Pay attention to the suitability of choosing ppe Pay attention to the suitability of choosing ppe .

Pay attention to the suitability of choosing ppe

Guzhe medicinal herbs identification

Herbal identification

Character identification

The fruit is slightly oblong and long-elliptic, with slightly pointed ends, 6-9 mm long and 3 mm wide. Hard outside, yellow surface, short hairs, 5 veins. The base has 2 pieces of white linear pulp, about 2mm long, light yellow, filmy, from the side of the paddle out of the light yellow curved primary root. Internal release film-like, smooth, yellow-white, with built-in fruit, firm, white cross-section, powdery. No gas, sweet taste.

Microscopic identification

Powder characteristics: yellowish white. 1 The endosperm cells contain starch granules. The single granules are irregularly polygonal. The edges are sharp. The diameter is 2-10 μm. Occasionally, concave umbilical points are present, the stratification is not obvious, and the multiple grains are composed of most single grains. shape. 2 Non-glandular single-celled hairs are visible on the lateral malleolus and are 150-250 μm long.

Physical and chemical identification

(l) Take 2g of this product powder, add 4ml of water and place it in a mortar, and let it stand still for a while. Draw the supernatant and filter it. The filtrate was spotted on a filter paper and sprayed with a pre-trike reagent in a supply box at about 100°C for 1 to 2 minutes to give a purple patch.

(2) Take the above water extract, spot on the filter paper, spray aniline monophthalic acid reagent, bake at 105 °C 5min, showing brown spots.


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