鼠尾草水醇提取物提取工艺优化及抗氧化活性研究

打开文本图片集

中图分类号：TS201.1 文献标识码：A DOI编码：10.3969/j.issn.1006—6500.2025.08.013

Abstract：ToeficientlyevelopntioxidantomponentsfromSaluiafcindlisLinnndevauatetheirctivityaetodadoted in which the DPPHfreeradical scavengingratewasusedasanindicator.Theultrasonic-asisted extractionprocesswasoptimized throughsinglefactorexperimentsandoogonaltests.Meanhile，invitroexperimentswereconductedtoessteantioidanac tivity of S offcinalis extractandcompare it with thatofvitamin C（VC）.Basedonthis，a study wascarredoutontheextraction process and antioxidant activity of S⋅ offcinalis extract.The results showed that the optimal extraction conditions were amaterial-to-liquidratioof1：6O，anextraction timeof9minutes，anextraction powerof4Oo W，andanethanolconcentrationof 90 % .Underthese conditions，theDPHfreeradicalscavengingrateoftheextractreachedamaximumof98.8%.Inviroexperimentsshowedthatthe ABTS free radical scavenging ability of S officinalisextract was close to that of VC（IC 50 =0.057mg mL-1 ），but its scavenging abilities forDPPH（IC5=O.053mg·mL-1）andsuperoxideanionradicals（IC5=1.09mg·mL1）weremuchlowerthanthoseofVc.Inconclusion， S.ofcindlisextractexibitscertainantioxidantactivitywithvaringantioxdantcapacitycrossdiferentfrerdicalsystes.he optimized extraction process can effectively extract antioxidant components from S officinalisproviding a theoretical basis for its targeted application in functional antioxidant products.

KeyWords： Salvia officinalis Linn.;antioxidantactivity; extraction technology;freeradical scavenging rate

鼠尾草（SalviaofficinalisLinn.）作为唇形科多年生草本植物，通常以根入药，在传统医学中应用历史悠久，其药用价值备受关注。（剩余9717字）