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白肋烟TN90晾制期淀粉降解与淀粉酶活性及糖类动态研究 被引量:2
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作者 柴家荣 刘敬业 +8 位作者 字正东 尚志强 杨宏光 雷丽萍 黄学跃 字萍 管仕军 戴福斌 李堂 《昆明师范高等专科学校学报》 2003年第4期62-65,共4页
白肋烟是典型的晾烟 ,调制过程在特定的晾房中进行 ,历时 5 6d ,在此过程中 ,淀粉酶、淀粉、可溶性总糖、还原糖都随晾制进程而下降、随叶位升高而增添 ,且彼此的动态相关联 .淀粉酶活性降幅较快的时间在晾制的3~ 6d ,比淀粉含量下降... 白肋烟是典型的晾烟 ,调制过程在特定的晾房中进行 ,历时 5 6d ,在此过程中 ,淀粉酶、淀粉、可溶性总糖、还原糖都随晾制进程而下降、随叶位升高而增添 ,且彼此的动态相关联 .淀粉酶活性降幅较快的时间在晾制的3~ 6d ,比淀粉含量下降较快的时间稍有滞后 ,它的消长规律还与叶片含水率变化正相关 .晾制结束时 ,上、中、下各叶位淀粉、可溶性总糖、还原糖含量均在优质白肋烟适宜化学成分指标范围内 ,证实当地现行生产技术规范切实可行 . 展开更多
关键词 白肋烟 晾制 淀粉酶 糖类动态
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晾制期间白肋烟TN86淀粉酶活性、淀粉及糖类的变化 被引量:9
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作者 柴家荣 李天飞 +4 位作者 杨宏光 尚志强 刘敬业 黄学跃 管仕军 《烟草科技》 EI CAS 2002年第9期21-24,共4页
对白肋烟晾制期间淀粉降解与淀粉酶活性及还原糖变化动态进行了研究 ,结果表明 ,淀粉酶活性 ,淀粉、可溶性总糖、还原糖含量均随晾制过程的推进而下降 ,随叶位升高而增加 ,且彼此的变化动态相关联。淀粉酶活性降幅较快的时期在晾制的 3... 对白肋烟晾制期间淀粉降解与淀粉酶活性及还原糖变化动态进行了研究 ,结果表明 ,淀粉酶活性 ,淀粉、可溶性总糖、还原糖含量均随晾制过程的推进而下降 ,随叶位升高而增加 ,且彼此的变化动态相关联。淀粉酶活性降幅较快的时期在晾制的 3~ 6d ,比淀粉含量下降较快的时间稍有滞后 ,其消长规律还可能与叶片含水率变化呈正相关。晾制结束时 ,上、中、下各部位烟叶中淀粉、可溶性总糖、还原糖含量均在优质白肋烟所要求的适宜化学成分指标范围内。 展开更多
关键词 淀粉酶活性 白肋烟 晾制 糖类动态
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Content Variation of Active Components in Mulberry Fruit During Ripening Process
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作者 殷浩 佟万红 +4 位作者 黄盖群 危玲 刘刚 王振江 李勇 《Agricultural Science & Technology》 CAS 2012年第10期2084-2087,共4页
Ten mulberry species were taken as materials to detect contents of DNJ,polysaccharide and flavonoid.The results indicated that the three active components differed significantly upon species.Hongguo 2 and Shushen 1,wh... Ten mulberry species were taken as materials to detect contents of DNJ,polysaccharide and flavonoid.The results indicated that the three active components differed significantly upon species.Hongguo 2 and Shushen 1,which are of high contents of active components,were selected as materials to measure contents change of active components in fresh fruits during ripening process after full-bloom stage.The research suggested that DNJ mass fractions of Hongguo 2 and Shushen 1 on the 3rd d in full-bloom stage were 0.074 1% and 0.072 5%;DNJ declined gradually with growth of the fruit and DNJ contents in the two cultivars decreased by 49.80% and 58.90% on the 31st d in full-bloom stage,compared with the 3rd d.As mulberry grew,polysaccharide contents in Hongguo 2 and Shushen 1 were increasing and achieved peaks on the 27th d in full-bloom stage at 9.570% and 10.276%,respectively.For total flavonoids,the contents in Hongguo 2 and Shushen 1 were both of two peaks on 11th d and 27th d.The mass fractions were 0.313%,0.444%,and 0.264%,0.326%,accordingly.In addition,DNJ contents in ripe seeds of Hongguo 2 and Shushen 1 were significantly higher than those in fruit,but total flavonoid contents were lower.Polysaccharide was not detected.It can be concluded that mulberry fruits growing for 27 d can be either as excellent food or for medicine. 展开更多
关键词 Mulberry fruit 1-deoxynojimycin POLYSACCHARIDE Flavonoid compound Dynamic change
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