Physical properties
As one of China's main food grains, dried pods and caryopsis are oblong, with their ends slightly pointed. About 7mm long, diameter by 2.6mm. The surface is yellowish white and shrunken. There is fashion with a non-descended outsider. There is a deep longitudinal groove in the ventral surface, with a blunt tip, with light yellow-brown pilose, and a slanted tip at the other, with an umbilicus. Hard and brittle, easy to break, cross-section white. Odorless, tasteless.
It is better to use uniform, light and no impurities.
Microstructure
Caryopsis cross-section: Pericarp and seed coat healing. Pericarp epidermis cells 1 row, thicker wall, even the peripheral wall; skin cells in the middle layer, the wall thick; 1 row of horizontal cells, and the skin epidermis and the middle cell vertical staggered, pitted; sometimes visible in the transverse layer 4 thin tubes. The seed coat is brown-yellow, and the cells decay and shrunk. The inside of the heart is the remnant of the heart. The cells are square in shape and the layered texture is faintly visible. The innermost endosperm is the aleurone layer, and the rest is starch-rich parenchyma cells.
Chemical properties
Thin layer angle spectrum: Take 0.1g of this product fine powder, add 70% ethanol 1ml, cold soak overnight, the supernatant for spotting. And fructose, sucrose, cotton seed solution as a control solution. The samples were spotted on silica gel G-1% CMC sheets and spread with n-butanol-glacial acetic acid-water (4:1:5) top layer with a 10 cm extension and repeated one time. Sprayed with a-naphthol sulfuric acid solution, heating the resulting sugar, sucrose, raffinose was blue-purple.
• Rapid-screening within 10 minutes.
• High detection efficiency: simultaneous monitoring of IgM and IgG.
• Detection without any testing equipments .
• Easy to operate, and is compatible with serum/ plasma.
• Room-temperature storage.
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