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1,2,1,1,1,1(1.,514015;2.,201306):、、、4,、。:44.2%~10.1%,(6.5%~17.8%),60%;1.1%~1.4%,(1.2%~2.2%),60%;,(13.0~19.0%)(10.0%~16.0%)。,4(26.0%~35.0%)(25.0%~35.0%),(7.81%~8.82%)(4.5%~7.2%);,1.5%~4.5%,(4%~11%);(3.3%~4.7%)(5.0%~7.0%)。,、,。:;;;;:TS272:A:1004-874X(2015)06-0014-07DeterminationandanalysisofmaincomponentsoffourkindsofteaandtheirteawastesZHENGQing-mei1,CHENKun-ping2,ZHONGYan-mei1,HANChun-yan1,ZHANGZi-rong1,ZHENGJia-ling1(1.CollegeofLifeScience,JiayingUniversity,Meizhou514015,China;2.CollegeofFisheriesandLifeScience,ShanghaiOceanUniversity,Shanghai201306,China)Abstract:With4kindsoftea(i.e.greentea,TiKwanYintea,blacktea,Pu-ertea)asexperimentalmaterials,thecontentsofteapolyphenols,freeaminoacidsandnutrientcomponentintheteaandtheirteawastesweredeterminedbynationalstandardmethod,respectively.Theresultsshowedthatthecontentofteapolyphenolsinthe4kindsofteawasteswas4.2%-10.1%,whichwassignificantlylowerthanthatinthecorrespondingtea(6.5%-17.8%),butwhichwasretainedmorethan60%ofthatinthecorrespondingtea.Similarly,thecontentoffreeaminoacidsinthe4kindsofteawasteswas1.1%-1.4%,whichwassignificantlylowerthanthatinthecorrespondingtea(1.2%-2.2%),andalsoretainedmorethan60%ofthatinthecorrespondingtea.However,thecontentofcrudefiber(13.0%-19.0%)inthe4kindsofteawasteswassignificantlyhigherthanthatinthecorrespondingtea(10.0%-16.0%),respectively.Theresultsofdeterminationofnutritionalingredientsshowedthatthecontentofcrudeprotein(26.0%-35.0%)inthe4kindsofteawasteswasslightlyhigherthanthatinthecorrespondingtea(25.0%-35.0%),respectively.Butthecontentofmoistureinthe4kindsofteawastes(7.81%-8.82%)wassignificantlyhigherthanthatinthecorrespondingtea(4.5%-7.2%)respectively.Conversely,thecontentofcrudefatinthe4kindsofteawastes(1.5%-4.5%)wassignificantlylowerthanthatinthecorrespondingtea(4%-11%),respectively.Andthecontentoftotalashinthe4kindsofteawastes(3.3%-4.7%)wasalsosignificantlylowerthanthatinthecorrespondingtea(5.0%-7.0%),respectively.Theactiveandnutritionalingredientsinteawastesstillcontainedhighteapolyphenols,aminoacidsandmainnutritionalcomponents,whichcouldprovideatheoreticalbasisforthedevelopmentandutilizationofteawastes.Keywords:tea;teawastes;teapolyphenols;freeaminoacids;nutritionalcomponent:2014-11-24:(S2013010013693);(Yq2013152);(2011-17);(2013):(1978-),,,,E-mail:zhqm78@163.com2015614CMYKDOI:10.16768/j.issn.1004-874x.2015.06.010,。2012,235.3hm2,175t,53%38%,1,[1]。,,[2]。“”,。,、[3]。,、、、、,[4]。,,[3,5];,,,。,。,、、,,,。,15%~30%[6]。6%,1%~2%0.1%~0.3%[7]。、、、,[8]。,,,、。,,[9]。[10],。,、、、4,、,。11.1、、,100/kg,;(,),,80/kg。