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).
|Cautions:||This herb is contraindicated for a person with a weak constitution or in cases suffering from diarrhea.|