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2 results about "Corni Fructus" patented technology
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Fructus corni officinalis. Cornus officinalis is a species of dogwood known also as Japanese cornel or Japanese cornelian cherry or Cornelian cherries, not to be confused with C. mas, which also known as the “Cornelian cherry.” The correct term would be Korean cornel dogwood or Chinese cornel dogwood since the flower originated from Korea and China.
Ultrasonic-assisted deep eutectic solvent-based extraction method for polyphenols from fructus evodiae seeds and application thereof
This invention provides a method for extracting polyphenols from Cornus officinalis seeds using ultrasound-assisted eutectic solvent extraction and its application, belonging to the field of natural polyphenol extraction. An ultrasound-assisted eutectic solvent extraction system for Cornus officinalis seed polyphenols was established, using a DES composed of betaine-glycerol-xylitol (molar ratio 4:6:1). Under conditions of 70% mass fraction, a solid-liquid ratio of 1:15 g / g, and ultrasound extraction for 60 min, the extraction rate of Cornus officinalis seed polyphenols reached 18.13%, approximately 1.60 times higher than the traditional ethanol extraction method. The entire extraction process is green, environmentally friendly, and highly efficient, without the use of organic reagents, and the extraction time is short. The obtained polyphenol extract exhibits strong free radical scavenging activity and tyrosinase inhibitory activity. The DPPH free radical scavenging rate is 4 times that of vitamin C, and the ABTS free radical scavenging rate is 2 times that of vitamin C. This extract has a significant inhibitory effect on tyrosinase, showing a dose-dependent effect within a certain concentration range, demonstrating significant potential and prospects in the development of natural cosmetics.
Owner:ZHENGZHOU UNIV
Wine stewed corni fructus oligosaccharide, and preparation method and application thereof
The present application relates to the technical field of traditional Chinese medicine processing, in particular to a kind of wine stewed fructus corni oligosaccharide and its preparation method and application.The preparation method comprises: after yellow rice wine is used to moisten fructus corni, it is stewed by water separation, total sugar extract is obtained by defatting, water extraction, protein removal and decolorization purification, then alcohol precipitation grading, freeze-drying is carried out, and wine stewed fructus corni oligosaccharide is obtained.Experimental results show that wine stewing process can significantly improve the proportion of oligosaccharide in fructus corni total sugar, and the obtained oligosaccharide can significantly improve the insulin resistance state of IR-HepG2 cells, and the effect is equivalent to that of metformin hydrochloride.The present application also discloses the application of the oligosaccharide in preparing drugs for improving insulin resistance and treating type 2 diabetes.
Owner:HEBEI UNIVERSITY