Research progress and prospects on discrimination of hogwash oil

The problem of manufacture and sale of hogwash oil is more serious in our country, hogwash oil flowing into dining table is now becoming one of the most serious food safety issues in China, and has already endangered whole society. In this paper, the classification and harmfulness of hogwash oil was briefly summarized, the research progress of hogwash oil discrimination was reviewed according to discrimination index in detail, and the applicability of discrimination index was commented. Furthermore, existing difficulties of hogwash oil discrimination were analyzed and some solutions were proposed. At last, development trends in hogwash oil discrimination were pointed out.