Identification [Microscopic identification] 1. Perrin (1) Leaf surface view The peritudinal wall of the epidermis is slightly curved. Occasionally, there are many non-glandular glandular hairs. The non-glandular hairs on the veins are longer and consist of 7 to 8 cells with a length of 120 to 160 μm and a base diameter of 16 to 20 μm. The stomata are indeterminate. The pericentral wall of the lower epidermis is wavy and curved. There are more non-glandular hairs than the upper surface, often consisting of 3 to 6 cells, 60 to 105 μm long, 14 to 16 μm in base diameter, and some cells often contain light brown substances; many stomata, infinitives . (2) Stem surface view The epidermal cells are rectangular or polygonal, and the multicellular non-glandular hairs are the same as the non-glandular hairs on the veins. 2. Pelican (1) Leaf surface view The pericentral wall of the epidermis cells was slightly flat and the pericentral wall of the lower epidermal cells was wavy and curved. There are more glandular hairs and non-glandular hairs. The glandular hairs are composed of 4 cells with a diameter of 36-80μm. The non-glandular hairs are composed of 3-6 cells (~10) and are 220-400 (-520) long. Μm, the base diameter of 20 ~ 75μm, the surface appears pod-like protrusions, sometimes the central cell contracture, the lower surface of the vein more non-glandular hair. (2) Stem surface view Epidermal cells are rectangular or polygonal, with many glandular hairs and similar in shape to glandular hairs on the leaves. Non-glandular hairs consist of 5-7 (~11) cells, 200-400 (~600) μm long, 30-70 μm in base diameter, and verrucous protrusions on the outer wall. Physical and chemical identification Physical and chemical identification of thin-layer chromatography: take the product of coarse powder 100g, volatile oil in the determination of the distillation apparatus to obtain crude volatile oil, and then extracted with ether, anhydrous sodium sulfate dehydration, recovery of ether, take the hair oil obtained 0.1ml deeper than the oil Ether 1ml, as a test product. Another pair of cyanidins was used as a reference substance. They were spotted on silica gel G-CMC plates, spread in hexane, and dried. In the UV lamp (365 nm), the spots were all rose. With 10% phosphomolybdic acid ethanol spray, spots were blue.
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