The polysaccharide PEC-EX-2′ with molecular mass 75.49 kDa was obtained from fruit of Elaeagnus angustifolia L. Chemical and spectral analyses established that it was a branched polymer in which the main chain consisted of α-1,4-bound residues of galacturonic acid. Side branches of T-GalA, 1,5-Araf, and 1,4-Glcp were bonded to the main chain at the O-2 and O-4 positions. The polysaccharides exhibited in vitro antioxidant activity against DPPH and ABTS radicals.
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Acknowledgment
The work was financially supported by West Light Foundation, Chinese Academy of Sciences, Grants Nos. 2019-FPGGRC-004 and 2019-FPGGRC-005 and the Program for Foreign Young Talent, Grant No. QN2022045004L.
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Translated from Khimiya Prirodnykh Soedinenii, No. 6, November–December, 2022, pp. 837–839.
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Huojiaaihemaiti, H., Fang, L.C., Ning, H.X. et al. Polysaccharides from Fruit of Elaeagnus angustifolia and Their Antioxidant Activity. Chem Nat Compd 58, 991–994 (2022). https://doi.org/10.1007/s10600-022-03851-2
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DOI: https://doi.org/10.1007/s10600-022-03851-2