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. |