China lighter production machine, lighter automation equipment, lighter assembly machine, lighter automatic inflator, lighter automatic lighter, lighter parts assembly machine, lighter accessories manufacturer Lighter automation equipment,Lighter Assembly Machine,Lighter Automatic Inflator,Lighter automatic production line,Lighter Parts Assembly Machine GuangDong Feituo Automation Technology Co., Ltd. , https://www.feetoolighter.com
Research Reagents-Duohuo Biochemical Reagents
Duhu [Pinyin name] Dú Huó [English name] RADIX ANGELICAE PUBESCENTIS [Alias] Xiang Duhuo, Meat Duhuo, Chuan Duhuo, Ziqiu Duhu [Source] This product is Umbelliferae plant heavy tooth hair Angelica pubescens Maxim. F. Dry roots of Shan et Yuan. When the seedlings have just sprouted in early spring or the stems and leaves have withered in late autumn, remove the fibrous roots and silt, bake until semi-dry, stack for 2 to 3 days, and bake until completely dry. ã€Properties】 The root of this product is slightly cylindrical, with 2 to 3 branches or more in the lower part, and 10 to 30 cm in length. The root head is swollen, conical, with multiple horizontal wrinkles, 1.5 to 3 cm in diameter, with stem or leaf residues or depressions at the top, and the surface is gray-brown or tan, with vertical wrinkles, with raised horizontal long pores and a little Protruding thin root marks. The quality is hard, but it becomes soft when wet. The skin of the cross section is off-white. There are mostly scattered brown oil chambers. The wood is grayish yellow to yellowish brown, forming a layer of brown. It has a special aroma, bitterness and slight tongue. [Identification] (1) Cross section of this product: sequence of cork cells. The cortex is narrow and there are a few oil chambers. The phloem is broad, accounting for about 1/2 of the root; there are many oil chambers, arranged in several rounds, tangentially to 153 μm, and 6 to 10 secretory cells around. The layers form a ring. Xylem rays are 1 to 2 columns wide; ducts are scarce, with a diameter of about 84 μm, and are usually arranged in a single radial direction. Parenchyma cells contain starch granules. (2) Take 2g of this product powder, add 10ml of diethyl ether, immerse it overnight, filter, evaporate the filtrate, and add 2ml of chloroform to the residue to dissolve it as the test solution. Another 2g of the only active control medicinal material was prepared into a control medicinal solution in the same way. 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 n-hexane-benzene-ethyl acetate (2: 1: 1) as the developing agent , Unfold, remove, dry, and inspect under ultraviolet light (365nm). In the chromatogram of the test product, the fluorescent spots of the same color are displayed on the corresponding position of the chromatogram of the control medicinal material. ã€Processing】 Remove impurities, wash, moisten, cut thin slices, dry in the sun or dry at low temperature. ã€Sexual flavor】 Spicy, bitter, slightly warm. ã€Missing】 Return to the kidney and bladder. ã€Functions】 Qufeng and dampness, Tongbi analgesia. It is used for wind, cold, dampness, waist and knee pain, and less headache. ã€Usage and dosage】 3 ～ 9g. [Storage] Store in a dry place, prevent mildew and moth. ã€Remarks】 （1） Qufeng Shengshi, Tongbi analgesia, all kinds of wind, cold and dampness, joint pain, no matter how long it is, it can be used, especially for lower pain, lower back and knee pain, bipedal atrophy, flexion and extension Symptoms are appropriate, often used with mulberry parasite, Gentiana macrophylla, Achyranthes bidentata. It is used for wind-cold testimony, and has both wet evil spirits and is often used with Qiang Huo.