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. 2014 Oct;51(10):2839-44.
doi: 10.1007/s13197-012-0786-9. Epub 2012 Jul 31.

Antioxidant and antimicrobial properties of water soluble polysaccharide from Arachis hypogaea seeds

Shengjuan Jiang  1 , Yuhan Ma  1 , Dazhuang Yan  1
Affiliations

Antioxidant and antimicrobial properties of water soluble polysaccharide from Arachis hypogaea seeds

Shengjuan Jiang et al. J Food Sci Technol. 2014 Oct.

Abstract

The water soluble crude polysaccharide (AHP) was obtained from the aqueous extracts of the Arachis hypogaea seeds through hot water extraction followed by ethanol precipitation. Antioxidant activities and inhibitory activities against the bacteria of AHP were investigated. AHP at 2 mg/mL was found to inhibit the formation of superoxide anion (55.33 %) and hydroxyl radicals (30.85 %), to scavenge the DPPH radical (57.43 %) and to chelate iron ion (27.83 %) in in vitro systems. AHP also exhibited the antibacterial activities. AHP at 12.5 mg/mL could inhibit the growth of the Gram-positive bacteria, implying that the Gram-positive bacteria were more sensitive to AHP than the Gram-negative bacteria. Polysaccharide with antioxidant and antibacterial activities in the "Chang Sheng Guo" further increased the nutritive values of peanuts as well as the natural health product potential.

Keywords: Antimicrobial; Antioxidant; Peanut; Polysaccharide; Seeds.

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Figures

Fig. 1
Fig. 1
Reducing power (compared to ascorbic acid); DPPH scavenging activity (compared to BHT); superoxide anion radical scavenging activity (compared to BHT); hydroxyl radical scavenging activity (compared to BHT) and Chelating activity (compared to EDTA) of water soluble crude peanut polysaccharide (AHP) as a function of concentration (n = 3). The data are mean ± SD. The bars are SD values
See this image and copyright information in PMC

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