Abuduwaili, Aytursun published the artcileEffects of different extraction techniques on physicochemical properties and biological activities of polysaccharides from Fritillaria pallidiflora Schrenk, Synthetic Route of 59-23-4, the main research area is Fritillaria polysaccharide antioxidant ultrasound cellulase pectinase assisted extraction.
In this study, polysaccharides were extracted using different techniques including ultrasound-assisted extraction (UA), cellulase-assisted extraction (CA), cellulase-ultrasound-assisted extraction (CUA) and pectinase-ultrasound-assisted extraction (PUA) from Fritillaria pallidiflora Schrenk. Extraction yields, chem. composition, physicochem., structural properties and antioxidant activities of the polysaccharides were compared. Results shows that polysaccharides extracted with CUA method has the highest extraction yield (20.65 ± 0.78%), including carbohydrate (56.16 ± 0.38%) and uronic acid (28.34 ± 0.23%), demonstrates better solubility and oil holding capacity as compared with others. The polysaccharides composed of rhamnose, lyxose, arabinose, xylose, mannose, glucose and galactose with different molar ratio. Fourier transform IR spectroscopy showed key functional groups whereas SEM, X-ray diffraction and Congo red test of the extracts obtained with different techniques showed characteristic structures of polysaccharides. Biol. activity tests showed that polysaccharides extracted with UA method exhibited strong scavenging activity against ABTS and hydroxyl free radicals. The results indicated that different extraction techniques had certain effects on chem. composition, physicochem. properties and bioactivities of polysaccharides.
Process Biochemistry (Oxford, United Kingdom) published new progress about Antioxidants. 59-23-4 belongs to class alcohols-buliding-blocks, name is (2R,3S,4S,5R)-2,3,4,5,6-Pentahydroxyhexanal, and the molecular formula is C6H12O6, Synthetic Route of 59-23-4.
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