Hu, Weiwei published the artcilePhysicochemical and macromolecule properties of RG-I enriched pectin from citrus wastes by manosonication extraction, Recommanded Product: (2R,3S,4S,5R)-2,3,4,5,6-Pentahydroxyhexanal, the main research area is rhamnogalacturonan pectin citrus waste manosonication extraction physicochem macromol property; Manosonication extraction; Property characterisation; RG-I enriched pectin.
The properties of pectin extracted from mandarin citrus peels by manosonication extraction (MSp) were systematically studied and compared with pectin obtained by the conventional maceration method (CMp). The yield of MSp (25.5%) was significantly higher than that of CMp (18.3%), while MSp exhibited two Mw fraction distributions. Monosaccharide anal. demonstrated that MSp had more branched RG-I regions (78.3 mol%) than CMp (36.6 mol%) with a high content of arabinose and galactose. The branched-chain morphol. characteristics of samples were directly imaged by at. force microscopy. The MSp exhibited a significantly lower degree of methoxylation than CMp by FT-IR and NMR anal., but X-ray diffraction anal. showed little difference in the level of crystallinity. Moreover, MSp and CMp showed non-Newtonian behavior, and the increasing order of apparent viscosities was 1.0 w/v% MSp < 1.0 w/v% CMp < 2.0 w/v% CMp < 2.0 w/v% MSp. Thermal anal. and weight loss measurements indicated MSp exhibited greater thermal stability. The results also indicated that both MSp and CMp significantly enhanced the emulsion activity at high concentrations; the emulsions containing 1.5 w/v% pectin showed no phase separation over 21 days, suggesting that MSp could be a potential effective stabilizer in the food and beverage industry. International Journal of Biological Macromolecules published new progress about Beverages. 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, Recommanded Product: (2R,3S,4S,5R)-2,3,4,5,6-Pentahydroxyhexanal.
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