Effect of microwave treatment on the efficacy of expeller pressing of Brassica napus rapeseed and Brassica juncea mustard seeds

Journal of Agricultural and Food Chemistry
Yanxing NiuBogdan A Slominski

Abstract

A study was conducted to evaluate the effect of microwave heating on the efficacy of expeller pressing of rapeseed and mustard seed and the composition of expeller meals in two types of Brassica napus rapeseed (intermediate- and low-glucosinolate) and in Brassica juncea mustard (high-glucosinolate). Following microwave treatment, the microstructure of rapeseed using transmission electron microscopy showed a significant disappearance of oil bodies and myrosin cells. After 6 min of microwave heating (400 g, 800 W), the oil content of rapeseed expeller meal decreased from 44.9 to 13.5% for intermediate-glucosinolate B. napus rapeseed, from 42.6 to 11.3% for low-glucosinolate B. napus rapeseed, and from 44.4 to 14.1% for B. juncea mustard. The latter values were much lower than the oil contents of the corresponding expeller meals derived from the unheated seeds (i.e., 26.6, 22.6, and 29.8%, respectively). Neutral detergent fiber (NDF) contents showed no differences except for the expeller meal from the intermediate-glucosinolate B. napus rapeseed, which increased from 22.7 to 29.2% after 6 min of microwave heating. Microwave treatment for 4 and 5 min effectively inactivated myrosinase enzyme of intermediate-glucosinolate B. napus r...Continue Reading

References

Jun 16, 2010·Journal of Agricultural and Food Chemistry·Aleksandra Szydłowska-CzerniakEdward Szłyk
Jun 29, 2010·Colloids and Surfaces. B, Biointerfaces·Magali DeleuZéphirin Mouloungui
Sep 20, 2012·Poultry Science·F Khajali, B A Slominski
Dec 6, 2012·Journal of Agricultural and Food Chemistry·Bogdan A SlominskiDave Hickling

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Citations

Mar 21, 2019·Annual Review of Chemical and Biomolecular Engineering·D CanteroM J Cocero
Sep 11, 2019·Journal of Animal Science·Deepak Ettungapladi VelayudhanC Martin Nyachoti
Jul 30, 2019·Journal of Food Biochemistry·Chunhajan AksornthongBenjamas Janchawee
Nov 20, 2019·Journal of Food Science and Technology·Aman VermaDinesh Kumar
Aug 19, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Sylvia MainaHo-Youn Kim
Jan 21, 2021·Annual Review of Food Science and Technology·Xianli WuPamela R Pehrsson

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