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ID:36510271
大小:1.67 MB
页数:45页
时间:2019-05-11
《干燥方法对红枣总黄酮含量的影响及其生物功能初探》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、陕西师范大学硕士学位论文干燥方法对红枣总黄酮含量的影响及其生物功能初探姓名:盛文军申请学位级别:硕士专业:食品科学指导教师:陈锦屏200404017螽熬予蠛试验袭螟,甄枣慧黄戮鑫嚣瓣薅滔娶蠼奁线下辩关系s萁毯爆方器为:Y一0.7111X+294+54,相凝系数R=O.9967。8四秘干燥试验比较,微波干燥蹶褥缒枣总黄熬含量218;6mg/tOOg,水分食爨24.3%;热风干澡所褥红枣总黄酮含豢189.3mg/tOOg,水分禽量27.9%:真空冷冻干燥所得红枣总黄酮禽攮275。2mg/1009,水转含量6.9%;囱然干燥掰褥魏枣慈黄粥含塞261。5mg/lOOg,水分含灏29。7蓠
2、。9应用黼效液棚色谱技术初步撩定得出:红枣黄酮粗品中含量最糍为芦丁(193,6弘g),黄黧粪满努在黄蕊粳熬孛占48%,酚簸豢耪矮占32%,英它黔类物质占20%。红枣鼹酮粗晶的主体为黄酮畿成分。10红枣黄醮褪燕辩枣鼠_淑骚数试验指澎:中、鬣粼量秘红枣黄骥粳晶,黯枣戳血清中甘油三黼和总服固醇的升高具鼹著抑制作用,且有效促进商密度脂鬣瞧的转化。巅裁量红枣菠酮糕晶比单一芦了的终鬟鹾显。ll红枣荧酮疆品对小鼠体内抗氧化作嗣的试验指出:释荆萱缀的红枣鬻硐粗懿显著抑制小鼠体内氧岛由基的嶷成,辨显罄降低小撼体内弼=醛的生成。篓£枣黄耐辍鑫霹静铽,j、鬣盎液鞠翳麓豹过氧纯裁生戒。荚缝蠲:薮枣总黄黧
3、于爨凌麓浮徐11TheInfluenceofDryingWaysonTotalFlavonoidsofChineseJujubaMillandPreliminaryExplorationforItsFunctionEvaluationShengWenj秘Abstract:JujubaMillisaspeciallcindofChinesefruits.Ithasmanykindsofnutritionalingredients.TherutininJ哂ubacallimprovetheeffectofVcinorganism.o氇erflavonoidswilltakediffe
4、renteffects。Inthisthesis,theinfluencesoffollrdryingwaysontotalflavonoidsofChineseJujubaMillhavebeenstudied.BytheHPLC.thecompositionsofChineseJujubaMillhavebeenanalyzed.Further,thefimetionoftotalflavonoidsinChineseJujubaMillhasbeenevaluatedtentatively.malnresultsarelistedasfollows:1.T№averager
5、etrievalproportionoftherutinaddedintheJujubaMillis99.4%.RSD=I.34%.Thetechnologicalprocesschoseinthisthesisisfitfortherequirement.2.Inthreetypesofmacroretieularadsorbent(LSA·5,LSA-8,LSA-20),LSA一20showedthebestcomprehensiveabsorptionabillty.Theadsorptionrateis98.6%,theeluviationsrateiS97。6%,羊ho
6、productivi瓣iS96。23%.3,ThecontentofflavonoidsinfreshChinesej塌ubaMillis296.6mg/1009.4.Formicrowavedryingexperiment.theoptimalparametersarcfollowconditions:power/0.245Wjtime/10min,theweightofJujubaMillperdecimetersquare/509。flavonoidproductivityundertheseparametersis218。6rag/lOOg+Theeffectfactor
7、sa托sequenced;power>time>weight+5.Forhotairdrying,theoptimalparametersshowedasfollows:hotairtemperature/40"(2,dryingtime/8hour,theweitghtofJujubaperdecimetersquare/1509。Theflavonoidsproductionundertheseconditionsis189.3mg/1009.Thoparametersare
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