Structural characterization of a non‐starch polysaccharide from sweet corn cobs
2022
Wang, Xin | Xiu, Weiye | Han, Ye | Wang, Zhili | Ma, Yongqiang
In order to improve the utilization value of sweet corn cobs, we extracted a new non‐starch polysaccharide from sweet corn cobs and named it SCP‐80‐I. It showed that SCP‐80‐I was a neutral homogeneous polysaccharide composed of glucose with a molecular weight of 175.453 kDa. We also explore the structural features of SCP‐80‐I and we found that it possessed a backbone of →4‐Glc‐1 → 4‐Glc‐1 → 4,6‐Glc‐1 → 4‐Glc‐1→, and the branched chain was →6‐Glc‐1 → linked to the main chain through O‐6 of →4,6‐Glc‐1→. We predicted that SCP‐80‐I may have a function of antioxidation and hypoglycemic due to its structure. This study provides some reference value for sweet corn cob polysaccharides in the creation of functional food. NOVELTY IMPACT STATEMENT: A new non‐starch polysaccharide from sweet corn cobs (SCP‐80‐I) was obtained. SCP‐80‐I was composed of glucose with a molecular weight of 175.453 kDa. The backbone of SCP‐80‐I was →4‐Glc‐1 → 4‐Glc‐1 → 4,6‐Glc‐1 → 4‐Glc‐1 →.
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