Millettia
1、 Pharmacopoeia standard of Polygonatum sibiricum         This product is a dry flower stem like inflorescence of Eriocaulon buergerianum koern., a plant of the family seminiferous. Harvest in autumn, pull out the inflorescences and flower stems, and dry them in the sun.
        [character]   The head of this product is hemispherical in shape, with a diameter of 4-5mm. The bracts at the bottom are closely arranged layer by layer, the bracts are yellowish green, shiny, and the upper edge is densely covered with white short hairs; The top of inflorescence is gray white. . The flower stem is slender, with different lengths, less than 1mm in diameter, yellowish green, and several twisted edges. . The air is weak and the taste is light.
        [identification] (1) the powder of this product is yellow green. The glandular hair head is oval in length, with 1-4 cells. The apical cells are long, and the surface has fine reticular texture; Stalk single cell. Non glandular hairs are very long, 2-4 cells. The surface of seed coat epidermal cells is oblate and hexagonal, and umbrella shaped props are derived from the wall. . The pericarp cell surface was polygonal, and the pericarp wall was Rosary thickened. Pollen grains are round, with spiral germination pores.
        (2) Take 1g of this product powder, add 30ml of ethanol, sonicate for 30 minutes, filter, evaporate the filtrate, add 1ml of ethanol to dissolve the residue, and use it as the test solution. In addition, 1g of the control medicinal material of Polygonatum sibiricum was prepared into the control medicinal material solution by the same method. Test according to thin-layer chromatography (general rule 0502), suck 5 μ l of each of the above two solutions, dot them on the same silica gel G thin-layer plate respectively, use toluene acetone (10:0.6) as the developing agent, develop, take out, dry, and view under ultraviolet light (365nm). In the chromatogram of the test sample, the fluorescent main spot with the same color appears at the position corresponding to the chromatogram of the control medicinal material.
        Decoction pieces
        [processing]   Remove impurities and cut sections.
        [identification]   .
        [nature, taste and meridian tropism]   Xin, Gan, Ping. Return to liver and lung channels.
        ; Evacuate the wind and heat, clear the eyes and clear the clouds. .
        ; 5～10g。
        ; Place in a ventilated and dry place.


2、 Chemical constituents of Polygonatum sibiricum
This product contains glutenin.  

3、 Pharmacological effects of Polygonatum sibiricum
. The water extract of Polygonatum sibiricum is also effective against dermatophytes such as dermatophytes flocculus, dermatophytes laniformis, dermatophytes mentagrophytes, and dermatophytes Gypsy (double dilution method in test tube). Gujingcao (variety not identified) Decoction (100%) has strong effect on Pseudomonas aeruginosa, and the effective concentration is 1:320 (test tube method): it has weak effect on pneumococcus and Escherichia coli.