The medicinal material identification of citron
Herbal identification Character identification 1, arrested for round or oblong piece, diameter 3-10cm, thickness of about 2-5mm. The edge of the cross-section was slightly wavy, with yellow-green or light orange-yellow outer skin, with scattered oil spots. The mesocarp was 1.5-3.5 cm thick, yellowish-white, coarse and irregularly reticular (vascular bundle). Hernia sac 11-16 flap, sometimes visible red-brown wrinkled residual juice; seeds 1-2. The median axis is clear, up to 1.2cm wide. Flexible. Gas fragrance, slightly sweet and bitter. It is better to use yellow, white and thick fragrance. 2, Xiang round ball-like or round sheet, diameter 4-7cm. The surface is gray-green or yellowish-brown, and it is coarse, with small oil spots in the depressions, and stylised marks and circle-shaped rings on the top. It is commonly known as the "money ring" and the base has stalk marks. The quality is hard, the oil point is obvious at the edge of the cross-section, the mesocarp is about 0.5cm thick, the hernia sac 9-12 petal, brown or light brown, with yellow-white seeds. Gas incense, sour and bitter. To a large, thick skin, dark green color, aroma is better. Microscopic identification Pericarp cross-section: The epidermis has 1 row of cells and is exfoliated with stratum corneum. The mesocarp cells are round and loosely arranged, with large oil chambers on the outside arranged in 1-2 rows. The oil cells are oblong, with a radial length of 450-1060 μm and a tangential length of 130-650 μm. Vascular beam spreads vertically and horizontally. Calcium oxalate square crystals grow to 17 μm. Powder characteristics: 1, light green 1 Epidermal cells are square or polygonal in shape, with a round stomata, a diameter of approximately 22 μm, and 5-6-9 paracrine cells. 2 The mesocarp cells are round and 6-18 μm thick (without heating measurement). 3 The epithelial cells of the hernia sac are rectangular and slightly thicker. 3 Calcium oxalate crystals are easy to see, 8-17 μm. 4 Thread or textured catheter diameter 8-20μm. 5 oil room debris visible. 2, fragrant round brown. 1 Epidermal cells are polygonal or irregularly rectangular, 6-16 μm long and have a thin wall. The stomatal diameter is 20-27 μm and 5-8 auxiliary cells. 2 The thickness of the mesocarp cells is 3-10 μm. 3 calcium oxalate crystals 6-28μm long. 4 The main thread is a thread or a hole. 5 The oil chambers are of large size, with a radial length of 360-1170 μm and a tangential length of 195-520 μm. Crustaceans Series,Frozen Aquatic Product,Frozen Crustaceans Series,Frozen Cooked Mussel Meat Zhejiang Zhoushan Jiaze Aquatic Co., Ltd. , https://www.tianjia-aquatics.com