1、
This product is the dried receptacle of Nelumbo nucifera gaertn. The fruits are harvested when they are ripe in autumn, removed and dried in the sun.
. There are many round holes on the top and pedicel residues at the base. The texture is loose, and the broken surface is spongy, brown. The breath is slight and the taste is slightly astringent.
[identification] (1) the powder of this product is yellowish brown. The surface of epidermal cells was polygonal, and the papillary processes were double circles. Calcium oxalate cluster crystals are common, with a diameter of 10 ～ 54 μ M. . The diameter of threaded conduit and annular conduit is 8-80 μ M. The fibers are in bundles, 11-35 μ m in diameter, with striated pores.
(2) Take 0.5g of this product powder, add 5ml of ethanol, soak in warm water for several minutes, filter, add a small amount of magnesium powder and hydrochloric acid to the filtrate, and the solution gradually turns red.
[inspection] the moisture content shall not exceed 14.0% (the second method of general rule 0832).
The total ash content shall not exceed 7.0% (general rule 2302).
Decoction pieces
[processing] remove the lotus pod charcoal, cut it into pieces, and make charcoal according to the charcoal calcination method (general rule 0213).
[nature, taste and meridian tropism] bitter, astringent and warm. .
[function and indications] remove blood stasis and stop bleeding. For metrorrhagia, urinary blood, hemorrhoids bleeding, postpartum stasis, lochia endless.
[usage and dosage] 5 ～ 10g.
[storage] keep dry and damp proof.

2、 Chemical constituents of lotus seedpod

Lotus pod containsHyperin, quercetin diglucoside and a small amount of Liensinine, etc. In addition, it also contains alkaline water, carbohydrate, fat, protein, carotene, niacin, vitamins B1, B2, and C,quercetin 。

3、 Pharmacological action of lotus seed pod