Fried Astragalus membranaceus
1、 Pharmacopoeia standard of roasted Astragalus membranaceus       This product is a processed product of Astragalus membranaceus.
      .
      [properties] this product is a round or oval thick piece, with a diameter of 0.8 ~ 3.5cm and a thickness of 0.1 ~ 0.4cm. The outer skin is light brown yellow or light brown, slightly shiny, and longitudinal wrinkles or grooves can be seen. The cut skin is yellowish white, the wood is yellowish, with radial texture and cracks, and some centers are occasionally decayed, dark brown or hollow. It has honey aroma, sweet taste, slightly viscous, and slightly beany taste when chewing.
      [identification] according to the [identification] (2) and (3) tests under Astragalus membranaceus, the same results are shown.
      [inspection] the moisture content shall not exceed 10.0% (the second method of general rule 0832).
      Total ash   Not more than 4.0% (general rule 2302).
      [content determination] astragaloside IV   .
      According to the calculation of dry product, the content of astragaloside IV (c41h68o14) shall not be less than 0.030%.
      ; Take about 2G of this product powder (passing through No. 4 sieve), weigh it accurately, and determine it according to the method under Astragalus [content determination].
      According to the calculation of dry product, the content of calycosin isoflavone glucoside (c22h22o10) shall not be less than 0.020%.
      [nature, taste and meridian tropism] sweet, warm. Return to the lung and spleen meridians.
      [function and indications] replenish qi and tonify the middle. Used for Qi deficiency, fatigue, eating less and loose stool.
      [usage and dosage] 9 ～ 30g.
      [storage] store in a ventilated and dry place, damp proof and mothproof.


2、 Chemical constituents of roasted Astragalus membranaceus
1. containing flavonoidsCalycosin（calycosin）、 3-hydroxy-9,10-dimethoxy pterostane, also containingAstragaloside I、AstragalosideⅤ、AstragalosideⅢ（astragalosideⅠ、Ⅴ、Ⅲ） 。
2. the root of Astragalus membranaceus contains 2 ', 4' - dihydroxy-5,6-dimethoxyisoflavone, cholinebetaine（betaine）、 Amino acids, sucrose, glucuronic acid and trace folic acid.
3. Inner Mongolia astragalus root containsβ - sitosterol.

3、 Pharmacological effects of roasted Astragalus membranaceus
1. After the normal rats were fed with Astragalus powder for 1 week, their oxygen consumption was gradually increased compared with that before taking the medicine.
2. It can strengthen normal heart contraction and has a cardiotonic effect on the failing heart.
3. This product can dilate the tubular blood vessels and renal blood vessels, and make the peripheral blood vessels of the whole body dilate, the skin circulation is smooth, and the blood pressure of hypertensive patients is reduced.
4. The experimenter conducted a diuretic test on himself and proved that Astragalus membranaceus has moderate diuretic effect.
5. Astragalus membranaceus was ground into powder and fed to rats for 3 days, which could inhibit experimental nephritis.
6. .
7. Oral administration of Astragalus membranaceus in rabbits can significantly reduce blood glucose.
8. It has excitatory and contractile effects on isolated rat uterus.
9. Bacteriostatic test: This product can inhibit Shigella dysentery, anthrax, Hemolytic Streptococcus A, hemolytic streptococcus B, diphtheria, pseudodiphtheria, pneumococcus, Staphylococcus aureus, Staphylococcus citri, Bacillus subtilis, etc. in vitro.