INSITU ESTERIFICATION OF RICE BRAN OIL WITH METHANOL AND ETHANOL

OZGUL S., TURKAY S.

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, cilt.70, sa.2, ss.145-147, 1993 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 70 Sayı: 2
  • Basım Tarihi: 1993
  • Doi Numarası: 10.1007/bf02542617
  • Dergi Adı: JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.145-147
  • Anahtar Kelimeler: FATTY ACID ETHYL ESTERS, FATTY ACID METHYL ESTERS, FATTY ACIDS, INSITU ESTERIFICATION, RICE BRAN, RICE BRAN OIL, TRANS-ESTERIFICATION, SEED OIL, SUNFLOWER
  • Yıldız Teknik Üniversitesi Adresli: Hayır

Özet

In situ esterifications of high-acidity rice bran oil with methanol and ethanol and with sulfuric acid as catalyst were investigated. In the esterification with methanol, all free fatty acids (FFA) dissolved in methanol were interesterified within 15 min, and it was possible to obtain nearly pure methyl esters. The amount of methyl esters obtained from a given rice bran was dependent on the FFA content of the rice bran oil. In the esterification with ethanol, it was not possible to obtain pure esters as in methanol esterification, because the solubilities of oil components in ethanol were much higher than those in methanol.