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

Part 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