Most fish sauce with pineapple peel added had higher nitrogen content than that with pineapple core
Kasetsart J. (Nat. Sci.) 43(4) 793
Table 1 Total nitrogen as an indicator of the protein content in fish sauce fermented for 6 months and 12 months. TreatmentProtein (g/l) 6 months 12 months T1 6.24cA(0.01) 13.82dB(0.83) T2 6.84cA(0.08) 14.16dB(0.03) T3 8.19fA(0.09) 15.33cB(0.07) T4 6.49dA(0.04) 12.98cB(0.14) T5 5.88bA(0.13) 12.12dB(0.17) T6 8.27f(0.02) NT T7 9.79gA(0.11) 14.78dB(0.10) T8 10.42bA(0.01) 14.34cB(0.07) Means followed by the different lowercase letters in the same column are significantly different (a = 0.05). Means followed by the different capital letters in the same row are significantly different (a = 0.05). NT = No test because the treatment was contaminated by rain. The numbers in parentheses are the standard deviations from 36 replications.
Table 2 Total NaCl content in fish sauce fermented for 6 months and 12 months. TreatmentNaCl (g/l) 6 months 12 months T1 311.62fB(1.63) 305.45cA(1.46) T2 268.3d(1.93) 263.74b(4.66) T3 241.03bA(1.39) 294.37cB(1.45) T4 243.3b(1.47) 247.34a(3.18) T5 300eB(1.55) 292.72cA(1.42) T6 262.2c(1.61) NT T7 241.43bA(1.61) 275.77bB(6.46) T8 218.94aA(3.00) 241.06aB(2.57) NT = No test because the treatment was contaminated by rain. The numbers in parentheses are the standard deviations from 36 replications.
added, except for the fish sauce with 10% pineapple core added which had a slightly higher nitrogen level than that with 10% pineapple peel added (Table 1)