommended for coughs and various nonspecific pulmonary diseases. It has been studied extensively in Chinese and Japanese literature. Schisandra has been used for healing purposes for over 2,000 years. It is often used as an ethanolic tincture. The Chinese name for the plant, wu-wei-zu, means “5 taste fruit” and is associated with sweet, sour, bitter, astringent, and salty flavors. Salty and sour tastes were believed to have effects on the liver and testicles, while the bitter and astringent properties were beneficial to the heart and lungs. The sweet component had effects on the stomach.

Traditional Use

A classical treatise on Chinese herbal medicine, Shen Nung Pen Tsao Ching, describes schisandra as a high-grade herbal drug useful for a wide variety of medical conditions—especially as a kidney tonic and lung astringent. In addition, other textbooks on Traditional Chinese Medicine note that schisandra is useful for coughs, night sweats, insomnia, thirst, and physical exhaustion. Adaptogenic herbs, like schisandra, have been used in Traditional Chinese Medicine to improve the ability of the body to respond to stress.

Schisandra has been used as a tonic and restorative, as well as for liver protection, nervous system effects, respiratory treatment, and GI therapy. However, there are limited clinical trials to support these uses.

Active Constituents

The major constituents in schisandra are lignans (schizandrin, deoxyschizandrin, gomisins, and pregomisin) found in the seeds of the fruit. Modern Chinese research suggests these lignans have a protective effect on the liver and an immunomodulating effect. Two human trials completed in China (one double-blind and the other preliminary) have shown that schisandra may help people with chronic viral hepatitis. Schisandra lignans appear to protect the liver by activating the enzymes in liver cells that produce glutathione, an important antioxidantsubstance.

Schisandra fruit may also have an adaptogenic action, much like the herb Asian ginseng, but with weaker effects. Laboratory work suggests that schisandra may improve work performance, build strength, and help to reduce fatigue.

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