Herba Equiseti

HORSETAIL, Equiseti herba. The drug consists of the dried aerial part of the green sterile shoot of Equisetum arvense, (L.), family Equisetaceae. It contains organic sihca, potassium, saponin, flavonoids and traces of alkaloids. 

Equisetum telmateia 8,9 Equiseti herba (trade sample)... 

Equiseti herba (8,9) Trade samples are often mixtures of various Equisetum species. In the upper R, range sample 8 shows identical zones with E, arvense, but additional zones in the lower R, range similar to Equisetum species (6,3,4). Drug sample 9 is almost a 1 1 mixture of 1 and 3. 

Betulae folium and Verbasci fios, which contain saponins (betulin, verbascosaponin), with little or no hemolytic activity and Equiseti herba ( equisetonin ) are easily idem tilled on the basis of their flavonoid compounds the relevant chromatograms are reproduced in Chap. 7. 

Use The field H. t. ( arvense) is an officinal plant (Equiseti herba) and is used as tea or in tea mixtures or phytopharmaceuticals for bacteriuria and inflammations of the renal pelvis. The diuretic activity is attributed to flavonoids and saponins. Other activities reported are hemostatic, stabilizing effects in the early stages of tuberculosis through strengthening of pulmonary tissue, and external use as an astringent (additives in aftershaves and hair waters). The fresh... 

For retinitis, add Scapus Eriocaulonis Buergeriani (Gu Jing Cao), Herba Equiseti Hiemalis (Mu Zei Cao), Semen Cassiae Torae (Jue Ming Cao), and Semen Celosiae Argenteae (QingXiang Zi). 

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