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Acta Tabacaria Sinica
ZHONGGUO YANCAO XUEBAO
Bimonthly
Inaugurated in 1992

Superintended by:
China Association for Science and Technology
Sponsored by:
Chinese Tobacco Society
Editor-in-Chief: YUAN Xingsi
Deputy Editor-in-Chief:
Editors: HA Junli, LIU Xinhua,
             AI Jitao, ZHANG Zheng
English Proofread by:
ZHAO Baidong, XIAO Boxue
Published by:
Editorial Office of Acta Tabacaria Sinica
Address: No.55 Yuetan South Street, Xicheng District, Beijing
Post Code: 100045
Tel: (86-10)63605768, 63605021, 63606237, 63605769, 63606007
Fax: (86-10)63605760
Email: xh-bj@tobacco.gov.cn
ISSN 1004-5708
CN 11-2985/TS

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Studies on the Relationship of Carbon and Nitrogen Metabolism to Leaf Flavor Quality in Flue-cured Tobacco
Shi Hongzhi, Han Jinfeng, Liu Guoshun, Wang Yanting
ACTA TABACARIA SINICA    1998, 4 (2): 56-63.  
Abstract   PDF (507KB)  
In this paper, we proposed using the C/N and NR/IV as the index to evaluate the coordination of C and N metabolism and the flavor quality. Correlation analysis showed that the quadratic curve correlation existed among total sensory smoking score and the activity of NR, amylase, invertase, NR/IV, C/N, the content of protein, nicotine,reducing sugar, total amino acid. Among them, the C/N and NR/IV have the highest correlation with sensory smoking score. Therefore, maintaining the suitable C and N metaholism level and reasonable dynamic changing model was essential to obtain the highest leaf quality. lt was obtained that at 43, 60, 73, 90 days after transplanting(DATP), the best C/N value were 10.59, 11.51, 15.22 and 18.85, respectively. Before 60 DATP, the increasing rate of C/N should be slow, after 60 DATP, entering the rapid growth period. The optimum C/N in cured leaf for obtaining the highest score was 17.11
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Cited: Baidu(172)
Effects of medium on tobacco transplant growth and development in floating system
Shi Xiangdong, Liu Guoshun, Chen Jianghua, Liu Jianli, Li Zhaoxia, Zhang Xiaoyong
ACTA TABACARIA SINICA    2001, 7 (1): 18-22.  
Abstract   PDF (198KB)  
Experiments were carried out to study the effects of medium on tobacco transplant growth and development in floating system. Results showed:1. The medium ratio played an important role to tobacco growth and development. In the media mix of peat, vermiculite and fine perlite, peat ratio at 50%~70% was suitable to tobacco root development. The ratio above 80% or under 40% was unfavorable for tobacco growing and developing. 2. Rotted crow straw instead of peat was feasible. It is suggested to take advantage of the native source as medium materials. 3. When filling, the medium volume-weight in cells of tray at 0.15mg/L~0.25mg/L gave good results by using Sunshine Tobacco Mix LT5 (Amercian medium) as the experiment material. 4. Medium with small quantity fertilizers (under 50mg/kg) were benefit to tobacco seedling growth. In upper of the medium, the element accumulation of N,Ca,Mg, Cu, Fe and Mn may be harmful to the plant. 5. Comparing with the traditional tobacco transplant production, floating system gave the good solution for producing quality transplant, this high quality tobacco.
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Cited: Baidu(136)
Analysis of important aroma components in flue-cured tobacco leaves from different ecological regions
Zhou Shuping, Xiao Qiang, Chen Yejun, Xuan Junfeng, Tang Yuanju
ACTA TABACARIA SINICA    2004, 10 (1): 9-16.  
Abstract   PDF (550KB)  
The important aroma components in flue-cured tobacco leaves from eight different ecological regions were qualitatively and quantitatively determined. Results showed that the content of the important aroma components in flue-cured tobacco leaves was affected by different ecological conditions. The important aroma components in tobacco leaves existed difference among different growing areas and the position of leaves on the plant. There were some influences under the cultivated conditions.
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Cited: Baidu(129)
Relationship between climate factors and leaf chemical composition in some tobacco leaf production areas in China
Dai Mian
ACTA TABACARIA SINICA    2000, 6 (1): 27-34.  
