Determination Polysaccharides and Antioxidant Activity of Different Parts of Pitaya Flower

GAO Hui-ying; WANG Qi; HUANG Xian-gui; CHEN Yuan; LAI Cheng-chun

doi:10.19303/j.issn.1008-0384.2015.10.005

Volume 30 Issue 10

Oct. 2015

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GAO Hui-ying, WANG Qi, HUANG Xian-gui, CHEN Yuan, LAI Cheng-chun. Determination Polysaccharides and Antioxidant Activity of Different Parts of Pitaya Flower[J]. Fujian Journal of Agricultural Sciences, 2015, 30(10): 944-947. doi: 10.19303/j.issn.1008-0384.2015.10.005

Citation:

GAO Hui-ying, WANG Qi, HUANG Xian-gui, CHEN Yuan, LAI Cheng-chun. Determination Polysaccharides and Antioxidant Activity of Different Parts of Pitaya Flower[J]. Fujian Journal of Agricultural Sciences, 2015, 30(10): 944-947. doi: 10.19303/j.issn.1008-0384.2015.10.005

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Determination Polysaccharides and Antioxidant Activity of Different Parts of Pitaya Flower

doi: 10.19303/j.issn.1008-0384.2015.10.005

Institute of Agricultural Engineering Technology，Fujian Academy of Agricultural Sciences，Fuzhou，Fujian 350003，China

Received Date: 2015-08-12
Publish Date: 2015-10-18

Abstract

Abstract

To measure polysaccharide contents in different parts of pitaya flower with white flesh and explore the differences in antioxidant activity in vitro.Extract polysacchardies from different parts of pitaya flower with white flesh by hot water extraction,and measure antioxidant capacity in different parts of polysacchardies by total antioxidant capacity and hydroxyl radical test boxes.The results showed that there′s an extremely distinct difference for polysaccharide contents in different parts,and the highest content was in the style which reach(148.67±7.13)mg·g^-1.The polysaccharides in different parts of pitaya flower possessed potent antioxidant activity,showing a positive concentration effect relationship for total antioxidant capacity,and scavenging hydroxyl radical.The ability to total antioxidant capacity order was style>calyx>petal>pistil.The ability to scavenging hydroxyl radical order was calyx>pistil>petal>style.
- pitaya,
- flower,
- polysaccharide,
- total antioxidant capacity,
- scavenging hydroxyl radical

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References(34)

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