THE EFFECT OF REFINING PROCESS ON THE CONJUGATED DIENES IN SOYBEAN OIL

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BACHARI SALEH Z.; EZZATPANAH H.; AMINAFSHAR M.; SAFAFAR H.

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Journal Paper

Paper Information

Journal: JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST) Year:2013 | Volume:15 | Issue:6 Page(s): 1185-1193

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Title

THE EFFECT OF REFINING PROCESS ON THE CONJUGATED DIENES IN SOYBEAN OIL

Author(s)

BACHARI SALEH Z. | EZZATPANAH H. | AMINAFSHAR M. | SAFAFAR H. | Issue Writer Certificate

Keywords

CONJUGATED DIENOIC ACID

EDIBLE OIL

OIL PROCESSING

PEROXIDE VALUE

P-ANISIDINE VALUE

Abstract

The present study was carried out to investigate the effect of various refining processes’ conditions on conjugated dienes in soybean oil. Conjugated dienes contents of soybean oil were found to undergo reduction in neutralization and bleaching steps while being increased in deodorization. It was observed that alkali refining (neutralization) through 12 and 14oBé, bleaching with either acid activated clay or a mixture of acid activated clay plus activated carbon at 110oC along with deodorization at 220oC and at 4 or 8 mbar had the highest effect on reduction of conjugated dienes in soybean oil. Conjugated dienes were in good correlation with PEROXIDE VALUE, free fatty acids, Totox value and as well with P-ANISIDINE VALUE in each step. Overall, alkali refining proved to be the most effective step in reduction of conjugated dienes, free fatty acids and oxidative stability index. PEROXIDE VALUE, p-anisidine and Totox values changed during refining and got significantly decreased in deodorization.

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APA: Copy

BACHARI SALEH, Z., EZZATPANAH, H., AMINAFSHAR, M., & SAFAFAR, H.. (2013). THE EFFECT OF REFINING PROCESS ON THE CONJUGATED DIENES IN SOYBEAN OIL. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 15(6), 1185-1193. SID. https://sid.ir/paper/619158/en

Vancouver: Copy

BACHARI SALEH Z., EZZATPANAH H., AMINAFSHAR M., SAFAFAR H.. THE EFFECT OF REFINING PROCESS ON THE CONJUGATED DIENES IN SOYBEAN OIL. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2013;15(6):1185-1193. Available from: https://sid.ir/paper/619158/en

IEEE: Copy

Z. BACHARI SALEH, H. EZZATPANAH, M. AMINAFSHAR, and H. SAFAFAR, “THE EFFECT OF REFINING PROCESS ON THE CONJUGATED DIENES IN SOYBEAN OIL,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 15, no. 6, pp. 1185–1193, 2013, [Online]. Available: https://sid.ir/paper/619158/en

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