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    • 3. 发明授权
    • Reduction of phenolic compound precursors in tobacco
    • 烟草中酚类化合物前体的还原
    • US07581543B2
    • 2009-09-01
    • US11104636
    • 2005-04-13
    • Thomas E. McGrathNaren K. MeruvaW. Geoffrey ChanMarc R. KraussDarin Colassaco
    • Thomas E. McGrathNaren K. MeruvaW. Geoffrey ChanMarc R. KraussDarin Colassaco
    • A24D1/00
    • A24B15/24
    • A tobacco rod having reduced levels of at least one phenolic compound precursor selected from the group consisting of gentisic acid, 3,4-dihydroxybenzoic acid, chlorogenic acid, rutin, scopoletin, quinic acid, a quinic acid derivative, caffeic acid, inositol and lignin. The concentration in mainstream smoke of phenolic compounds such as phenol, hydroquinones (e.g., hydroquinone, methyl hydroquinone and 2,3-dimethyl hydroquinone), catechols (e.g., p-coumaryl quinic acid, feruloyl quinic acid and syringoyl quinic acid) and cresols (e.g., o-cresol, m-cresol and p-cresol) can be reduced by reducing the concentration in uncured (e.g., green) or cured tobacco of the phenolic compound precursors. The concentration of phenolic compound precursors in tobacco can be reduced by forming an extract of tobacco solubles, removing phenolic compound precursors from the extract by treating the extract with polyvinylpolypyrrolidone or polyvinylimidazole in the absence of an enzyme to form a treated extract; and restoring the treated extract to the tobacco.
    • 一种具有降低水平的至少一种选自龙胆酸,3,4-二羟基苯甲酸,绿原酸,芦丁,scopoletin,奎尼酸,奎尼酸衍生物,咖啡酸,肌醇和木质素的酚类化合物前体的烟草棒 。 苯酚,氢醌(如氢醌,甲基氢醌和2,3-二甲基氢醌),儿茶酚(如对香豆酰奎宁酸,阿魏酰奎尼酸和丁香酰奎宁酸)和酚类化合物 例如邻甲酚,间甲酚和对甲酚)可通过降低酚类化合物前体的未固化(例如,绿色)或固化烟草中的浓度来降低。 烟草中酚类化合物前体的浓度可以通过形成烟草可溶物的提取物,通过在不存在酶的情况下用聚乙烯吡咯烷酮或聚乙烯基咪唑处理提取物从提取物中除去酚类化合物前体而形成经处理的提取物; 并将经处理的提取物恢复到烟草中。
    • 5. 发明申请
    • Reduction of phenolic compound precursors in tobacco
    • 烟草中酚类化合物前体的还原
    • US20050279374A1
    • 2005-12-22
    • US11104636
    • 2005-04-13
    • Thomas McGrathNaren MeruvaW. ChanMarc KraussDarin Colassaco
    • Thomas McGrathNaren MeruvaW. ChanMarc KraussDarin Colassaco
    • A24B15/24A24D1/00
    • A24B15/24
    • A tobacco rod having reduced levels of at least one phenolic compound precursor selected from the group consisting of gentisic acid, 3,4-dihydroxybenzoic acid, chlorogenic acid, rutin, scopoletin, quinic acid, a quinic acid derivative, caffeic acid, inositol and lignin. The concentration in mainstream smoke of phenolic compounds such as phenol, hydroquinones (e.g., hydroquinone, methyl hydroquinone and 2,3-dimethyl hydroquinone), catechols (e.g., p-coumaryl quinic acid, feruloyl quinic acid and syringoyl quinic acid) and cresols (e.g., o-cresol, m-cresol and p-cresol) can be reduced by reducing the concentration in uncured (e.g., green) or cured tobacco of the phenolic compound precursors. The concentration of phenolic compound precursors in tobacco can be reduced by forming an extract of tobacco solubles, removing phenolic compound precursors from the extract by treating the extract with polyvinylpolypyrrolidone or polyvinylimidazole in the absence of an enzyme to form a treated extract; and restoring the treated extract to the tobacco.
    • 一种具有降低水平的至少一种选自龙胆酸,3,4-二羟基苯甲酸,绿原酸,芦丁,scopoletin,奎尼酸,奎尼酸衍生物,咖啡酸,肌醇和木质素的酚类化合物前体的烟草棒 。 苯酚,氢醌(如氢醌,甲基氢醌和2,3-二甲基氢醌),儿茶酚(如对香豆酰奎宁酸,阿魏酰奎尼酸和丁香酰奎宁酸)和酚类化合物 例如邻甲酚,间甲酚和对甲酚)可通过降低酚类化合物前体的未固化(例如,绿色)或固化烟草中的浓度来降低。 烟草中酚类化合物前体的浓度可以通过形成烟草可溶物的提取物,通过在不存在酶的情况下用聚乙烯吡咯烷酮或聚乙烯基咪唑处理提取物从提取物中除去酚类化合物前体而形成经处理的提取物; 并将经处理的提取物恢复到烟草中。