Physical and chemical identification
Physical and chemical identification
1. Take a small amount of the product, add a few drops of sulfuric acid to dissolve, show the yellow laurel color to red brown, and then drop the ammonia test solution to make
Alkaline, UV light (365nm) view, bright sky blue fluorescence. (Check umbelliferone)
2. Take a small amount of the product, add 0.5ml of hydrochloric acid, boil, light yellowish brown or pale purple, plus a small amount of phloroglucinol, the color is lighter, continue to boil and become purple brown. The above hydrolyzed dissolved ammonia solution is alkalinized, diluted with water, and still shows blue fluorescence. (check ferulic acid)
3. Take the block and cut it off. Add 1 drop of nitric acid on the fresh cut surface. Gradual change from grass green to yellow-brown.
4. Take coarse powder 0.2g, set 10ml, filtered. Take filtrate 0.2ml, set 50ml volumetric flask, add anhydrous alcohol diluted to the mark, shake, according to the "People's Republic of China Pharmacopoeia" 1995 version spectrophotometric determination, there should be a large amount of absorption at 323nm.
5. Take the product a little on a porcelain dish, observe under a UV lamp (365 nm), and show a slight blue fluorescence. Adding a few drops of nitric acid results in bright blue fluorescence.
Drug Application Identification
Both ferulae and frankincense are vegetable oil gum resins, and the odor is very bitter. However, the fierce gas is extremely stinky, partial to vent, used to detoxify the detoxification and accumulation of symptoms and maladies; fragrant scent is thin and fragrant, partial to supplement, push Chen Zhixin, grow muscle and grow meat, used for sore ulcers, muscles are not born, prolonged healing .
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