夜间保温对高海拔烤烟主要香气前体物及挥发性香气物含量的影响-论文.pdf

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1、烟草科技／TobaccoScience＆Technology烟草化学／TobaccoChemist~2014年第9期(总第326期)夜间保温对高海拔烤烟主要香气前体物及挥发性香气物含量的影响范幸龙，周冀衡，周越，李强，王绍坤，程昌新，贺丹锋‘1．湖南农业大学烟草研究院，长沙市芙蓉区农大路1号4101282．江苏中烟工业有限责任公司，南京市建邺区梦都大街30号2100193．红云红河烟草(集团)有限责任公司，昆明市北市区红锦路181号650202摘要：以云烟87和K326为材料，采用大田试验，系统研究了夜温升高对云南高海拔烤后烟叶中质体色素、多酚、非挥发性有机酸及挥发性香气物含量的

2、影响。结果表明：①夜温升高使两品种所有处理烟叶叶黄素、一胡萝卜素较对照极显著提高，K326下部叶和云烟87上部叶增幅最大；苹果酸含量较对照极显著升高，上部叶增幅最大；柠檬酸含量较对照极显著降低，下部叶降幅最大。②绿原酸含量K326上部叶显著升高，云烟87上部叶显著降低。③除K326下部叶外，其余处理的新植二烯含量均较对照极显著升高，香气物质总量(新植二烯除外)升高幅度最大的为K326中部叶和云烟87上部叶。夜温升高对云南高海拔地区K326中部叶和云烟87上部叶香气质量改善效果最好。关键词：烤烟；夜间温度；色素；多酚；有机酸；中性香气物；香气前体物中图分类号：TS411．1文献标识

3、码：B文章编号：1002—0861(2014)09—0033—06EffectsofNighttimeInsulationonContentsofMainAromaPrecursorsandVolatileAromaComponentsinFlue-curedTobaccoinHigh—altitudeAreasFANXinglong，ZHOUJiheng，ZHOUYue，LIQiang，WANGShaokun，CHENGChangxin，andHEDanfeng1．InstituteofTobacco，HunanAgriculturalUniversity,Changsha41

4、0128，China2．ChinaTobaccoJiangsuIndustrialCo．，Ltd．，Nanjing210019，China3．HongyunHongheTobacco(Group)Co．，Ltd．，Kunming650202，ChinaAbstract：AfieldexperimentonYunyan87andK326wasconductedtostudytheeffectsofnighttimeinsulationonthecontentsofplastidpigments，polyphenols，non—volatileorganicacidsandvolat

5、ilearomacomponentsinflue-curedtobaccointhehigh-altitudeareasinYunnan．Theresultsshowedthat：Comparingwiththecontrolgroups，1)Thecontentsofluteinand卢一caroteneinthetreatedtobaccoincreasedextremelysignificantly,particularlyinlowerleavesofK326andupperleavesofYunyan87；thecontentofmalicacidalsoextreme

6、lysignificantlyincreased，notablyinupperleaves；whilethecontentofcitricacidextremelysignificantlydecreased，itdecreasedthemostinlowerleaves．2)ThecontentofchlorogenicacidsignificantlyincreasedintheupperleavesofK326，whilesignificantlydecreasedintheupperleavesofYunyan87．3)Thecontentsofneophytadiene

7、inallsamples(exceptforthelowerleavesofK326)extremelysignificantlyincreased，andthetotalamountsofaromasubstances(excludingneophytadiene)increasedmoresignificantlyinthemiddleleavesofK326andtheupper1eavesofYunyan87．Nighttimeinsulationwasafavorabl