数字农科院2.0

上部烟叶灰分及其钙、镁、硫、磷含量与烟叶品质的关系及近红外模型研究

文献类型： 中文期刊

关键词： 灰分;;钙;;镁;;硫;;磷;;外观质量;;物理指标;;感官质量评分;;近红外模型

期刊名称：江苏农业科学

ISSN： 1002-1302

年卷期： 2025 年

页码：

收录情况： 北大核心（2023版） ; ; 科技核心（2024版） ; ; 农林核心（2024版）

摘要： 为明确灰分及其钙、镁、硫、磷对上部烟叶品质的影响，选取2020年全国12个省份27个产烟区111份代表性烤烟样品（等级为上桔二（B2F ）），比较总灰分及钙、镁、硫、磷在不同种植区域、不同外观质量的含量差异及其与物理指标、常规化学成分、感官评吸指标之间的关系，并建立近红外数学模型。结果表明，不同种植区域灰分、钙、镁、硫、磷含量差异显著，且不同成分在不同种植区域含量分布规律不一致；不同外观质量上部烟叶对灰分、钙、镁、磷含量均有显著影响，其中颜色的影响最小；4项物理指标与硫和磷含量呈极显著负相关，叶片宽度、叶面密度与钙和镁含量呈显著或极显著正相关，灰分与物理指标相关性不显著；灰分、钙含量与常规化学成分含量（烟碱含量除外）均存在显著或极显著相关关系，尤其是灰分含量与总糖、还原糖等含量的相关性最高，相关系数分别达0.674 4、0.644 6；灰分含量与感官质量评分之间存在极显著负相关关系，随灰分含量升高，其细腻感、清晰度、香气量、杂气、润感，刺激性、余味等评分及评吸总分越低，灰分含量大于9.5%，样品评分显著降低；灰分含量与钙、镁、硫含量均建立了较好的近红外数学模型，校正模型及交叉验证模型相关系数均在0.95以上，可以用于上部烟叶灰分、及钙、镁、硫含量的快速检测。综上，灰分含量是影响上部烟叶品质的关键因素。

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