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时间:2020-03-27
《不同加工工艺对桂热2号白茶品质的影响.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、南方农业学报JoURNALOFSOUTHERNAGRICULTUREISSN2095一l19l:CODENNNXAABDOI:10.3969/j:issn.2095-1191.2012.06.847不同加工工艺对桂热2号白茶品质的影响罗莲凤,马仙花,梁光志,蓝庆江,冯红钰,刘汉焱,周宁,莫小燕,覃杰凤,唐君海+(/-西南亚热带农业科学研究所,广西龙州532415)摘要:【目的】筛选出桂热2号白茶的最佳加工工艺,为充分利用、发挥桂热2号茶树品种资源优势及生产出形美质优白茶产品提供参考。【方法】以桂热2号鲜叶单芽为原料,分别采用传
2、统工艺和新工艺进行加工,通过感官审评和品质成分测定评价不同加工工艺对桂热2号白茶品质的影响。【结果】采用传统工艺制成的白茶条索稍紧,有毫香,带青气,滋味纯和;将杀青、做形工艺与白茶传统工艺进行整合的新工艺Ⅱ制成的白茶,青气消失,毫香浓、持久,条索紧,形似月芽,白毫显,滋味醇厚、甜爽,且氨基酸、茶多酚、咖啡碱、水浸出物等4项常规成分均高于传统工艺,其含量分别为5.04%、33.00%、4.57%和42.55%。【结论】不同加工工艺对桂热2号白茶品质影响明显,以将杀青、做形工艺与白茶传统工艺进行整合的新工艺Ⅱ制成的桂热2号白茶品质
3、最优、形质俱佳,能满足消费者的需求。关键词:白茶;桂热2号;加工工艺;感官品质;品质成分中图分类号:$571.109.2文献标志码:A文章编号:2095—1191(2012)06—0847—04ImpactsofdifferentprocessingtechniquesonqualityofGuire2whiteteaLU0Lian-feng,MAXian-hua,LIANGGuang-zhi,LANQing-jiang,FENGHong-yu,LIUHan—yan,ZHOUNing,MOXiao—yan,QINJie—fen
4、g,TANGJun—hai+(GuangxiSouthSubtropicalAgriculturalScientificResearchInstitute,Longzhou,Guangxi532415,China)Abstract:【0bjective】TheaimofthisexperimentwastoselectthebestprocessingtechniqueforGuire2whitetea,tomakefulluseofitsvarietalresources,andtoproducefine—shapeandh
5、igh—qualitywhiteteaproducts.【Method]SinglebudfromfreshleavesofGuire2whiteteawasprocessedusingtraditionalandnoveltechnology,respectively.EffectsofdifferentprocessingtechniquesonthequalityofGuire2whiteteawereidentifiedusingsensoryevaluationandqualitycomponentsdetectio
6、n.【Result]Thewhiteteaproducedusingtraditionalmethodhadslightlytightstreak,pekoeflavour.greengasandmildtaste.Thewhiteteaproducedbyusingnewmethodhadnogreengas,strongandlastingpekoeflavour,tightstreak,crescentmoonshape,obviouspekoe,sweetanddensetaste.Moreover,theconten
7、tsofitsfourroutinecom—ponents,aminoacid,teapolyphenol,caffeineandwaterextractwere5.04,33.00,4.57and42.55%,respectively,whichwerehigherthanthoseintraditionallyproducedwhitetea.【Conclusion]Itmaybeconcludedthatdifferentprocessingteeh—niquesaffectedthequalityofGuire2whi
8、teteasignificantly.Newtechnologycombiningfixation,shapingandtraditionaltechnologycouldproducetop-qualityandconsumer—satisfactoryGuire2whit
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