Tobacco Science & Technology, 2009, 8, p. 46-9, ISSN.1002-0861
Comparison of chemical component contents in tobacco leaf veins
Hunan Agricultural University, Key Laboratory of Tobacco Science and Health, Changsha, China
Using ripe middle leaves of flue-cured tobacco cv. Honghuadajinyuan as experimental material, the contents of nonvolatile organic acids, lignin, soluble sugar and nicotine in primary veins, primary lateral veins and secondary lateral veins of tobacco...