초록

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Abstract ▼ AI-Helper

Deodorization of soybean oil was carried out at a temperature range of $220{\sim}280^{\circ}C$ for 1 or 2hrs. HPSEC(high performance size exclusion chromatography) method was used for the analysis of dimeric acids in deodorized soybean oil. Dimeric acid moieties were produced through the ...

Deodorization of soybean oil was carried out at a temperature range of $220{\sim}280^{\circ}C$ for 1 or 2hrs. HPSEC(high performance size exclusion chromatography) method was used for the analysis of dimeric acids in deodorized soybean oil. Dimeric acid moieties were produced through the deodorization at $240{\sim}280^{\circ}C$ for 2 hrs. The amount of dimeric acids produced was found to be in the range of 0.36 to 3.39%. Dimeric acids were not detected under the deodorizing condition of $240^{\circ}C,\;2\;hrs\;or\;250^{\circ}C,\;1\;hr$. The soybean oil deodorized in these conditions had good quality by the color and viscosity tests. The best condition of minimizing the formation of dimeric acids in soybean oils was the deodorizing conditions of $240^{\circ}C,\;2\;hrs\;or\;250^{\circ}C,\;1hr$.

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