-
Categories
-
Pharmaceutical Intermediates
-
Active Pharmaceutical Ingredients
-
Food Additives
- Industrial Coatings
- Agrochemicals
- Dyes and Pigments
- Surfactant
- Flavors and Fragrances
- Chemical Reagents
- Catalyst and Auxiliary
- Natural Products
- Inorganic Chemistry
-
Organic Chemistry
-
Biochemical Engineering
- Analytical Chemistry
- Cosmetic Ingredient
-
Pharmaceutical Intermediates
Promotion
ECHEMI Mall
Wholesale
Weekly Price
Exhibition
News
-
Trade Service
Identification of Hawthorn in Dashanzha Pills
[Prescription] Hawthorn 1000g Liu Shenqu (fried with bran) 150g Stir-fried malt 150g
[Identification] Take 9g of this product, cut into pieces, add 40ml of ethanol, heat to reflux for 10 minutes, filter, evaporate the filtrate to dryness, add 10ml of water to the residue, heat to dissolve, extract with 15ml of n-butanol, shake and extract, divide the n-butanol solution , Evaporate to dryness, add 5ml methanol to the residue to dissolve and filter
Note: Hawthorn is the dry mature fruit of Crataegus pinnati fida fida Bge.
Identification of Red Ginseng in Yangxin Dingxi Cream
[Prescription] Dihuang 120g Ophiopogon 60g Red Ginseng 20g Jujube 60g Ejiao 20g Black Sesame 50g Cinnamon Twig 30g Ginger 30g Roasted Licorice 40g
[Identification] ①Take 10ml of this product, add 10ml of water, shake well, saturate with sodium chloride , extract with 15ml of ether, divide the ether solution, place in a white porcelain dish, evaporate to dryness, add 0.
②Take 10ml of this product, add 5ml of water, shake well, add 10ml of n-butanol , shake, divide the n-butanol solution, place it on a water bath and evaporate to dryness, add 1ml of chloroform to the residue to dissolve it, move it to the test tube, and move it along the tube Add 0.
(3) Color reaction of coumarin compounds
Identification of Sandalwood in Shiwuwei Chenxiang Pills
This strain is a Tibetan proven prescription
[Prescription] Agarwood 100g Tibetan woody 150g Sandalwood 50g Red sandalwood 150g Safflower 100g Nutmeg 25g Alpine horseradish vegetable 150g Raspberry stem (peeled, heart) 200g
【Identification】Take an appropriate amount of this product, grind it finely, take 0.
Sandalwood is the dry heartwood of the trunk of Santalum album L.