碩士 / 國立臺灣海洋大學 / 水產養殖學系 / 98 / Fifteen species of purified marine diatoms were cultured in the summer and the winter of a greenhouse and in an incubator respectively, subsequently their fatty acid components of these 45 combinations were analyzed using gas chromatography. It is found that Cymbella turgida had the highest total lipid content of 45.98%, when it was cultured in the winter. In contrast, Cocconeis scutellum var. minutissma had the lowest total lipid content of 30.24%, when it was cultured in an incubator. Nitzschia grossestriata was cultured in an incubator, N. panduriformis was cultured both in the summer and the winter, and Cymbella turgida was cultured both in the winter and incubator, those diatoms resulted as many as 19 species of fatty acids. However, Amphora bigibba resulted less speices of only 10 fatty acids, when it was cultured in the summer. A. exigua, A. bigibba, and Melosira nummuloides tended to accumulate ω-3 polyunsaturated fatty acids (ω-3 PUFA), when they were cultured in higher light intensity. However, they tended to accumulate saturated fatty acids, when they were cultured in lower light intensity. On the contrary, Caloneis platycephala, Cocconeis scutellum var. minutissma, Nitzschia grossestriata, N. pusilla, and Skeletonema costatum tended to accumulate ω-3 PUFA, when they were cultured in lower light intensity. However, they tended to accumulate saturated fatty acids, when they were cultured in higher light intensity. Chaetoceros muelleri tended to accumulate ω-3 PUFA, when it was cultured in higher temperature. However, it tended to accumulate saturated fatty acids, when it was cultured in lower temperature. In contrast, Cymbella turgida and Navicula lyra tended to accumulate ω-3 PUFA, when they were cultured in lower temperature. However, they tended to accumulate saturated fatty acids, when they cultured in higher temperature. Nitzschia panduriformis and Seminavis gracilenta tended to accumulate ω-3 PUFA, when they were cultured both in higher light intensity and temperature. However, they tended to accumulate saturated fatty acids, when they were cultured in lower light intensity and temperature. Cylindrotheca sp. and Navicula scutiformis tended to accumulate ω-3 PUFA, when they were cultured in higher light intensity with lower temperature. However, they tended to accumulate saturated fatty acids, when they were cultured in lower light intensity with higher temperature.
| Identifer | oai:union.ndltd.org:TW/098NTOU5086107 |
| Date | January 2010 |
| Creators | 王佳陽 |
| Contributors | Yean-Chang Chen, 陳衍昌 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 181 |
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