Filicic acid

Aspidium falcatum Sw. (Syn. Dryopteris crassirhizoma) Guan Zhong (Wood fem) (whole plant) Filicic acid, tannins, essential oil.49 This herb is slightly toxic. Anthelmintic, hemostatic, antidote. 

Dryopteris crassirhizoma Nakai Guan Zhong (rhizome) Filmarone, filicic acid, diplotene, albaspididin, flavaspidin, femene, dryocrassin.33 Anthelmintic, an insecticide, antitumor. 

Dryopteris laeta (Kom.) Christ. D. filix-mas (L.) Schott. Mian Ma Guan Zhong (rhizome) Dryocrassin, filicic acid, filicin, paraaspidin, deaspidin, albaspidin, oleoresin, filmarone, flavaspidic acid, resin, diploptene.50-53-60 Anthelmintic to treat tapeworm, hemorrhage, hookworm, influenza. Externally treat leucoderma,... 

Pteris cretica L. P. ensiformis Burmann P. multifida Poir P vittata L. P. wallichiana Agardh. Feng Wei Cao (Brake) (whole plant) Starch, filicic acid, tannins.84 Treat arthritis, dysentery, diarrhea. 

Aspidium filixmas. Native plant of Europe. Extract of the root used to treat tapeworm 45 g extract said to be fatal for an adult, 7-10 g for a child. Active component filicic acid. Pain, heaviness of limbs, faintness, somnolence, dilated pupils, albuminuria, lockjaw, collapse. In animals dragging of legs, salivation, dyspnoea. Widespread oedema and congestion of lung, brain, liver, spleen. 

Aspidium. Male fern male shield-fern filix mas (B.P.). Rhizome and stipes of Dryopteris filix-mas (L.) Schott., Foiypodiaeeae. Habit. North America, Northern Asia. Europe. Northern Africa. Constit. Filicic and flav-aspidic acids, volatile oil, ashaspidin, filicin. filmaron. fiI Lx red, resin. It yields not less than 6.5% oleoresin (U.S.P.)... 

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