Synergistic activity of capelin protein hydrolysates with synthetic antioxidants in a model system

被引:12
作者
Amarowicz, R
Karamac, M
Shahidi, F
机构
[1] Polish Acad Sci, Inst Anim Reprod & Food Res, Div Food Sci, PL-10718 Olsztyn 5, Poland
[2] Mem Univ Newfoundland, Dept Biochem, St Johns, NF A1B 3X9, Canada
关键词
D O I
10.1111/j.1745-4522.1999.tb00149.x
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Capelin protein hydrolysates (CPHs) were examined in a beta-carotene-linoleate model system together with synthetic antioxidants, namely butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), and tert-butyl hydroquinone (TBHQ). Addition of CPHs was at 0.25 and 1 mg per 5 mL in the above emulsion. BHA and BHT were added at levels of 2.5 and 5 mu g and TBHQ at 5 and 10 mu g. Absorbance of model emulsion system at 470 nm was recorded every 30 min for 2 h. CHPs and synthetic antioxidants inhibited oxidation of linoleic acid effectively. In the Experiment with BHA, the influence of CPHs war significant (p<0.01) for the samples incubated for 60, 90, and 120 min; and in experiments with BHT and TBHQ during the entire incubation period. The influence of added BHA and BHT on inhibition of bleaching of beta-carotene in the emulsion system was significant (p <0.01) during the incubation period and after 60, 90 and 120 min when TBHQ was used. A synergistic effect was observed only for CPHs and TBHQ when incubation time was 60, 90, and 120 min.
引用
收藏
页码:271 / 275
页数:5
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