Large-leaf Gentian Root (Qinjiao)

Large-leaf Gentian Root (Qinjiao)

Pharmaceutical Name: Radix Gentianae Macrophyllae
Botanical Name: Gentiana macrophylla pall.
Gentiana crassicaulis Duthie ex Burkill
Gentiana dahurica Fisch.
Gentiana straminea Maxim.
Common Name:Large-leaf Gentian root
Source of Earliest Record: Shennong Bencao Jing
art Used & Method for Pharmaceutical Preparations: The roots are dug in spring or autumn. After the fibrous root bark has been removed, the roots are cleaned, dried in the sun and cut into slices .
Properties and Taste: Bitter, pungent and slightly cold
Meridian: Stomach, liver and gall bladder
Functions: To dispel wind and dampness
To clear heat caused by yin deficiency
Indications and Combinations: 1.     Wind-damp obstruction syndrome:

a) Pain with heat signs.
*Use with Tetrandra root (Fangji) and Honeysuckle stem (Rendongteng).

b) Pain with cold signs.

*Use with Notopterygium root (Qianghuo), Pubescent angelica root (Duhuo), Cinnamon twigs (Guizhi) and Prepared aconite root (Fuzi).

2.  Afternoon fever caused by deficient yin.
*Use with Sweet wormwood (Qinghao), Turtle shell (Biejia), Anemarrhena rhizome (Zhimu) and Wolfberry bark (Digupi) in the formula Qinjiao Biejia Tang.

3.   Damp-heat jaundice.
*Use with Oriental wormwood (Yinchenhao) and Capejasmine (Zhizi).
Dosage: 5-10 g
Cautions: This herb is contraindicated for a person with a weak constitution or in cases suffering from diarrhea.