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- Title
General and biochemical composition of caviar from Sturgeon (Acipenser ruthenus) farmed in Korea.
- Authors
Park, K. S.; Kang, K. H.; Bae, E. Y.; Baek, K. A.; Shin, M. H.; Kim, D. U.; Kang, H. K.; Kim, K. J.; Choi, Y. J.; Im, J. S.
- Abstract
Our study was undertaken to gain basic and detailed information about the composition of caviar from sterlet (Acipenser ruthenus) aqua-cultured in Korea. The moisture, protein, and lipid content of caviar samples was 51.32 ± 2.36%, 25.43% ± 0.32, and 13.21% ± 0.44, respectively. Hunter color L, a, and b value of unprocessed caviars was 14.83, 0.58, and 1.87, respectively. In accordance with time distribution, a and b values were not significantly changed during the period of observation, but L values indicative of brightness began to decline from 5 weeks. The fatty acids of the caviars consisted of saturated (27.87%), monounsaturated (43.14%), and polyunsaturated fatty acids (28.99%), especially, omega-3 fatty acids such as docosahexaenoic acid (11.39%) and eicosapentanoic acid (4.69%). Among the total amino acids, glutamic acid of 33.5 mg/g (13.9%) was the largest portion of caviars, followed by lysine (27.1 mg/g, 11.3%), leucine (23.1 mg/g, 9.6%), and phenylalanine (22.4 mg/g, 9.3%).
- Subjects
KOREA; CAVIAR; ACIPENSER; UNSATURATED fatty acids; OMEGA-3 fatty acids; PHENYLALANINE; LYSINE
- Publication
International Food Research Journal, 2015, Vol 22, Issue 2, p777
- ISSN
1985-4668
- Publication type
Article