황색종 연초 건조에 있어서 건조조건에 따른 내용성분 변화 II. 중골건조기 승온속도에 따른 영향 = STUDES ON THE CHEMICAL COMPONENTS BY THE CURING CONDITION OF FLUE-CURED TOBACCO LEAVES Effect of Temperature Raising Rate during the Midrib Drying Stage of Flue-curing

다국어 초록 (Multilingual Abstract)

This experiment was carries out to study on the effect of temperature raising rate to chemical composition of tobacco leaves during the midrib drying stage of flue-curing. The results were as follows : In the case of the temperature raising rate became more rapidly during midrib drying stage. It had a tendency to increase in oxailic acid, succinlc acid, ammonia, polyphenol; there was a large loss of total sugar, reducing sugar, malic acid, palmitic acid and linolenic acid; leaf color became more reddish; the leaf quality index value decreased, thereby the quality of external appearance deteriorated. It is desirable that the temperature raising rate had to be more slowly.