Longipu [Pinyin name] Bì Bá [English name] FRUCTUS PIPERIS LONGI [Alias] Long plucking, rat tail [Source] This product is the dried near-ripe or mature ear of Piper longum L. Harvest the ears from green to black, remove impurities, and dry. ã€Properties】 This product is cylindrical and slightly curved. It is composed of most small berries. It is 1.5 to 3.5 cm long and 0.3 to 0.5 cm in diameter. The surface is dark brown or brown, with small protrusions arranged obliquely, and the pedicel on the base remains or falls off. It is hard and brittle, easy to break, irregular in cross-section, and granular. Small berries are spherical and about 0.1 cm in diameter. It has a special aroma and a spicy taste. [Identification] (1) The powder of this product is grayish brown. Stone cells are round, long oval or polygonal, with a diameter of 25-61μm and a length of 170μm. The wall is thick and some striations are obvious. The oil cells are round and have a diameter of 25-66 μm. The seed coat cells are reddish-brown, long polygonal, thickened with beads on the wall. Starch grains are small and often aggregate into clumps. (2) Take a small amount of the powder of this product, add 1 drop of sulfuric acid, it shows bright red, gradually reddish brown, and then turn brown. (3) Take 0.8g of this product powder, add 5ml of absolute ethanol, sonicate for 30 minutes, filter, and use the filtrate as the test solution. Another piperine reference substance, placed in a brown measuring bottle, add absolute ethanol to make a solution containing 4mg per 1ml, as a reference solution. According to the thin layer chromatography (Appendix VI B) test, draw 2 μl of each of the above two solutions, respectively, and spot them on the same silica gel G thin layer plate, using benzene-ethyl acetate-acetone (7: 2: 1) as the developing agent, Unfold, remove, dry, and inspect under ultraviolet light (365nm). In the chromatogram of the test product, at the corresponding position of the chromatogram of the reference substance, the same blue fluorescent spot was shown; sprayed with 10% sulfuric acid and ethanol solution, and heated to the spot to show a clear color. At the corresponding position, the same brown-yellow spots appeared. ã€Processing】 Remove impurities. Mash up in time. [Sexual flavor] Xin, hot. ã€Missing】 Return to the stomach and large intestine. [Function indication] Wenzhong disperses cold, relieves pain and relieves pain. For abdominal pain, vomiting, diarrhea, migraine; external treatment of toothache. ã€Usage and dosage】 1.5 ～ 3g. Appropriate amount for external use, at the end of the caries. [Storage] Store in a cool dry place to prevent moth.
Spring Series
Compression Spring Enlarged End,Compression Spring Cylindrical,Tension Spring,Torsion Spring
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