Induction grass polysaccharide with activity and preparation method thereof

• Main Authors: WU JIAMING, LIAO PENGYING, LI WURONG, ZENG WEIJIN, SUN XUEQIN, CHEN JUN
• Format: Patent
• Language: Chinese; English
• Published: 15.10.2021
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; DERIVATIVES THEREOF; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; POLYSACCHARIDES; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The invention discloses induction grass polysaccharide with alpha-glucosidase inhibitory activity and antioxidant activity, monosaccharide of the induction grass polysaccharide comprises xylose, galactose, mannose, glucose and rhamnose, and the molar ratio of the monosaccharides is 1.00: 0.03: 2.00: 1.11: 0.19; the method comprises the following steps: crushing induction grass, extracting induction grass powder for multiple times by using water as an extracting agent at 75-100 DEG C, combining extracting solutions, and concentrating to obtain a concentrated solution; refining the concentrated solution by adopting alcohol precipitation and a deproteinization reagent to obtain the induction grass polysaccharide; the operation method is simple, the induction grass polysaccharide with high alpha-glucosidase inhibitory activity and excellent oxidation resistance is creatively extracted from induction grass plants, the variety of alpha-glucosidase inhibitors and antioxidants extracted from plants is enriched, and t