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ID:5931787
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时间:2017-12-29
《人工调控萎凋室温湿度白茶加工工艺探究》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、人工调控萎凋室温湿度白茶加工工艺探究 摘要:采用空调及除湿机对白茶加工过程中萎凋室温湿度进行人工控制,探讨在不同温湿度条件下白茶萎凋失水及生化成分含量变化规律及其对白茶品质的影响。结果表明,在湿度相同的情况下,萎凋温度越高萎凋叶含水量下降幅度越大,同时萎凋温度也与毛茶生化成分含量的变化及白茶品质的形成具有相关性。综合感官审评结果,萎凋室温度22℃、湿度(70±5)%的环境能使萎凋过程中失水和理化变化相协调,利于高品质毛茶的形成。关键词:白茶;萎凋;温湿度;品质中图分类号:TS272.5文献标识码:A文章编号:0439-8114(2013)05-1144-05StudyonWh
2、iteTeaProcessingTechnologybyArtificialControlofTemperatureandHumidityduringWitheringPANYu-hua,HUANGXian-zhou,ZHOUHan-song(NingdeVocationalandTechnicalCollege,Fu’an355000,Fujian,China)Abstract:Usingairconditioneranddehumidifiertoartificiallycontrolthetemperatureandhumidityduringthewitheringpr
3、ocessofwhitetea,2theeffectsoftemperatureandhumidityonwaterlossandcontentofbiochemicalcomponentsaswellasthesensoryqualityofteawereanalyzed.Theresultsshowedthatunderthesamehumidityconditions,thehigherthewitheringtemperature,themorethewaterloss.Meanwhile,thewitheringtemperaturehadeffectonthecha
4、ngesofbiochemicalcomponentsandqualityformationofwhitetea.Accordingtosensoryevaluation,witheringattheenvironmentof22℃and(70±5)%humidity,thewaterlosswouldbeaccordwiththephysicalandchemicalchanges,whichwasbenefitforthequalityofwhitetea.Keywords:whitetea;withering;humidityandtemperature;quality2
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