3. Results and discussion
3.1. Comparison of DPPH radical scavenging activity in FMS to those in commercial fermented sauces
FMS was prepared by fermentation for 24 weeks and its DPPH radical scavenging activity was compared to other commercial fermented sauces. Six kinds of fermented sauces containing animal protein as the major component were studied: 4 fish sauces made from sandfish, puffer fish or anchovy, fermented sauce made from whale meat or chicken by-products, and soy sauce (Fig. 1). The DPPH radical scavenging activity of FMS at 24 weeks was 0.55 ± 0.03 lmol Trolox eq./ml and was nearly equal to that of chicken sauce, puffer fish sauce, and anchovy fish sauce 2. However, the radical scavenging activity in whale sauce, sandfishsauce, anchovy fish sauce 1, and soy sauce were signifi-cantly lower (p < 0.05) at 0.36 ± 0.04, 0.30 ± 0.05, 0.37 ± 0.04 and 0.35 ± 0.04 lmol Trolox eq./ml, respectively. Therefore, the DPPH radical scavenging activity of FMS was similar to or higher than that of commercial fermented sauces containing animal protein as the main component.
3. Results and discussion3.1. Comparison of DPPH radical scavenging activity in FMS to those in commercial fermented sauces FMS was prepared by fermentation for 24 weeks and its DPPH radical scavenging activity was compared to other commercial fermented sauces. Six kinds of fermented sauces containing animal protein as the major component were studied: 4 fish sauces made from sandfish, puffer fish or anchovy, fermented sauce made from whale meat or chicken by-products, and soy sauce (Fig. 1). The DPPH radical scavenging activity of FMS at 24 weeks was 0.55 ± 0.03 lmol Trolox eq./ml and was nearly equal to that of chicken sauce, puffer fish sauce, and anchovy fish sauce 2. However, the radical scavenging activity in whale sauce, sandfishsauce, anchovy fish sauce 1, and soy sauce were signifi-cantly lower (p < 0.05) at 0.36 ± 0.04, 0.30 ± 0.05, 0.37 ± 0.04 and 0.35 ± 0.04 lmol Trolox eq./ml, respectively. Therefore, the DPPH radical scavenging activity of FMS was similar to or higher than that of commercial fermented sauces containing animal protein as the main component.
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