This work was supported by funding from the National Natural Science Foundation of China (no. 31201348/31571874), Hunan Youth Excellent Talents Supporting Program (no. 2016RS3033), Construction Project of Graduate textbook from Central South University of Forestry and Technology (no. 2015JC03), the Natural Science Foundation of Hunan Province (no. 2017JJ2410), Grain-oil Process and Quality Control 2011 Collaborative and Innovative grant from Hunan province.