、、、,Sigma,L-,,。1.21.2.1,0.425mm,(40℃),。1.2.2。:50g,1L,1∶10500mL,30℃1h,,,。,(40℃),。1.2.3(GB/T8313-2008):70%70℃,-OH,765nm,。(GB/T8314-2014);:GB/T8304-2013;:GB/T8306-2013;:GBT8307-2013;:GB/T5009.5-2010;:GB/T5009.6-2003;:GB/T8304-2013。Excel2003,SPSS17.0(one-wayANOVA)。22.14(1),4(17.8%)>(12.9%)>(10.1%)>(6.5%),;44.2%~10.1%,>>>,15CMYK(%)12108642054afbdcgef2520151050(%)34ecbaeccb2520151050(%)24adbeceef20151050(%),2~714cbdceefa。,4,60%,(10.1%),(4.2%)。2.24(2),41.23%~2.24%,,3,>>>;4,(1.11%~1.37%),60%。2.344(3),413.0%~19.0%,10.0%~16.0%,。,(16.2%19.1%),(14.2%16.5%),(10.0%)。2.444(4),425.0%~35.0%,、26.0%~35.0%。(35.2%34.7%),;3。4(5),44.0%~11.0%,,>>>>,(11.0%9.1%),(7.1%4.0%);44035302520151050(%)44cbdccbaa16CMYK109876543210(%)74acdbebdce14、()(%)1.25±0.07d1.11±0.09e1.46±0.05b1.33±0.06c1.26±0.04d1.31±0.04c1.88±0.09a1.93±0.05a(%)3.75±0.07b2.40±0.08cd3.49±0.05b2.12±0.06d3.93±0.04b2.04±0.04d5.08±0.09a2.74±0.05c(%)75.0068.3770.5161.4574.7260.9072.9958.67:。876543210(%)64bcefcefbfac1.5%~4.5%,。,,20%;,50%。4(6),45.0%~7.0%,43.3%~4.7%;4,60%。4,,;33.5%,。。4,(1),4(3.5%~5.1%),(2.0%~2.7%);(1.3%~1.9%),。4(7),44.5%~7.2%,4(7.8%~8.8%),。(4.5%),(7.2%)。,、,4。33.130,、、,,、、[11]。、、[12]。、,、[13-14]。,,[15]。[16],,,26.72%10.78%;,8%~19%,2[17]。[18]19.71%~21.15%;[19],18%~30%,4,(17.83%)>(12.92%)>(10.14%)>(6.49%),。,,;,2;17CMYK,3;,。,,。,、、,,。,4,60%。,[20],30~90℃30min,,,。[21],2.1%~2.3%;,4(4.15%~10.11%),[21],(28℃)、(),(60%)。。3.2,,[22]。2%~5%,26[23]。,、,80℃[24]。,,-,[25];,,[26]。,>>>,。[17]90.31%~1.10%;[19]2.33%~4.67%;[27],11.38~19.28mg/g,17.55mg/g。41.23%~2.24%,;4(1.11%~1.37%),50%。,、、,,。,[28]。3.3、,、、、、,、[29]。,[30]。[31],、16.5%、18.3%20.1%;[32]16.68%。,410%~16%,;413%~19%,,,,、、、,、、,。3.4,15%~30%,,1%~2%,,1%,[23]。,(82.05%)、(13.61%)、(3.47%)、(0.87%)[33-34]。[35],;[36],30%~35%;[32]28%。,425%~35%,26%~35%,;、,4,18CMYK,,,。、、、[37]。,4>>>,,,,,。,、、。,4(1.5%~4.5%),,,,。550℃,。4.0%~7.5%,50%[36]。[17]96.46%~8.37%;5.5%~6.5%,60%[36]。45%~7%,,,,、,。,,[27]。,4,,。。,4,、、。,,、、。[17]7%~10%,[32]10%。,44.5%~7.2%,;4(7.81%~8.82%),。,、、[38]。、,。,4、、、,50%,、。,,,,、。:[1].[J].,2013(11):4-6.[2].[M].:,2013.[3],.[J].,2011(1):17-20.[4],,,.[J].,2013(4):11-13.[5]KondoM,KitaK,YokotaH.Ensiledgreenteawasteaspartialreplacementforsoybeanmealandalfalfahayinlactatingcows[J].Asian-AustJAnimSci,2004,7:960-966.[6].[J].,2005(4):82-83.[7].[J].,2006(3):20-21.[8].[J].,2010,32(11):44-48.[9].———[J].,2012(7):26-28.[10]CabreraC,ArtachoR,GiménezR.Beneficialeffectsofgreentea—areview[J].JAmCollNutr,2006,25(2):79-99.[11],,,.[J].,2014(6):152-154.[12].[M].3.:,2003:173-297.[13],,.[J].,2011,39(9):5343-534
本文标题:4类茶叶及其茶渣主要成分的测定与分析
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