Mangiferin, also known as Guan Zhimu Ning. Light grayish yellow needle crystal (50% ethanol). It is used for the treatment of chronic bronchitis and has a good curative effect. It is the main effective component of Tibetan medicine Chen in the treatment of hepatitis, and it is the antiviral active component in the rhizome of Achyranthes bidentata. Properties: Melting point 267 ～ 272 ℃ (decomposition). Optical rotation + 43.3 ° (c = 0.9, pyridine), 32 ° (ethanol). Slightly soluble in methanol, ethanol, water, soluble in hot dilute methanol, hot dilute ethanol, insoluble in non-polar solvents.

Plant sources: fruits, leaves, bark found in the mango (Mangifera indica L.) of the anacardiaceae, rhizomes and aerial parts of the Anemarrhena asphodeloides Bge. ) DC.]

Flowers, leaves and other plants.

Pharmacological function: This product has the effects of inhibiting the central nervous system, anti-inflammatory, bacteriostatic, anti-herpes simplex virus HSV-2, choleretic and immune, relieves sacral radiculopathy caused by HSV-2 virus: manifested as hip or thigh pain Or sensory abnormalities, urinary retention, and its accompanying symptoms include proctitis and urethritis syndrome. Women with HSV-2 virus are 5 to 10 times more likely to develop cervical cancer than ordinary women. It has a protective effect on simulated high altitude acute hypoxic liver injury