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云南曲靖烤烟主要化学成分变异规律的研究 被引量:6

Variation Regularity of Major Chemical Composition in Flue-cured Tobacco of Qujing
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摘要 为全面了解曲靖烟区烤烟主要化学成分的分布状况,采集了曲靖主产烟区9个县(市、区)5个主栽品种的B2F,C3F,X2F3个等级烤烟样本6381份,测定了烟叶可溶性糖、还原糖、总植物碱、总氮、钾、氯、淀粉、硫含量,研究了曲靖烤烟化学成分特征及其相互关系。结果表明:曲靖烤烟总糖、淀粉含量偏高,还原糖、总氮、烟碱、硫含量适宜,钾、水溶性氯含量偏低。K326的糖和淀粉含量显著低于其它品种,总氮、烟碱、钾和水溶性氯含量显著高于其它品种,硫含量以红花大金元最高,云烟85和云烟87的化学成分差异不明显。除水溶性氯含量外,其他化学成分在各地间差异较小。除水溶性氯和钾外,其余化学指标间的相关性均达极显著或显著水平。 In order to find out the distribution of major chemical composition in flue-cured tobacco from tobaccogrowing area of Qujing, the characteristics of chemical composition in flue-cured tobacco and its correlation between each others were studied by detecting the contents of soluble sugar, reducing sugar, total alkaloid, total nitrogen, potassium, chlorine, starch and sulfur in 6 381 samples of flue-cured tobacco, which were five main cuhivars with 3 levels (B2F, C3F, X2F) and collected from nine Counties (Cities and Districts) of Qujing main tobacco-growing area. The results showed that the contents of total sugar and starch in Qujing flue-cured tobacco were higher; the contents of reducing sugar, total nitrogen, total alkaloid and sulfur were suitable; the contents of potassium and chlorine were lower. The contents of sugar and starch in variety of K326 were significantly lower than that of the other varieties; the contents of total nitrogen, total alkaloid, potassium and chlorine were significantly higher that of the than other varieties. The content of sulfur in Honghuadayuan was the highest. The difference of chemical composition between Yunyan85 and Yunyan87 was not significant. The difference of other chemical compositions in flue-cured tobacco from each area was small, except chlorine's. The correlations between each chemical compositions reached significant or extremely significant level, except potassium and chlorine's.
出处 《湖南农业科学》 2009年第12期40-42,共3页 Hunan Agricultural Sciences
基金 烟草工商研共建品牌与原料协同发展机制项目 天香工程项目
关键词 烤烟 化学成分 相关性 曲靖烟区 flue-cured tobacco chemical composition relativity Qujing tobacco-growing area
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