Characteristics of Main Chemical Components of Flue-cured Tobacco Leaves in Fujian Tobacco-growing Area

doi:10.11923/j.issn.2095-4050.cjas2020-0012

Abstract

Abstract:

The paper analyzed the characteristics of main chemical components of flue-cured tobacco leaves in Fujian tobacco-growing area, so as to provide references for production technology plan design, distribution optimization, and raw material purchase by cigarette corporations. The contents of total sugar, reducing sugar, total nitrogen, nicotine, starch, potassium, chlorine in tobacco leaf samples collected from 3 main tobacco-growing areas in Fujian from 2013 to 2019 were determined, the derivative values of the nitrogen/alkali ratio, sugar/alkali ratio, potassium/chlorine ratio, the difference of total sugar and reducing sugar were calculated, and finally a comparative analysis on annual change rules, cultivars, parts and regional characteristics of main chemical components of flue-cured tobacco leaves was conducted. The results showed that the contents of total sugar (32.9%), reducing sugar (23.1%), potassium (3.37%), starch (7.09%) were relatively high, while the content of chloride (0.20%) was relatively low. On annual changing characteristics, the variation coefficients of total nitrogen and sugar were less than 20%, and the variation coefficient of chlorine was 71.5%. There were significant differences in chlorine in tobacco leaves, but there was no significant difference in potassium and starch among different cultivars. ‘K326’ had least total sugar and reducing sugar, ‘Yunyan 87’ had the highest reducing sugar content. ‘CB-1’ had significantly less nicotine than both ‘K326’ and ‘Yunyan 87’. On producing area characteristics, tobacco leaves from Longyan showed the highest reducing sugar and the least starch contents, and tobacco leaves from Nanping showed the highest chlorine and the least potassium contents. There was no significant difference in total sugar, nicotine, nitrogen/alkali ratio and sugar/alkali ratio among the three producing areas. In summary, flue-cured tobacco leaves in Fujian showed relatively high contents of total sugar, reducing sugar, potassium, starch, appropriate contents of total nitrogen and nicotine, and relatively low content of chloride. The content of total nitrogen and sugar in the flue-cured tobacco leaves showed great stability and the content of chlorine had more volatility; main chemical components in tobacco leaves were quite different among the cultivars and producing areas, and significant differences were observed in different parts of tobacco leaves.

Key words: Fujian Tobacco-growing Area, Flue-cured Tobacco, Chemical Components, Characteristic, Comparative Analysis

CLC Number:

S131.3

Zhang Zhiling, Fang Quanxiang, Lin Zubin, Lin Haibin, Chen Qingwen, Lin Long, Chen Xingfeng. Characteristics of Main Chemical Components of Flue-cured Tobacco Leaves in Fujian Tobacco-growing Area[J]. Journal of Agriculture, 2021, 11(7): 60-64.

Figures/Tables 5

References 31

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年份	总糖/%	还原糖/%	烟碱/%	总氮/%	氯/%	钾/%	淀粉/%	氮碱比	糖碱比	钾氯比	两糖差/%
2013	32.8±4.4bc	22.9±4.3a	2.26±0.80ab	1.84±0.19c	0.15±0.11cd	3.52±0.76ab	4.89±2.72b	0.91±0.33b	11.7±5.7abc	32.0±15.4bc	9.9±5.0abc
2014	31.2±4.4c	22.5±4.2ab	2.62±0.86a	1.96±0.19ab	0.21±0.15bc	3.62±0.74a	8.04±3.31a	0.82±0.25bc	9.6±3.8bc	23.6±10.8cd	8.7±3.7c
2015	32.0±5.7bc	23.0±3.7a	2.62±0.95a	2.01±0.23a	0.29±0.19a	3.32±0.67abc	7.68±3.20a	0.86±0.28bc	10.5±5.5bc	16.2±9.3cd	9.0±3.7bc
2016	33.0±4.6bc	24.0±3.4a	2.04±0.86b	1.86±0.17bc	0.12±0.08d	3.29±0.76abc	7.38±2.55a	1.06±0.41a	13.8±5.7a	39.3±28.3b	9.0±3.8bc
2017	35.6±5.3a	24.1±3.5a	2.69±0.93a	1.87±0.25bc	0.15±0.11cd	3.03±0.58c	7.06±2.18a	0.75±0.19c	10.3±4.4bc	61.9±73.3a	11.5±3.4a
2018	31.7±4.7c	20.9±3.9b	2.58±0.77a	1.87±0.27bc	0.23±0.14ab	3.61±0.57a	7.21±1.67a	0.76±0.16bc	9.1±3.9c	21.3±13cd	10.8±3.4ab
2019	34.4±3.7ab	24.4±2.6a	2.48±0.95a	1.86±0.19bc	0.27±0.13ab	3.24±0.60bc	6.99±1.92a	0.86±0.34bc	11.8±5.6ab	14.8±7.2d	9.9±3.3abc
平均值	32.9±4.9	23.1±3.8	2.47±0.89	1.90±0.22	0.20±0.15	3.37±0.69	7.09±2.69	0.86±0.30	11.0±5.1	29.8±34.8	9.8±3.8
CV/%	14.9	16.5	36.2	11.7	71.5	20.6	37.9	35.2	46.8	116.7	39.2

