The quality of Camellia oleifera seed oil is one of the key criteria to measure the quality of Camellia oleifera.At present,the evaluation indexes for the quality of Camellia oleifera seed oil mainly contains physicochemi-cal properties,fatty acid composition,and functional ingredients.Among them,total unsaturated fatty acids,squa-lene,vitamin E content,as well as acid value and peroxide value,etc.are one of the important bases for evaluating the quality of Camellia oleifera seed oil.With the increasing number of comparative studies on quality characteristics in Camellia oleifera seed oil,the concentration of genes related to the synthesis of quality traits in oil tea appeared to be insufficient,and the interaction mechanisms between most genes were unclear.To further understand the influence of quality characteristics on the selection and breeding of high-quality varieties of Camellia oleifera,and to provide references,in this paper,the research on quality characteristics of fatty acid composition and bioactive components,etc.of Camellia oleifera seed oil was reviewed,and the factors affecting quality characteristics was discussed.Mean-while,the progress of deep molecular research on genes related to fatty acid and functional ingredients was analyzed.This paper provided a guide for the development of molecular markers associated with important quality characteristics of Camellia oleifera.
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