One-pot synthesis of linoleic acid hydroperoxide (LA-HPOD) catalyzed by soymeal was developed coupled with ultrasonic treatment. The influence of pH, temperature, dosage of reactants and solvents were investigated. The results showed that ultrasonic treatment could shorten the reaction time and obviously improved the yield of LA-HPOD. Under the ultrasonic irradiation of 40 kHz and 100 W, 1.5 g of soymeal and 1.5 g of linoleic acid in 7.5 mL borate buffer (pH 9.0) with ethanol volume of 0.5 mL at 15 ℃ for 40 min, the yield of LA-HPOD reached to 89%. Ultrasonic irradiation was successfully applied to lipoxygenase catalyzed reaction with soybean meal. The aim of low-cost, green and efficient synthesis of LA-HPOD with high substrate concentration was achieved.
CAI Yan
,
YAN Xin
,
ZHU Zhendong
,
CHEN Tingting
,
CHEN Jiao
. Ultrasonic assisted one-pot synthesis of linoleic acid hydroperoxide catalyzed by soymeal[J]. Food and Fermentation Industries, 2021
, 47(17)
: 156
-160
.
DOI: 10.13995/j.cnki.11-1802/ts.025844
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