年份	总糖/%	还原糖/%	烟碱/%	总氮/%	氯/%	钾/%	淀粉/%	氮碱比	糖碱比	钾氯比	两糖差/%
2013	32.8±4.4bc	22.9±4.3a	2.26±0.80ab	1.84±0.19c	0.15±0.11cd	3.52±0.76ab	4.89±2.72b	0.91±0.33b	11.7±5.7abc	32.0±15.4bc	9.9±5.0abc
2014	31.2±4.4c	22.5±4.2ab	2.62±0.86a	1.96±0.19ab	0.21±0.15bc	3.62±0.74a	8.04±3.31a	0.82±0.25bc	9.6±3.8bc	23.6±10.8cd	8.7±3.7c
2015	32.0±5.7bc	23.0±3.7a	2.62±0.95a	2.01±0.23a	0.29±0.19a	3.32±0.67abc	7.68±3.20a	0.86±0.28bc	10.5±5.5bc	16.2±9.3cd	9.0±3.7bc
2016	33.0±4.6bc	24.0±3.4a	2.04±0.86b	1.86±0.17bc	0.12±0.08d	3.29±0.76abc	7.38±2.55a	1.06±0.41a	13.8±5.7a	39.3±28.3b	9.0±3.8bc
2017	35.6±5.3a	24.1±3.5a	2.69±0.93a	1.87±0.25bc	0.15±0.11cd	3.03±0.58c	7.06±2.18a	0.75±0.19c	10.3±4.4bc	61.9±73.3a	11.5±3.4a
2018	31.7±4.7c	20.9±3.9b	2.58±0.77a	1.87±0.27bc	0.23±0.14ab	3.61±0.57a	7.21±1.67a	0.76±0.16bc	9.1±3.9c	21.3±13cd	10.8±3.4ab
2019	34.4±3.7ab	24.4±2.6a	2.48±0.95a	1.86±0.19bc	0.27±0.13ab	3.24±0.60bc	6.99±1.92a	0.86±0.34bc	11.8±5.6ab	14.8±7.2d	9.9±3.3abc
平均值	32.9±4.9	23.1±3.8	2.47±0.89	1.90±0.22	0.20±0.15	3.37±0.69	7.09±2.69	0.86±0.30	11.0±5.1	29.8±34.8	9.8±3.8
CV/%	14.9	16.5	36.2	11.7	71.5	20.6	37.9	35.2	46.8	116.7	39.2

品种	总糖/%	还原糖/%	烟碱/%	总氮/%	氯/%	钾/%	淀粉/%	氮碱比	糖碱比	钾氯比	两糖差/%
CB-1	33.6±5.4a	22.6±3.9b	2.30±0.99b	1.84±0.26b	0.14±0.11c	3.27±0.81a	7.01±3.19a	0.93±0.36a	12.1±6.1a	39.7±44.7a	11.0±4.4a
K326	31.7±4.7b	21.7±3.1b	2.52±0.83ab	1.93±0.19a	0.28±0.16a	3.37±0.61a	7.35±2.56a	0.85±0.29ab	9.9±4.3b	18.3±15.8b	10.0±3.4a
云烟87	33.2±4.5ab	24.6±3.7a	2.61±0.82a	1.93±0.20a	0.21±0.14b	3.47±0.62a	6.97±2.24a	0.81±0.25b	10.6±4.5ab	28.8±31.5b	8.6±3.3b

品种	总糖/%	还原糖/%	烟碱/%	总氮/%	氯/%	钾/%	淀粉/%	氮碱比	糖碱比	钾氯比	两糖差/%
CB-1	33.6±5.4a	22.6±3.9b	2.30±0.99b	1.84±0.26b	0.14±0.11c	3.27±0.81a	7.01±3.19a	0.93±0.36a	12.1±6.1a	39.7±44.7a	11.0±4.4a
K326	31.7±4.7b	21.7±3.1b	2.52±0.83ab	1.93±0.19a	0.28±0.16a	3.37±0.61a	7.35±2.56a	0.85±0.29ab	9.9±4.3b	18.3±15.8b	10.0±3.4a
云烟87	33.2±4.5ab	24.6±3.7a	2.61±0.82a	1.93±0.20a	0.21±0.14b	3.47±0.62a	6.97±2.24a	0.81±0.25b	10.6±4.5ab	28.8±31.5b	8.6±3.3b

部位	总糖/%	还原糖/%	烟碱/%	总氮/%	氯/%	钾%	淀粉/%	氮碱比	糖碱比	钾氯比	两糖差/%
X2F	34.6±4.6a	23.4±3.7a	1.69±0.45c	1.82±0.20b	0.21±0.15a	4.02±0.53a	5.47±2.37c	1.15±0.31a	15.0±5.3a	34.2±37.0a	11.2±3.8a
C3F	35.0±3.7a	24.2±3.3a	2.34±0.58b	1.82±0.19b	0.18±0.14a	3.36±0.43b	7.46±2.30b	0.81±0.16b	11.1±3.5b	34.8±39.9a	10.8±3.8a
B2F	29.2±4.0b	21.7±3.9b	3.39±0.62a	2.05±0.19a	0.22±0.14a	2.74±0.41c	8.33±2.58a	0.62±0.10c	6.8±2.3c	20.5±23.9b	7.4±2.8b