CAJ | 학술논문

为优化密集烘烤工艺，提升烟叶质量特色，对密集烘烤关键温度点不同稳温时间的烟叶颜色参数和质体色素变化进行了研究。结果表明，烘烤过程变黄期关键温度点时间延长，烟叶亮度值、黄度值和叶片饱和度增加；随着定色期关键温度点时间的延长，亮度值降低，但对烟叶黄度值和叶片饱和度影响较小；红度值则随着各关键温度点稳温时间的延长而增加，主脉红度值只有在延长54℃稳温时间时能明显提高；色度角随着稳温时间的延长而降低，烟叶颜色偏向橘黄；在42℃和54℃延长时间有利于降低烟叶正背面色差值；叶绿素和类胡萝卜素随着烘烤时间的延长降解转化更彻底。因此，密集烘烤关键温度点延长稳温时间，在38℃稳温24 h，42℃稳温16 h，47℃稳温20 h，54℃稳温16 h，烟叶内质体色素降解更充分，烤后烟叶颜色和色度增强。
위우화밀집홍고공예，제승연협질량특색，대밀집홍고관건온도점불동은온시간적연협안색삼수화질체색소변화진행료연구。결과표명，홍고과정변황기관건온도점시간연장，연협량도치、황도치화협편포화도증가；수착정색기관건온도점시간적연장，량도치강저，단대연협황도치화협편포화도영향교소；홍도치칙수착각관건온도점은온시간적연장이증가，주맥홍도치지유재연장54℃은온시간시능명현제고；색도각수착은온시간적연장이강저，연협안색편향귤황；재42℃화54℃연장시간유리우강저연협정배면색차치；협록소화류호라복소수착홍고시간적연장강해전화경철저。인차，밀집홍고관건온도점연장은온시간，재38℃은온24 h，42℃은온16 h，47℃은온20 h，54℃은온16 h，연협내질체색소강해경충분，고후연협안색화색도증강。
In order to optimize the bulk curing technology and improve the quality of tobacco leaves,the changes of color parameters and pigment of tobacco leaves were studied with optimum time of constant temperatures of key temperatures of bulk curing combination.The results showed that,with prolonging the of constant temperatures of yellowing stage key tem-peratures,values of brightness (L)and yellow (b)of tobacco leaves and saturation of leaves without vein presented in-creasing trends and yellowing temperature advanced.And the values of brightness (L)decreased and there were little influ-ence on yellow values (b)of leaves and saturation of leaves without vein,with prolonging the of constant temperatures of leaf-drying stage key temperatures.With prolonging the of constant temperatures of key temperatures of bulk curing,the red values (a)of tobacco leaves without vein showed increasing trends and chroma angle (H°)of tobacco leaves which turned croci.But the red values of principal vein improved obviously by only prolong the stable times of 54℃.And prolon-ging the of constant temperatures of key temperature especially 42℃and 54℃would be beneficial to reducing color differ-ence between the front and back of tobacco leaves.Chlorophyll and carotenoid would degrade and transform completely.So prolonging the of constant temperatures of key temperatures during bulk curing,38℃24 h,42℃ 16h,47℃20 h and 54℃16 h,chromoplast pigment would degrade completely and color and chroma of flue-cured tobacco leaves would enhance.