Preparation of Fatty Acids Extraction of Two Kinds of Seaweeds and Analysis on the Fatty Acids of Them by GC-MS

Abstract

Abstract: To extract the fatty acids compounds from Laurencia tristicha and Rhodomela confervoides, the fatty acid contents of the two kinds of seaweeds were separated and identified by gas chromatography mass spectrometry (GCMS) method. 17 and 18 peaks were separated respectively and 12 kinds of fatty acids were identified. The contents of the fatty acids were determined by using the normalization method. Laurencia ethanolic extraction contained 4 kinds of satutated fatty acids, 2 kinds of monounsaturated fatty acids and 6 kinds of polyunsaturated fatty acids with the contents as 18.095%, 3.910% and 7.437%,respectively. Rhodomela ethanolic extraction contained the same types of fatty acids with the contents as 51.842%, 13.124% and 27.375%, respectively.

Key words: Laurencia tristicha, Rhodomela confervoides, extract, fatty acid

LIANG Hui, LENG Kai-Liang, HE Juan, DONG Chun-Jing, SHI Da-Yong. Preparation of Fatty Acids Extraction of Two Kinds of Seaweeds and Analysis on the Fatty Acids of Them by GC-MS[J]. FOOD SCIENCE, 2005, 26(12): 184-186.

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Preparation of Fatty Acids Extraction of Two Kinds of Seaweeds and Analysis on the Fatty Acids of Them by GC-MS

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