資源描述:
《克東腐乳發(fā)酵過程中揮發(fā)性風(fēng)味物質(zhì)分析》由會員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、現(xiàn)代食品科技ModernFoodScienceandTechnology2014,Vol.30,No.1克東腐乳發(fā)酵過程中揮發(fā)性風(fēng)味物質(zhì)分析1111211孫菁赫,孫冰玉,劉琳琳,劉穎,楊躍峰,劉瑩瑩,石彥國(1.哈爾濱商業(yè)大學(xué)食品工程學(xué)院,黑龍江省普通高等學(xué)校食品科學(xué)與工程重點(diǎn)實(shí)驗(yàn)室,黑龍江哈爾濱150076)(2.黑龍江省克東腐乳有限公司,黑龍江克東164800)摘要:克東腐乳是以微球菌為主要菌系發(fā)酵而成的細(xì)菌型腐乳,具有獨(dú)特的質(zhì)地和風(fēng)味。本文采用同時(shí)蒸餾萃取法(SDE)提取,并結(jié)合氣相色譜-質(zhì)譜聯(lián)用(GC-MS)技術(shù)對克東腐乳揮發(fā)性風(fēng)味物質(zhì)進(jìn)行跟蹤萃取檢測研究,樣品包括豆腐白坯、發(fā)酵液及生
2、產(chǎn)過程中腐乳塊和湯料,綜合分析各種風(fēng)味成分的產(chǎn)生情況及含量變化,并且與傳統(tǒng)毛霉腐乳的揮發(fā)性風(fēng)味物質(zhì)種類及含量進(jìn)行比較。分析表明隨著發(fā)酵時(shí)間的延長,檢測出的揮發(fā)性風(fēng)味物質(zhì)種類不斷增加,酸、醛、酮、醇等類物質(zhì)不斷產(chǎn)生,而且相應(yīng)的百分含量逐漸增加;酯類始終是主要的的風(fēng)味物質(zhì),而在整個(gè)過程中酯類物質(zhì)所占的百分比呈下降趨勢。以克東腐乳為研究對象,揭示細(xì)菌型腐乳生產(chǎn)過程中風(fēng)味物質(zhì)的變化規(guī)律,為中國傳統(tǒng)發(fā)酵食品建立基礎(chǔ)性數(shù)據(jù)資料。關(guān)鍵詞:同時(shí)蒸餾萃取;克東腐乳;風(fēng)味物質(zhì)文章篇號:1673-9078(2014)1-200-205AnalysisofVolatileComponentsinKedongFerme
3、ntedBeanCurdduringtheFermentationSUNJing-he1,SUNBing-yu1,LIULin-lin1,LIUYing1,YANGYue-feng2,LIUYing-ying1,SHIYan-guo1(1.KeyLaboratoryforFoodScienceandEngineering,CollegeofFoodEngineering,HarbinUniversityofCommerce,Harbin150076,China)(2.HeilongjiangProvinceKedongfermentedbeancurdCo.,Ltd,KedongCounty,
4、Heilongjiang164800,China)Abstract:KeDongcurdismainlyfermentedbyMicrococcusstrains,withuniquetextureandflavor.Volatileflavorcompoundswereextractedfromsamplesincludingtofu,broth,fermentedbeancurdandthesoup,bysimultaneoussteamdistillationandextraction(SDE)apparatusandthenanalyzedbygaschromatograph-mass
5、spectrometer-computer(GC-MS).ComparedtothevolatileflavorcompoundswiththetraditionalMucorfermentedbeancurd,thespeciesofvolatileflavorcompoundsofKedongfermentedtofukepttoincreasewithextendingthefermentationtime.,Thecompoundsofacid,aldehyde,ketone,andalcoholgeneratedandthepercentagecompositionsofthemwe
6、reincreasingconstantly.Generallyesterwasthemainflavorsubstancebutestercontentwasdeclinedduringthefermentationprocess.Thisresearchrevealedthethechangelawofbacterial-typebeancurdvolatileflavorcompoundsinKeDongfermentedsoybeancurdsandprovidedcertaintheoreticalguidanceforChinesetraditionalfermentedfood.
7、Keywords:steamdistillationandextraction;KeDongfermentedtofu;volatileflavorcompounds腐乳又稱豆腐乳,是我國傳統(tǒng)發(fā)酵食品,已有上較高的營養(yǎng)價(jià)值。克東腐乳是由大豆制成豆腐坯,首千年的歷史,全國各地因飲食習(xí)慣和口味不同生產(chǎn)了先進(jìn)行蒸坯、腌坯進(jìn)入前期發(fā)酵階段,然后經(jīng)干燥,不同特色的產(chǎn)品,是一種風(fēng)味獨(dú)特、滋味鮮美、營養(yǎng)用鹽進(jìn)行