文章基本信息

标题：The effect of white sturgeon ( Acipenser transmontanus ) ovarian fat deposition on caviar yield and nutritional quality: introducing image processing method for sturgeon ovary fat determination
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作者：Mahmoudreza Ovissipour ; Hamzah M. Al-Qadiri ; Xiaonan Lu 等
期刊名称：International Aquatic Research
印刷版ISSN：2008-6970
出版年度：2015
卷号：7
期号：4
页码：263-272
DOI：10.1007/s40071-015-0111-0
语种：English
出版社：BioMed Central
摘要：Image analysis can predict the fat content of sturgeon ovaries that had been categorized as having a low, medium, and high fat content based upon the caviar yield expressed as a percent of the total ovary weight, and were correlated with the chemical measurement of total fat ( R ² = 0.83). The fatty acid composition of eggs was not influenced by ovary fat content. Palmitic acid (16:00) was the most abundant saturated fatty acid and oleic acid (18:1n-9) the most predominant monounsaturated fatty acids in sturgeon eggs regardless of the ovary fat content. No significant differences ( P > 0.05) were observed in docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) in eggs from fish with different fat ovaries. Fourier transform infrared spectroscopy (FT-IR) coupled with principal component analysis indicated no significant difference in chemical compositions in sturgeon eggs separated from ovaries of different fat contents confirming the fatty acid composition results.
关键词：White sturgeon ; Ovary fat ; Egg quality ; Image analysis ; FT-IR spectroscopy