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时间:2020-03-27
《火棘黄酮的提取及美白功效研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第27卷第3期化学研究与应用Vo1.27,No.32015年3月ChemicalResearchandApplicationMar.,2015文章编号:1004-1656(2015)03-0324-05火棘黄酮的提取及美白功效研究黄荣,傅小红(成都师范学院化学与生命科学学院,四川成都611130)摘要:采用循环超声提取法提取火棘黄酮,通过正交试验确定其最佳工艺,用D101大孔树脂将其纯化,测定了火棘黄酮的马铃薯酪氨酸酶抑制率。并制备了火棘黄酮美白霜,通过人体实验,评价其美白功效。结果表明:火棘黄酮最佳的提取条件为乙醇体
2、积分数为70%,料液比(g:mL)为1:l5,提取温度6o℃,提取时间为30mlno火棘黄酮对马铃薯酪氨酸酶具有明显的抑制作用,抑制率达到50%时火棘黄酮浓度(,c∞)为lO.36mg·mL~,是熊果苷的2倍。火棘黄酮制成的美白霜有一定的美白能力,能显著降低皮肤黑色素含量和增加皮肤亮度而美白皮肤。结果说明火棘黄酮具有一定的美白功效,可以作为天然的美白化妆品添加剂。关键词:火棘黄酮;循环超声提取;马铃薯酪氨酸酶;美白中图分类号:0629文献标志码:AResearchontheextractionofflavonoidsf
3、romthefruitsofpyracanthafortuneanaandtheirwhiteningactivityHUANGRong,FUXiao—Hong(CollegeofChemistryandLifeScience,ChengduNormalUniversity,Chengdu611130,China)Abstract:Methodofultrasoniccirculationextractionwasusedfortheextractionofflavonoidsfrompyracanthafortune
4、anafruits.Theoptimaltechnologicalconditionsweredeterminedbyo~hogonalexperimentsandD101macroporousresinWasusedtopurifyfla-vonoids.AndtheinhibitionrateofflavonoidsfrompyracanthafortuneanafruitsonpotatotyrosinaseWasalsomeasured.Besides,thewhiteningcreamwithflavonoi
5、dsfrompyracanthafortuneanafruitsWaspreparedwhoseactivitieswereevaluatedbyhumanbodytests.Theresultsshowedthattheoptimumextractionconditionswereasfollows:ethanolassolventwithvolumefractionof70%:ra.tioofpyracanthafortuneanafruitsmaterialtosolvent(g:mE),1:15;extract
6、iontemperature60。C;ultrasoniccirculationextractiontime.30min.Theactivityofthepotatotyrosinasewasinhibitedbytheflavonoidsfrompyracanthafortuneanafruits.Theconcentra—tionofflavonoidsfrompyracanthafortuneanafruitsleadingto50%inhibition(IC50)was10.36mg.mL一.ItWasabou
7、ttwofoldmorethanthatofarbutin.Whiteningcreamwithflavonoidsfrompyracanthafortuneanafruitshadcertainwhiteningcapacity.Itcouldre—ducemelanincontentandincreasebrightnessinthehumanskinsignificantlythUStowhitentheskin.A11resultsindicatedthatfla.vonoidsfrompyracanthafo
8、rtuneanafruitshadcertainwhiteningefect,whichindicatedthatitcouldbeusedasacosmeticadditivef0rskinwhitening.Keywords:flavonoidsfrompyracanthafortuneanafruits;ultrasonic
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