CAJ | 학술논문

目的：确立葡萄干中脂肪酸提取的有效方法。方法采用气相色谱质谱联用技术的方法，对无核白葡萄干中的脂肪酸进行了研究。采用4种提取方法，对自然晒干工艺制成的无核白葡萄干(可溶性固形物含量84.69%)进行脂肪酸种类和含量的研究。结果当采用不同提取方法时，检测到的葡萄干中的脂肪酸种类无差异，仅存在含量上的差别。无核白葡萄干中共鉴定出16种脂肪酸，其中饱和脂肪酸11种，不饱和脂肪酸5种。当采用液液萃取-甲醇辅助提取方法提取葡萄干中脂肪酸时，不饱和脂肪酸总含量、饱和脂肪酸总含量以及脂肪酸总含量均优于其他方法提取出的脂肪酸含量。结论液液萃取-甲醇辅助提取方法是提取葡萄干中脂肪酸的有效方法，这为葡萄干中风味物质研究打下基础。
목적：학립포도간중지방산제취적유효방법。방법채용기상색보질보련용기술적방법，대무핵백포도간중적지방산진행료연구。채용4충제취방법，대자연쇄간공예제성적무핵백포도간(가용성고형물함량84.69%)진행지방산충류화함량적연구。결과당채용불동제취방법시，검측도적포도간중적지방산충류무차이，부존재함량상적차별。무핵백포도간중공감정출16충지방산，기중포화지방산11충，불포화지방산5충。당채용액액췌취-갑순보조제취방법제취포도간중지방산시，불포화지방산총함량、포화지방산총함량이급지방산총함량균우우기타방법제취출적지방산함량。결론액액췌취-갑순보조제취방법시제취포도간중지방산적유효방법，저위포도간중풍미물질연구타하기출。
ABSTRACT:Objective To develop an effective method for the extraction of fatty acid in raisin. Methods Thompson seedless raisin was analyzed in this study, and its fatty acid composition and content were determined by gas chromatography-mass spectrometry (GC-MS). Four extraction methods were adopted to extract the fatty acid in Thompson seedless-Sun dried raisins (TS-SD, soluble solids content is 84.69%). Results No category difference of fatty acid was detected between different methods. 16 kinds of fatty acids were determined in TS-SD, including 11 kinds of saturated fatty acids and 5 kinds of unsaturated fatty acids. When liquid-liquid extraction-methanol (LLE-M) was used as extraction method, the total content of saturated fatty acid (SFA), unsaturated fatty acid (UFA) and the fatty acid (FA) was found to be higher. Conclusion LLE-M method is an effective way to extract fatty acid in raisins, and this will contribute to the research of flavor in raisin.