Macrostem Onion (Xiebai)

Macrostem Onion (Xiebai)

Pharmaceutical Name: Bulbus Allii macrostemi
Botanical Name: Allium macrostemon Bge.
Common Name:Macrostem Onion, Bakeri, Bulb of Chinese Chive
Source of Earliest Record: Shennong Bencao Jing
art Used & Method for Pharmaceutical Preparations: The Macrostem, or bulb, of the onion is dug in May, cleaned and dried in the sun.
Properties and Taste: Pungent, bitter and warm
Meridian: Lung, stomach, and large intestine
Functions: To promote the flow of yang and dissipate cold phlegm; 2. To regulate qi and reduce stagnation
Indications and Combinations: 1.     Cold phlegm stagnated in the chest manifested as stifling sensation and pain in the chest and dyspnea.
*Use with Trichosanthes fruit (Gualou) in the formula Gualou Xiebai Baijiu Tang.

2.  Dysentery manifested as tenesmus.
*Use with Immature bitter orange (Zhishi), Costus root (Muxiang) and White peony root (Baishao).
Dosage: 5-10 g