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. 2016 Mar 31;25(Suppl 1):41–46. doi: 10.1007/s10068-016-0096-5

Hypolipidemic effects of hickory nut oil using cold pressure extraction

Yan Zhang 1, Liying Wu 1, Zhixin Yao 1, Zhongsu Ma 1, Jingbo Liu 1,✉
PMCID: PMC6049405  PMID: 30263484

Abstract

Optimal conditions of hickory nut oil cold press technology were studied. L9(34) orthogonal experiment results showed that optimal conditions were a pressing pressure of 15 MPa, pressing temperature of 50°C, pressing cycle of 4 s, and stop cycle of 9 s. Fatty acid compositions were determined using GC-MS and hypolipidemic effects in mice were investigated. Compared to a high fat diet group, hickory nut oil administration decreased serum and visceral total cholesterol, triacylglycerol, and serum low density lipoprotein cholesterol levels. Serum high density lipoprotein cholesterol values were increased. Hickory nut oil can be used as a valuable bioactive source of natural hypolipidemic compounds.

Keywords: hickory nut oil, cold press technology, hypolipidemic effect

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