Changes in fatty acids and glycerolipids of tobacco leaves during air-curing.

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概要

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• Changes in the lipid components of tobacco leaves during air-curing were investigated. In the air-curing system the contents of total fatty acids and linolenic acid decreased markedly. Digalactosyldiglyceride, monogalactosyldiglyceride, sulfoquinovosyldiglyceride and phosphatidylglycerol, which are components of chloroplast membranes, were degraded almost completely during the process. Phosphatidylethanolamine, phosphatidylserine, phosphatidylcholine (PC) and phosphatidylinositol (PI) were relatively resistant to the degradation process during the yellowing stage, but they also decreased markedly thereafter. PC and PI remained until the final drying stage, although their contents were low. In most polar lipids a considerable decrease was observed in the ratio of linolenic acid. Free fatty acid content increased gradually.

• 公益社団法人 日本農芸化学会の論文

著者

• MATSUYAMA Susumu

  Central Research Institute, The Japan Tobacco & Salt Public Corporation

関連論文

• Changes in fatty acids and glycerolipids of tobacco leaves during air-curing.

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