Phyllostachys pubescens
1、 Pharmacopoeia standard of Nelumbo nucifera       This product is a traditional Tibetan medicine. It is the dried and mature fruit of sinopodo Phyllum hexandrum (Royle) Ying, a berberine plant. The fruits are picked when they are ripe in autumn, removed impurities, and dried.
      . The top is slightly pointed, and the fruit stem is yellowish brown, and it falls off more. The peel and pulp are adhered into thin sheets, fragile, and contain most seeds. The seeds are nearly ovoid, about 4mm long; the surface is reddish purple, with fine wrinkles, and there are small protrusions at one end; Hard quality; The seed kernel is white and oily. It has slight air, sour, sweet and astringent taste; The seed tastes bitter.
      [identification] (1) the powder of this product is dark red. The seed coat epidermal cells are orange red to dark red, rectangular or quasi square in cross section, with thick wall, and often connected with the seed coat parenchyma cells. The epidermal cells of pericarp are pale yellow, polygonal in appearance, and 10-40 μ m in diameter. The cells of the lower peel are yellowish brown, and the surface is polygonal, with a diameter of 20-70 μ M. The main conduit is threaded conduit. .
      (2) Take 5g of this product powder, add 10ml of methanol, sonicate for 20 minutes, filter, evaporate the filtrate, add 2ml of methanol to dissolve the residue, and use it as the test solution. Take the podophyllotoxin reference substance and add methanol to make a solution containing 0.5mg per 1ml as the reference substance solution. According to the test of thin-layer chromatography (general rule 0502), suck 4 μ ml of each of the above two solutions, dot them on the same silica gel G thin-layer plate, use the upper solution of cyclohexane water saturated n-butanol-formic acid (6.5:2.5:0.8) as the developing agent, develop, take out, dry, spray 1% vanillin sulphuric acid solution, heat until the spots are clear. In the chromatogram of the test sample, spots with the same color appear at the corresponding position of the chromatogram of the control sample.
      [inspection] the moisture content shall not exceed 11.0% (the second method of general rule 0832).
      The total ash content shall not exceed 6.0% (general rule 2302).
      [nature and taste] sweet and flat; .
      [functions and indications] regulating menstruation and activating blood circulation. It is used for blood stasis, amenorrhea, dystocia, stillbirth and placenta retention.
      [usage and dosage] 3 ～ 9g, take duoru pill powder.
      [storage] put it in a dry place.


2、 Chemical constituents of Nelumbo nucifera
. Lignans are mainlyPodophyllotoxin, flavonoids are mainlyquercetin andKaempferolEt al. The pharmacological test results showed that the content ofPodophyllotoxinIt has anticancer effect, anti herpes simplex virus, immunosuppression, anti fertility and other effects, but it is more toxic. The flavone part is less toxic and has antitussive, antiasthmatic, expectorant and bacteriostatic effects.

3、 Pharmacological effects of Nelumbo nucifera
Regulate menstruation and promote blood circulation. It is a blood activating and menstrual regulating drug under the classification of blood activating and stasis removing drugs