《Table 2 Aroma characteristic indexes of flue-cured tobacco with strong aroma features from Henan Pr

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《GIS Based Aroma Characteristic for Regional Distribution of Tobacco Using Kriging Interpolation Method Set in Henan Province of China》

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Aroma characteristics were evaluated quantitatively according to 0-5 mark isometric scaling method in sensory evaluation method of tobacco quality style characteristic.The evaluating committee consisted of more than 10 experts from the major projects of high-quality tobacco（Table 1）.Miscellaneous odour included immature odour，raw green odour，scorched odour，ligneous odour，earthy odour，rosin odour，pollen odour，herbal odour and metallic odour.The scaling data referred to the common assessment of sensory quality by more than two thirds experts were valid.Then，valid scaling data of the same odour were added up and their means were obtained byΣvalid scaling value/Σeffective population.All the mean results were kept two decimal places.