烤烟在烘烤过程中水分和化学成分的变化

中国烟草科学 Pub Date : 2000-01-01 DOI:10.3381/0082-4623-44.1.51

Y. Abubakar, J. H. Young, W. Johnson, W. Weeks

{"title":"烤烟在烘烤过程中水分和化学成分的变化","authors":"Y. Abubakar, J. H. Young, W. Johnson, W. Weeks","doi":"10.3381/0082-4623-44.1.51","DOIUrl":null,"url":null,"abstract":"Abstract The present study represents a portion of an effort to develop mathematical models for predicting changes in moisture and chemical composition of flue-cured tobacco during curing. In two experiments, concentrations of chlorophyll, starch, reducing sugars, and total alkaloids (as well as moisture contents) were measured. In the first experiment, tobacco was yellowed at temperatures of 30°C, 35°C, and 40°C with 3.33°C wet-bulb depression. In the second experiment, tobacco was yellowed at 35°C with wet-bulb depressions of 1.67°C, 3.33°C, and 5°C (or approximately 89, 81, and 70% relative humidity, respectively). In general, concentrations of chlorophyll and starch in the leaves decreased during curing, whereas concentrations of reducing sugars increased, and total alkaloids remained relatively unchanged. Yellowing temperature had no significant effect on moisture content at the end of the yellowing and leaf drying stages, nor on chlorophyll at the end of the yellowing stage and starch at the end of ...","PeriodicalId":10257,"journal":{"name":"中国烟草科学","volume":"122 1","pages":"51-58"},"PeriodicalIF":0.0000,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":"{\"title\":\"CHANGES IN MOISTURE AND CHEMICAL COMPOSITION OF FLUE-CURED TOBACCO DURING CURING1\",\"authors\":\"Y. Abubakar, J. H. Young, W. Johnson, W. Weeks\",\"doi\":\"10.3381/0082-4623-44.1.51\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Abstract The present study represents a portion of an effort to develop mathematical models for predicting changes in moisture and chemical composition of flue-cured tobacco during curing. In two experiments, concentrations of chlorophyll, starch, reducing sugars, and total alkaloids (as well as moisture contents) were measured. In the first experiment, tobacco was yellowed at temperatures of 30°C, 35°C, and 40°C with 3.33°C wet-bulb depression. In the second experiment, tobacco was yellowed at 35°C with wet-bulb depressions of 1.67°C, 3.33°C, and 5°C (or approximately 89, 81, and 70% relative humidity, respectively). In general, concentrations of chlorophyll and starch in the leaves decreased during curing, whereas concentrations of reducing sugars increased, and total alkaloids remained relatively unchanged. Yellowing temperature had no significant effect on moisture content at the end of the yellowing and leaf drying stages, nor on chlorophyll at the end of the yellowing stage and starch at the end of ...\",\"PeriodicalId\":10257,\"journal\":{\"name\":\"中国烟草科学\",\"volume\":\"122 1\",\"pages\":\"51-58\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2000-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"9\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"中国烟草科学\",\"FirstCategoryId\":\"1091\",\"ListUrlMain\":\"https://doi.org/10.3381/0082-4623-44.1.51\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"中国烟草科学","FirstCategoryId":"1091","ListUrlMain":"https://doi.org/10.3381/0082-4623-44.1.51","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 9

摘要

摘要本研究是建立预测烤烟在烘烤过程中水分和化学成分变化的数学模型的一部分。在两个实验中，测量了叶绿素、淀粉、还原糖和总生物碱的浓度(以及水分含量)。在第一个实验中，烟草在30°C、35°C和40°C的温度下变黄，湿球差为3.33°C。在第二个实验中，烟草在35°C下变黄，湿球压分别为1.67°C、3.33°C和5°C(或相对湿度分别约为89、81和70%)。总的来说，在烘烤过程中，叶绿素和淀粉的浓度降低，而还原糖的浓度增加，而总生物碱的浓度保持相对不变。黄变温度对黄变末和叶片干燥期水分含量无显著影响，对黄变末叶绿素含量和黄变末淀粉含量无显著影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

CHANGES IN MOISTURE AND CHEMICAL COMPOSITION OF FLUE-CURED TOBACCO DURING CURING1

Abstract The present study represents a portion of an effort to develop mathematical models for predicting changes in moisture and chemical composition of flue-cured tobacco during curing. In two experiments, concentrations of chlorophyll, starch, reducing sugars, and total alkaloids (as well as moisture contents) were measured. In the first experiment, tobacco was yellowed at temperatures of 30°C, 35°C, and 40°C with 3.33°C wet-bulb depression. In the second experiment, tobacco was yellowed at 35°C with wet-bulb depressions of 1.67°C, 3.33°C, and 5°C (or approximately 89, 81, and 70% relative humidity, respectively). In general, concentrations of chlorophyll and starch in the leaves decreased during curing, whereas concentrations of reducing sugars increased, and total alkaloids remained relatively unchanged. Yellowing temperature had no significant effect on moisture content at the end of the yellowing and leaf drying stages, nor on chlorophyll at the end of the yellowing stage and starch at the end of ...

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

中国烟草科学烟草

自引率

0.00%

发文量

3722

期刊介绍： Chinese Tobacco Science is an academic scientific journal (bimonthly) under the supervision of the Ministry of Agriculture and Rural Affairs of the People's Republic of China, and sponsored by the Tobacco Research Institute of the Chinese Academy of Agricultural Sciences and the Qingzhou Tobacco Research Institute of China National Tobacco Corporation. It was founded in 1979 and is publicly distributed nationwide. The journal mainly publishes academic papers on scientific research results, new production technologies, and modern management in my country's tobacco science research and tobacco production technology. In addition, it also publishes forward-looking review articles in the field of tobacco research. There are columns such as tobacco genetics and breeding, cultivation technology, modulation and processing, physiology and biochemistry, plant protection, review or monograph, quality chemistry, etc.