生物技术
生物技術
생물기술
BIOTECHNOLOGY
2010年
2期
74-77
,共4页
向日葵花盘%多糖%提取%抗氧化活性
嚮日葵花盤%多糖%提取%抗氧化活性
향일규화반%다당%제취%항양화활성
the disc of sunflower%polysaccharides%extraction%antioxidant activity
目的:研究了向日葵花盘中水溶性粗多糖的提取工艺及抗氧化性能.方法:采用单因素试验和L_9(3~4)正交试验设计,对多糖提取工艺进行优化,并采用Fenton体系和邻苯三酚自氧化法评价了该提取物的体外抗氧化能力.结果:优化工艺条件为:提取温度95℃、料液比1:20、提取时间4h,向日葵水溶性粗多糖得率为9.73%,其中温度是影响粗多糖提取的重要因素.结论:结果表明向日葵水溶性粗多糖有较好的抗氧化活性.
目的:研究瞭嚮日葵花盤中水溶性粗多糖的提取工藝及抗氧化性能.方法:採用單因素試驗和L_9(3~4)正交試驗設計,對多糖提取工藝進行優化,併採用Fenton體繫和鄰苯三酚自氧化法評價瞭該提取物的體外抗氧化能力.結果:優化工藝條件為:提取溫度95℃、料液比1:20、提取時間4h,嚮日葵水溶性粗多糖得率為9.73%,其中溫度是影響粗多糖提取的重要因素.結論:結果錶明嚮日葵水溶性粗多糖有較好的抗氧化活性.
목적:연구료향일규화반중수용성조다당적제취공예급항양화성능.방법:채용단인소시험화L_9(3~4)정교시험설계,대다당제취공예진행우화,병채용Fenton체계화린분삼분자양화법평개료해제취물적체외항양화능력.결과:우화공예조건위:제취온도95℃、료액비1:20、제취시간4h,향일규수용성조다당득솔위9.73%,기중온도시영향조다당제취적중요인소.결론:결과표명향일규수용성조다당유교호적항양화활성.
Objective: To study the optimum extraction and atioxidative activity of polysaceharides from the disc of sunflower.Method:The extraction of the polysaccharides were prepared by L_9 (3~4) orthogonal test plan.And antioxidative activity of the extract was evaluated by two systems, hydroxylradical system and pyrogallol autooxidation methods.Result:It was found that the optimum extraction conditions were as follows:extraction temperature 95℃ ,material - water ratio 1: 20,and extraction time 4h ,the rate of extraction was 9.73% ,and temper-ature was an important factor for the extraction rate of the polysaccharides.Conclusion:The polysaccharides from the disc of sunflower were found have strong antioxidant activity.