Abstract   PDF (283KB)  
Climate factors can play a very big role in leaf quality in different areas of China. Result of this investigation has shown that day length,rainfall and temperature are among the most important factors that affect the chemical composition, which in turn determine the quality of tobacco leaf.
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Cited: Baidu(122)
The Evaluation of the Chemical Elements and Some Organic Components in Flue-Cured Leaf Tobacco from the Main Tobacco Production Provinces of China
Hu Guosong, Zhao Yuankuan, Cao Zhihong, Zhao Xing, Zhao Zhenshan, Chen Jianhua, Zhang Xin, Zhou Xiuru, Li Zhonglin
ACTA TABACARIA SINICA    1997, 3 (1): 36-44.  
Abstract   PDF (585KB)  
The contents of N,P,K,Ca,Mg, S, Cl, Fe, Mn, Cu, Zn, B, Mo, Na, Al, Cd,nicotine and reducing sugar in flue-cured tobacco samples collected from Yunnan,Guizhou,Henan, Shandong, Anhui and Liaoning Provinces in 1993 and 1994 were analyzed and the results showed that P, Mg, S, Cu, Zn, B, nicotine and reducing sugar of most samples from all the provinces were in normal range. The average N content of tobacco leaves of China was 1.688%, and those from North China were less than those from South China, which indicated that the N dosage in South China was not so properly used as North China. The average K content was 1.81%, much higher than that in 60s and 70s. The K contents from South China, usually greater than 2.0%, were higher than those from North China, usually about 1.5%. The average Ca content was 3.45%, and greater than average K content. Some tobacco leaves might be in deficiency of Mg because of low available Mg content in the soil of South China or Ca-Mg unbalance in the calcareous soil of North China. More than 20% tobacco leaves contained S more than 0.8%, the critical content permitted for highest S content. As a whole Cl contents of more than 98% tobacco 1eaves were less than 1%, most of sarnples contained Cl less than 0.5% some of them were even less than 0.1%, but about 1% samples contained Cl more than 1.5%. There was little possibility of Fe deficiency in fluecured tobacco of China. Mn contents of tobacco leaves were low as a whole, but higher than the critial concentration. Cu contents of about 50% samples from Guizhou, Yunnan and Anhui Provinces, and some from the other provinces were less ahtn 15mg/kg,and so maybe the application of Cu fertilizer is necessary in China. Some samples from Henan Province contained n which could not be detected out, and Zn application is absolutely necessary in those soil. About half of the samples from Guizhou Provinces contain B less than 15mg/kg, and in such soil B fertilization is needed. Samples from Henan Province contained nicotine, 2.54%, and reducing sugar, 17.64%, very close to the best values of USA standard. Some Yunnan and Guizhou samples contained nicotine more than 5% and 6%, which were tnuch more than quality tobacco leaves needed.
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Cited: Baidu(114)
Analysis of variation of the contents of non-volatile organic acids and senior fatty acids in different flue-cured tobacco genotypes
LU Xiu-ping, XU Yi, XU Zi-cheng, XIAO Bing-guang, HE Deng-feng
ACTA TABACARIA SINICA    2007, 13 (3): 47-51.  
Abstract   PDF (214KB)  
Variation of content of non-volatile organic acids and senior fatty acids in 56 flue-cured tobacco genotypes was studied.Results indicated that: (1)There existed wide variation for non-volatile organic acids and senior fatty acids among different genotypes.Total content of non-volatile organic acids was (27.52±7.23)mg·g-1, among which the sum of malic acid, citric acid, and oxalic acid accounted for 84.92%.Total content of senior fatty acids was (10.11±1.24)mg·g-1, among which the saturated senior fatty acids was (4.52±0.48)mg·g-1 and the unsaturated senior fatty acids was (5.59±0.79)mg·g-1, accounting for 44.71% and 55.29%, respectively. (2)According to the content of various organic acids, geno-types were classified into 3 groups with high, medium, and low contents.Content of non-volatile organic acids from high to low were (35.28±3.23)mg·g-1, (25.96±1.91)mg·g-1, and (18.22±2.28)mg·g-1;content of saturated fatty acid were (5.35±0.26)mg·g-1, (4.62±0.17)mg·g-1, and (4.07±0.19)mg·g-1;content of unsaturated fatty acid were (7.05 ±0.57)mg·g-1, (5.78±0.29)mg·g-1, and (4.80±0.27)mg·g-1 in turn.In general, variation of content of the same organic acids category was big among different genotype clusters but small within clusters.
