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논문 기본 정보

자료유형
학술저널
저자정보
Trang Le Thi Tran (Institute of Aquaculture, Nha Trang University) Dung Van Tran (Aquaculture Institute, Nha Trang University) Manh Van Ngo (Institute of Aquaculture, Nha Trang University) Thanh Thi Hoang (Aquaculture Institute, Nha Trang University) Hau Thi Luong (Center of Experiments and Practices, Nha Trang University) Thanh Trung Dang (Faculty of Food Technology, Nha Trang University)
저널정보
한국수산과학회 Fisheries and Aquatic Sciences Fisheries and Aquatic Sciences Vol.27 No.9
발행연도
2024.9
수록면
622 - 633 (12page)

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This study aimed to evaluate the effects of various plant-derived carotenoid extracts on growth parameters and skin coloration of golden trevally (Gnathanodon speciosus). Five groups of fish were fed diets containing carotenoid sources from the petal extracts of the leopard tree (Caesalpinia ferrea), wild sunflower (Tithonia diversifolia), marigold (Tagetes erecta), yellow bells (Tecoma stans), Wedelia chinensis (Wedelia chinensis), along with a control group, each diet had a carotenoid concentration of 0.25 g/kg feed. The diets were based on the same fundamental ingredients and administered for 56 days. Results showed significant differences in growth parameters among the different diets, with wild sunflower and marigold petal extracts proving most effective in enhancing the skin coloration of golden trevally. High yellow (CIE b*), ranging from 17.2 to 18.8, were observed (Minolta CR-400), compared to only 12.2 ± 0.34 in the control group. Additionally, the carotenoid content in the tissue of the various groups differed significantly (p < 0.05), with the highest level of carotenoids (71.2 ± 2.9 μg/g tissue) detected in the fish skin of the dietary marigold flower group (UV-visible spectrophotometry). It is suggested that the petals of wild sunflowers and marigolds can efficiently improve body pigmentation and growth performance in golden trevally, indicating that these plant-derived carotenoids may have potential applications in aquaculture.

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