云南黄金走廊烟叶品质亚型划分及特点分析

    Subtype classification and quality characteristics analysis of tobacco leaf in tobacco growing areas of Yunnan 耶Golden Corridor爷

    • 摘要: 对云南黄金走廊烟区进行品质亚型划分,并分析每个亚型烟叶的品质特点,收集了云南黄金走廊烟区53个县代表性烟叶样品,对其外观质量、物理特性、化学成分和风格特征等79个指标进行分析,利用聚类分析和方差分析等方法,划分黄金走廊烟区亚型,找出亚型间主要差异性指标,总结各亚型烟叶品质特点。结果表明:根据烟叶品质,可将云南黄金走廊烟区划分为3个品质亚型。其中,亚型I烟叶成熟度好、油分较足,叶片较厚、叶面密度较大、填充值较高,总氮、烟碱、石油醚提取物、致香物质含量较高,烟叶清甜香、果香、烘焙香、酸香香韵比较突出;亚型II烟叶颜色桔黄、成熟度好,烟叶拉力,单叶重较大,延伸率、平衡含水率较高,烟叶氮碱比较高,5-甲基糠醇、面包酮、新植二烯含量较高,烟叶干草香、烘焙香、坚果香香韵比较突出;亚型III烟叶叶片结构疏松、身份适中、油分较足、色度较强,烟叶含梗率较低,还原糖含量较高,糖碱比较高,烟叶蜜甜香、青滋香、辛香香韵比较突出。

       

      Abstract: This study made classification of the Yunnan ‘Golden Corridor’tobacco growing areas according to the quality index and analyzed the characteristics of each subtype. Samples of 53 counties in Yunnan ‘Golden Corridor'tobacco growing areas were collected and appearance quality, 79 indexes including physical characteristics, chemical component and organoleptic quality were compared. Cluster analysis and variance analysis were used to do the classification. Differential quality index were found and the characteristics of each subtype were induced. The result showed that Yunnan ’Golden Corridor爷tobacco growing areas could be classified into three subtypes and each subtype had its own characteristics. Leaves of subtype I had good maturity and soil, higher thickness, leaf density and filling power, higher total nitrogen, alkaloid, petroleum ester extract and flavor related compounds content, outstanding fresh sweetness, fruity, baked and acidic note. Leaves of subtype II had orange color, good maturity, higher stretching force, leaf weight, extension ability and equilibrium moisture content, higher nitrogen to alkaloid ratio, (5 -Methyl -2 -furyl) methanol and neophytadiene content, outstanding hay, baked, nutty note. Leaves of subtype III had loose structure, good body and soil, stronger chroma, lower stem content, higher reducing sugar content and sugar to alkaloid ratio, outstanding honey, green, spicy note.

       

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