The effects of process technology on the physicochemical properties of peony seed oil

Authors

DOI:

https://doi.org/10.3989/gya.1058162

Keywords:

Anti-α-amylase activity, Anti-α-glucosidase activity, Peony seed oil, Radical scavenging activity, Rheological properties

Abstract


Peony seed oils (PSOs) were prepared using supercritical CO2 (SC) and compared with soxhlet extraction (SE) and mechanical screw press extraction (SPE) methods. The fatty acid compositions of the oils were determined, and the physicochemical properties of the oils, including free radical-scavenging activity, α-amylase and α-glucosidase inhibition, thermal and rheological properties were evaluated. The unsaturated fatty acids in the SE oils were higher than SC and SPE oils due to the higher percentage of olefinic, allylic methylene and allylic methine protons in the SE oils. The SPE oils also displayed the highest DPPH and ABTS+ radical scavenging activity at the tested concentrations. However, the SE oils showed stronger inhibitory effects on α-amylase and α-glucosidase enzymes under in vitro conditions when compared with the other oil samples. The three oils had similar melting and crystalline point due to similar contents of fatty acids (FAs). The SC oils had a lower Ea than the others.

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Published

2017-06-30

How to Cite

1.
Qu J, Zhang F, Thakur K, Shi JJ, Zhang JG, Faisal S, Wei ZJ. The effects of process technology on the physicochemical properties of peony seed oil. grasasaceites [Internet]. 2017Jun.30 [cited 2022Nov.29];68(2):e192. Available from: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1659

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Research