CHINESE FOOD

Origin
Common Yam Rhizome is the dried rhizome of Dioscorea opposita Thunb.

Description and Identification
Subcylindrical,curved or somewhat flattened, 15 ~ 30cm long, 1.5 ~ 6cm in diameter. Externally yellowish-white or pale yellow, longitudinally furrowed and wrinkled, and bearing fibrous root scars, with occasional patches of brownish cork. Texture heavy, compact and tough; uneasily broken, fracture white and starchy. Odourless; taste, weak, acidulous, and viscous when chewed.Guang Shanyao cylindrical , the two ends even, 9 ~ 18cm long, 1.5 ~ 3cm in diameter. Externally smooth, white or yellowish-white.

Chemical Ingredients
Its tuber has saponin, mucilage, choline, amylum, glycoprotein and 16 kinds of amino acid.

Property and Channel Tropism
Property: sweet in taste, neutral in nature. Channel tropism: spleen, lung, kidney.

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Origin
Black sesame is the dried ripe seed of Sesamum indicum L.The plant is collected in autumn when the fruit is ripe, dried in the sun. The drug is gathered, removed from foreign matter, and dried in the sun.

Description and Identification
Flattened-ovoid, about 3mm long, and 2mm wide. Externally black,smooth or reticulately wrinkled. A dotted brown raphe at the apex. Testa thin,cotyledons 2,white,oily. Odour weak; taste sweet, slightly oily,aromatic.

Chemical Ingredients
It mosdy has fattiness oil, including oleic acid, linoleic acid, palmitic acid, and stearic acid. In addition, it also has pedaliin, protein, lecithin, etc.

Property and Channel Tropism
Property: sweet in taste; neutral in nature.
Channel tropism: liver,kidney,large intestine.

Action and Indications
To tonify the liver and the kidney, to replenish vital essence and blood, and to relax the bowels. Dizziness, blurred vision, tinnitus, impaired hearing, premature greying of the hair and beard; loss of hair after a serious disease; constipation.

Place of Production
It is produced in Shangdong, Henan, Hubei, Sichuan, Anhui, Jiangxi, Hebei, etc.

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