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Cited: Baidu(89)
Rapid determination of main chemical components in tobacco leaf by NIR diffuse reflectance spectroscopy
JIANG Jin-feng, ZHAO Ming-yue
ACTA TABACARIA SINICA    2006, 12 (2): 8-12.  
Abstract   PDF (215KB)  
FT-NIR was evaluated as a method to simultaneously analyze 17 chemical components in tobacco leaf. Spectra of 700 typical samples were collected to develop the calibration models, among which the raw spectra were pretreated with first derivative and partial least square. About 50 randomly selected validation samples were used to test the accuracy of each calibration model. The values of root mean square error of prediction (RMSEP) for total volatile acids, total volatile bases, total petroleum ether extracts, petroleum ether extracts neutral, polyphenol, starch, cellulose, sulfate, pH, ash, water soluble ash bases, total sugar, reductive sugar, total nitrogen, alkaloids, chlorine, and potassium were 0.020, 0.009, 0.402, 0.393, 0.578, 0.583, 0.932, 0.139, 0.117, 0.634, 0.235, 1.720, 1.407, 0.104, 0.173, 0.037, 0.300 respectively. The satisfactory results indicated that FT-NIR could be an alternative to the traditional wet chemical method to simultaneously analyze the above 17 chemical components in tobacco leaf. The utilization of FT-NIR as a quality control method will reduce costs and enhance efficiency for the tobacco industry.
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Cited: Baidu(85)
Study on the Neutral Flavour Constituents of Yunnan Flue-cured Tobacco
Xian Kefa, Shen Chaozhi, Qi Wanmin, Xian Qiaoling, Chen Yashen
ACTA TABACARIA SINICA    1992, 1 (2): 1-9.  
Abstract   PDF (637KB)  
The constituents of the neutral flavour of Yunnan flue-cured tobacco were investiqated using solvent extraction, headspace isolation, column chromatography, capillary gas chromatography, GC-MS and GC-IR.The several flavour fractions containing Yunnan tobacco characteristic flavour were sifted out and 129 constituents were identified from the fractions.The flavour reconstitution of Yunnan flue-cured tobacco was made according to the quantitative data of identified constituedts in main flavour fraction Ia.When the reconstituted composition of flavour was added to the cigartte making of the fluecured tobacco grown in northeast region of China, the flavour similar to Yunnan tobacco would be imparted to the cigarettes.The research shows that the characteristic flavour of Yunnan flue-cured tobacco consists of many kinds of flavorous constituents in certain proportion.This fact was confirmed by the comparative analysis of Yunnan flue-cured tobacco and Henan flue-cured tobacco that has the different characteristic flavour.
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Cited: Baidu(76)
Effects of transplanting timing on yield,quality,and photosynthesis characteristics in flue-cured tobacco
LIU De-yu, LI Shu-feng, LUO De-hua, YUAN Ye
ACTA TABACARIA SINICA    2007, 13 (3): 40-46.  
Abstract   PDF (370KB)  
Effects of transplanting timing on agronomic characters, economical characters, chemical composition, smoking quality, and photosynthesis characteristics of flue-cured tobacco were studied in Ning'an, Heilongjiang in 2005.Results showed that the suitable date for transplanting of flue-cured tobacco mulched by plastic in Ning' an was 10th May. Flue-cured tobacco transplanted around this date had higher dry-matter accumulation, yield, and output value.
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Cited: Baidu(76)
Influence of physico-chemical property of soil and the tobacco aroma composition by using organic fertilizer in the tobacco farmland
Liu Guoshun, Liu Shaosong, Jia Xincheng, Xu Chensheng
ACTA TABACARIA SINICA    2005, 11 (3): 29-33.  
Abstract   PDF (226KB)  
Influence of using different amounts of peat on the soil organic matter, physico-chemical property,the quantities of soil microorganism and the composition of tobacco aroma was studied in this experiment.As a result,it indicates that after using the grass-carbon fertilizer 8250-16500 kg/hm2,organic matter and humus of the soil,soil microorganism (including fungus,bacteria and actinonycetes) increase along with the amount of the peat.So does the total alcoholic of the tobacco aroma,but the total aldehyde is opposite.The total ketone increases a little.
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Cited: Baidu(70)
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