[Variety Source]
This product is the dried whole plant of Pteris multifida (Pteris multifida Poir.). It is distributed in all provinces in northern, central and southern my country. Harvested in summer and autumn. Wash. Dry.
[Property]
Bland and slightly bitter, cold. act on large intestine, liver and heart channels.
[Efficacy]
clearing heat and removing toxin, cooling blood and stopping bleeding, draining dampness and reducing swelling.
[Indications]
Used for jaundice, dysentery diarrhea, heat stranguria, red and white urine, leukorrhea, bloody stool, epistaxis, hemorrhoids, sore throat, tonsillitis mumps, carbuncle sore and ulcer.
[Usage and Dosage]
Take 10 to 15 grams decoction or 30 grams fresh.
[Modern Pharmacology]
The aerial part contains pterosin B, C, F, O, S, pterosin C-3-O-β-D-glucoside, 2β,15α-dihydroxy- Enanti-l6-kaur-ene (2β,15α-dihydroxy-ent-kaur-16-ene), 23,16α-dihydroxy-ent-kaurane (2b,16a-dihydroxy-ent-kaurane), creticoside A, B, wildcelery herb apigenin-7-O-β-D-glucoside, luteolin-7-O-glucoside - O-β-D-glucoside).