食品科学技术学报 - page 62

的质量浓度为 2 g / L 时 ,其清除率达到 80郾 03% ; 与
三氯甲烷·OH - 清除率先上升后下降的趋势相比,
甲醇提取物·OH - 清除率基本呈线性增长 , 当甲醇
提取物的质量浓度为 2 g / L 时, 清除 率 达 到
29郾 14% ;1 ~ 5 g / L 三氯甲烷提取物的还原能力均高
于水和甲醇提取物, 当三氯甲烷提取物的浓度为 5
g / L 时,其还原力为 49郾 48% ,所以三氯甲烷提取物
的还原力强于其他两种溶剂提取物, 因此蜂花粉甲
醇提取物的抗氧化能力在此 3 种溶剂中最强。
参考文献:
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以及抗菌活性的研究[J]. 食品科技,2013,38(7):235 -
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Study on Antioxidant Activities of bee Pollen
Extractives Using Three Kinds Solvents
L譈 Jianing1 ,摇 LI Ying1 ,摇 HAN Lijie1 ,摇 LIU Ziling1 ,摇 ZHANG Ling 1 ,摇 JIN Tieyan1,2,*
(1 . College of Science, Yanbian University,Yanji 133002, China;
2 . College of Agriculture, Yanbian University, Yanji 133002, China )
Abstract: To investigate the antioxidant activities of the bee pollen extractives , water, methanol, and
chloroform were used as extraction solvents and DPPH eliminating rate,·O - removing rate,·OH - elimi鄄
nating rate, and reducing power were determined. The results showed that the water extraction had the
highest yield (54郾 16% ) while the extractives from methanol had the highest DPPH eliminating rate,
·O - removing rate, and·OH - eliminating rate and the antioxidant activities increased with the increas鄄
ing concentration. The highest DPPH eliminating rate (95. 49% ) was obtained under the concentration
of 5 g / L while the highest·O - removing rate (80郾 03% ) and·OH - eliminating rate (29郾 14% ) were
obtained under the concentration of 2 g / L. The chloroform extracts had the highest reducing power
(49郾 48% ) under the concentration of 5 g / L. Based on the results, methanol extractives had the best an鄄
tioxidant activities.
Key words: bee pollen; solvent extraction; antioxidant activities
( 责任编辑: 叶红波)
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第 33 卷 第 2 期摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 吕佳宁等: 蜂花粉 3 种溶剂提取物的抗氧化性研究