[Source] This product is the dried root of the Ranunculaceae plant Paeonia lactiflora Pall. Summer and autumn season excavation, wash, remove the head and tail
and fine roots, set the boiling water after cooking to remove the skin
or peeled and then cook, dried.
This product was cylindrical, straight or slightly curved, both ends of
the flat, long 5 ~ 18cm, diameter 1 ~ 2.5cm. Surface white or pale red brown, smooth or vertical wrinkles and fine root marks, occasional remnants of the brown skin. Quality
solid, easy to break, cross-section more flat, white or microstrip
brown red, the formation of ring ring obvious, radial radiation. Gas slightly, taste
Slightly bitter, sour.
[Identification] (1) This product powder yellow and white. There are many pieces of gelatinized starch. Calcium
oxalate cluster diameter of 11 ~ 35μm, exists in parenchyma cells,
often arranged in rows, or a cell containing several clusters. With the edge of the hole and reticulate catheter diameter of 20 ~ 65μm. Fiber long spindle, diameter 15 ~ 40μm, wall thickness, micro-wood, with a large round hole.
(2) take this product powder 5g, add ether 50ml, heated to reflux for 10 minutes, filtration. Take the filtrate 10ml, evaporated, add acetic anhydride 1ml and
sulfuric acid 4 to 5 drops, first significant yellow, gradually red,
purple, and finally green.
take this product powder 0.5g, add ethanol 10ml, shake 5 minutes,
filtration, the filtrate evaporated, the residue plus 1ml of ethanol to
dissolve, as the test solution. Another take paeoniflorin reference substance, add ethanol made 1ml per 1ml solution, as the reference solution. (40:
5: 10: 0.2) was prepared by thin-layer chromatography (Appendix Ⅵ B)
and 10 μl of each of the two solutions, respectively, on the same silica
gel G plate with chloroform-ethyl acetate-methanol- As the agent, start, remove, dry, spray with 5% vanillin sulfuric acid solution, heated to the spot color clear. For the test product chromatography, chromatography with the reference
substance in the corresponding position, was the same blue and purple
[Concocted] fried white peony root: take pure white Shaolu tablets, pot fried to slightly yellow.
white peony root: take pure white Shaolu tablets, spray with rice wine
evenly, a little run after the pot fried to slightly yellow. (10 pounds per 100 pounds of rice wine)
★ picture only for reference to the kind of delivery subject. Because the herbs are different from other commodities, each batch of goods fineness is not exactly the same, we can do is choose a good quality of delivery, this please rest assured!
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