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1、山西農(nóng)業(yè)科學(xué)2014,42(5):445—447,451JournalofShanxiAgriculturalSciencesdoi:10.3969~.issn.1002-2481.2014.05.07泡桐花抑菌活性成分最佳提取工藝研究馮亦平,程杰瑞,陳麗君,牛顏冰(1.山西農(nóng)業(yè)大學(xué)校醫(yī)院,山西太谷030801;2.山西農(nóng)業(yè)大學(xué)生命科學(xué)學(xué)院,山西太谷030801)摘要:隨著社會(huì)經(jīng)濟(jì)的發(fā)展和人民生活水平的提高,食品防腐劑的安全日益受到人們的關(guān)注。而化學(xué)防腐劑的致癌性和致畸性等問題的存在,使得開發(fā)高效
2、、安全、穩(wěn)定的天然食品防腐劑迫在眉睫。以黑曲霉、桔青霉、黑根霉、米曲霉、綠色木霉、大腸桿菌、枯草芽孢桿菌、金黃色葡萄球菌和腸炎沙門氏菌為供試菌種,采用菌絲生長(zhǎng)速率法和濾紙片擴(kuò)散法,通過單因素試驗(yàn),研究不同提取方法、干燥方法和提取劑對(duì)泡桐花抑菌活性成分提取的影響,確定了泡桐花抑菌活性成分的最佳提取工藝為:陰干的泡桐花以無水乙醇為提取劑,采用超聲輔助提取。關(guān)鍵詞:天然食品防腐劑;泡桐花;提取工藝;抑菌活性中圖分類號(hào):R284.1文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1002—2481(2014)05—0445—04
3、StudyontheOptimumExtractionProcessofAntibacterialActiveIngredientsofFortunePaulowniaFlowerFENGYi—ping,CHENGJie-rui2,CHENLi-jun,NIUYan-binga(1.SchoolAfiliatedHospital,ShanxiAgriculturalUniversity,Taigu030801,China;2.CollegeofLifeSciences,ShanxiAgricult
4、uralUniversity,Taigu030801,China)Abstract:Withthedevelopmentofsocialeconomicandtheimprovementofpeople’Slivingstandards,peopleingrowingnumberscometorealizetheimportantanceofs~etyandhealthconditionsofthefoodpreservatives.Chemicalpreservativesmightcausec
5、ancerormalformation,whichmakesiturgenttodevelophighlyactive,s~etyandstablechemicalpreservative.Inthisstudy,weresearchedtheantimierobialactivityofsafronlateralbudandperianthextractivesbyfilterpaperdispersionandmycelialgrowthratiomethodstothetestedmicro
6、organismswhichwereEscherichiacoli,Bacillussubtilis,Staphylococcusalzreus,Salmonellaenteritidis,Sacch~omycescerevisiae,AsppergillusnPenicilliumcitrinum,Rhizopusnigricarts,Asperaillus0,)andTr/choderm~viride,respectively.Throughsinglefactortoresearchdife
7、rentextractionmethod,treatmentmethodandhowagentinfluencetheantibacterialactiveingredientsaboutfortunepaulowniaflower.wemadeoutthattheextractionprocessofantimiembialcomponentsoffortunepaulowniafloweris:fortunepaulowniaflowerdriedintheshadewithabsolutee
8、thylalcoholextractedbyultraaudiblesound.Keywords:naturalfoodpreservatives;fortunepaulowniaflower;extractionprocess;antibacterialactivity近年來,因腐敗而導(dǎo)致食品變質(zhì),造成了糧食產(chǎn)生一定的毒副作用。因此,從動(dòng)植物中尋找、提取浪費(fèi),給經(jīng)濟(jì)的發(fā)展帶來了不可估量的損失。據(jù)統(tǒng)天然食品防腐劑成為當(dāng)前食品防腐劑研究開發(fā)的計(jì),全世界每年有20%一30%的食物因各種