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Abstract ▼ AI-Helper

The effects of various concentration of NaCI, i.e., 1, 2, 2. 5, 3, and 4%, on the rancidity development of samples of Ramyon, deep-fried instant noodles, were studied. Dough for the samples, which was composed of wheat flour, distilled water, and pure NaCI, was prepared at a commercial plant but the...

The effects of various concentration of NaCI, i.e., 1, 2, 2. 5, 3, and 4%, on the rancidity development of samples of Ramyon, deep-fried instant noodles, were studied. Dough for the samples, which was composed of wheat flour, distilled water, and pure NaCI, was prepared at a commercial plant but the deep-frying p개cess for the dough was performed in the laboratory. The products thus obtained were incubated for 50 days at $45.0{\pm}1.0^{\circ}C$. Peroxide and TBA values were determined every 5 days throughout the storage period. The results obtained are as follows. 1) Control and the samples containing 1, 2, 2. 5, and 3% salt had POVs of 8. 7, 9. 1, 9. 0, 9. 2 and 9. 7 respectively after 25 days. The control showed a POV of 19.1 after 45 days whereas the sample Ramyons containing 1, 2, 2. 5, 3, and 4% salt had POVs of 12. 6, 13. 2, 14. 6, 15. 3, and 15. 8 respectively after 30 days. 2) TBA values of Control and the sample containing 1, 2, 2. 5, 3, and 4% salt were 5. 8, 6. 1, 6. 2, 6. 4, 6. 7, and 6. 6 respectively after 15 days. But the control developed a TBA value of 11. 4 after 40 days. The samples containing 1, 2, 2. 5, and 3% salt showed TBA values of 10. 2, 14. 3, 15. 8, and 15. 3 respectively after 30 days whereas the sample containing 4% salt had a TBA value of 13. 8 after 25 days. 3) The relationship between the POVs and the TBA values was linear. However, the regression curves of the POVs and the TBA values indicated progressive increase in the gradients(POV/TBA) with increase in the salt content. 4) From the results of the present study, it was found that although the acceleration of rancidity was not in proportion to the amount of NaCI, definite progressive increase in the rancidity development was observed with increase in the salt content of the sample Ramyons.