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- Title
オリーブ葉粉末を投与した養殖ブリ筋肉の水溶性成分の特徴.
- Authors
大山 憲一; 大西 茂彦; 藤川 護; 小川 雅廣
- Abstract
Yellowtail Seriola quinqueradiata fed a diet supplemented with powdered olive Olea europaea leaves is a popularly cultured fish with the registered trademark of "olive yellowtail (OY)". Water-soluble low molecular weight compounds in OY muscles were determined by non-target metabolome analysis and the results were compared with the compounds in muscles of control yellowtail fed a diet without powdered olive leaves (CtY). The metabolome analysis showed some differences in the levels of amino acids, organic acids, sugar alcohols, and so on between OY and CtY. OY had higher levels of sweet-tasting compounds, serine, glycine, and glycerol than CtY, supporting our previous report that OY is distinct from CtY in the taste, especially sweet taste (Oyama, 2017). Antioxidant capacities of water-soluble compounds extracted from muscles of OY and CtY were determined by hydrophilicoxygen radical absorbance capacity (H-ORAC) method. Although antioxidant capacity of dark muscle showed no significant difference between the two fishes, the results for ordinary muscles showed that OY had 1.36 times higher antioxidant capacity than CtY, which is probably due to higher level of ascorbic acid (1.53 times high). These results suggest that feeding olive leaves endows muscle with enhanced taste and antioxidant capacity by altering metabolite profiling of muscles.
- Subjects
HYDROPHILIC compounds; MUSCLES; DIETARY supplements; OLIVE; JAPANESE amberjack; METABOLOMICS; AMINO acids
- Publication
Japanese Journal of Food Chemistry & Safety, 2019, Vol 26, Issue 2, p99
- ISSN
1341-2094
- Publication type
Article