500g, Chen Pi, PERICARPIUM CITRI RETICULATAE, Tcm Herbal

Medicinal name: dried tangerine peel
Pinyin: Chén Pí
English name: PERICARPIUM CITRI RETICULATAE
Alias: orange peel
Source This product is Rutaceae plant Citrus reticulata Blanco and its cultivated varieties of dry ripe peel. Herbs are divided into "tangerine peel" and "wide tangerine peel". Pick ripe fruit, peel peel, dry or low temperature dry.
Traits dried tangerine peel: often stripped into the number of petals, base connected, and some were irregular sheet, thick 1 ~ 4mm. The outer surface of orange red or reddish brown, with fine wrinkles and concave point of the oil room; inner surface of light yellow and white, rough, with yellowish white or yellow brown ribbed vascular bundles. Quality slightly hard and brittle. Gas fragrance, spicy, bitter
Guang Chen skin: often 3 petals connected, neat shape, uniform thickness, about 1mm. Point-like oil room larger, light, transparent and clear. Quality is softer.
Identification ：
(1) This product powder yellow white to yellow brown. In the peel of many tissues, irregular cell shape, uneven wall thickening, and some for the beads-like. Peel epidermal cells on the surface of polygonal, square or rectangular, vertical wall thickening, stomatal round, diameter 18 ~ 26μm, deputy guard cells are not clear; side view outside the stratum corneum, by the radial wall thickening The Calcium oxalate crystal tablets exist in the mesocarp parenchyma cells, was polygonal, diamond or double cone, diameter 3 ~ 34μm, 5 ~ 53μm long, and some cells containing two polyhedrons composed of parallel twin or 3 ~ 5 square crystal. Hesperidin crystals are mostly found in parenchyma cells, yellow or colorless, round or amorphous agglomerates, and some visible radial stripes. Thread, porosity and reticulate catheter and trachea smaller.
(2) take this product powder 0.3g, add methanol 10ml, heated reflux 20 minutes, filtration, take filtrate 5ml, concentrated to about 1ml, as the test solution. Another hesperidin reference substance, add methanol to make saturated solution, as the reference solution. According to the thin layer chromatography (Appendix Ⅵ B) test, learn the two solutions of the 2μl, respectively, in the same 0.5% sodium hydroxide solution prepared on the silica gel G plate, ethyl acetate - methanol - water (100 : 20: 10: 1: 1) as the developing agent, spread to about 8cm, and then spread out, dried, and then toluene - ethyl acetate - formic acid - water (20: 10: 1: 1) Remove, dry, sprayed with aluminum trichloride test solution, set the UV light (365nm) under the view. Test products for chromatography, chromatography with the reference substance corresponding to the location, was the same color of fluorescent spots.
Concocted to remove impurities, spray water, run through, shredded, dried.
Taste: bitter, symplectic, warm
Meridian: go to the lung, the spleen.
Indications: qi spleen, dampness phlegm. For chest fullness, eat less vomiting and diarrhea, cough, phlegm and more.
Dosage: 3 ~ 9g.
Storage: cool and dry place, mildew, mothproof.
Excerpt: "Chinese Pharmacopoeia"

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