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1、第21卷第4期云南农业大学学报Vol.21No.42006年8月JournalofYunnanAgriculturalUniversityAug.2006*老树茶与台地茶品质比较研究梁名志,夏丽飞,张俊,方成刚,陈继伟,陈林波,段志芬,孙荣琴(云南省农业科学院茶叶研究所,云南勐海666201)摘要:以云南省西双版纳州勐海县南糯山、勐腊县易武和思茅市澜沧县景迈3地的古老茶园和台地茶园的蒸青茶、晒青茶为样品,从感官审评、内含品质化学成分和矿物质元素检测分析展开对比研究,得出:(1)老树茶口感要优于台地茶,主要表现在滋味协
2、调、味厚回甘好;而就不同产地来讲,各地的老树茶品质风格又有异,诸如南糯茶山的茶味较浓强、易武的鲜活度高、景迈的醇厚度好等,这均与品质化学成分有关联。(2)从理化成分与矿物质含量来看,老树茶与台地茶各有千秋,不能简单、武断地讲谁优谁劣、谁好谁差。老树茶中的灰分、水浸出物、钙含量显著低于台地茶,差异分别达5%,1%,1%水平;从平均含量上看老树茶的茶多酚、儿茶素、总糖、寡糖和铁、铜、锰微量元素含量较台地茶的高,而台地茶在灰分、水浸出物、氨基酸、多糖、黄酮及硼、锌、硫、磷、钾、钙、镁的含量上则高于老树茶。关键词:茶叶;老树
3、茶;台地茶;品质研究中图分类号:S571.1.033文献标识码:A文章编号:1004-390X(2006)04-0493-05StudyonQualityComparisonofOldPlantTeaandTablelandTeaLIANGMing-zhi,XIALi-fei,ZHANGJun,FANGCheng-gang,CHENJi-wei,CHENLin-bo,DUANZhi-fen,SUNRong-qin(TeaResearchInstitute,YunnanAcademyofAgriculturalScie
4、nces,Menghai666201,China)Abstract:Thestudywasconductedonthesensoryquality,chemicalcomponentandmineralofthesteaminggreenteaandsun-dryteafromoldteagardenandtablelandteagardenofthreedifferentdis-tricts,suchasNannuoMountain,Menghaicounty,Yiwu,MenglacountyandJingmai
5、,Lancangcounty.Theresultsshowing:(1)Thetasteofoldplantteaisbetterthanthatoftablelandtea,mainlyinflavorharmonious,strongandre-swee.tAsfordiverseproductionarea,thequalityofoldplantteaisdifferent,suchasintaste,strongerandmorefullinNannuo,briskerinYiwu,richerandmor
6、efullinJingmai,whichisallconnectedwithqualitycomponen.t(2)Fromcomponentandthecontentofmineral,oldplantteaandtablelandteahavetheirowntopquality.Thecontentofash,waterextractsandCaoftheoldplantteaisobviouslylowerthanthatoftablelandtea,andthedifferenceis5%,1%,1%res
7、pec-tively.Fromtheaverage,thecontentofoldplantteaishigherthanthatoftablelandteainpolyphenols,catechins,totalcarbohydrates,oligosaccharidesandFe,Cu,Mn.However,theresultisconverseinthecontentofash,waterextracts,aminoacids,polysaccharides,flavoneandB,Zn,S,P,K,Ca,M
8、g.Soitsuggeststhatweshouldevaluateandchooseseriouslyandcalmlytheabovetwoteas.Keywords:tea;oldplanttea;tablelandtea;qualitystudy收稿日期:2005-08-24*基金项目:云南省重点基金项目资助(2003C0007Z)作者
