Characteristic indication substance and identification method of Hainan camellia oil and Liangguang camellia oil

The invention discloses a characteristic indicating substance for identifying Hainan camellia oil and Liangguang camellia oil, and belongs to the technical field of camellia oil variety identification, and the characteristic indicating substance is a specific volatile matter 2, 3-Butanediol. The invention also discloses a method for identifying Hainan camellia oil and Shuangguang camellia oil based on the characteristic indication substance, which comprises the following steps: detecting the content of a specific volatile matter 2, 3-Butanediol in a sample to be detected, carrying out integration processing on data, and carrying out normalization processing on the data after integration processing; when the value of the specific volatile matter 2, 3-Butanediol in the sample to be detected after the normalization treatment is greater than 10, judging that the sample to be detected is Hainan camellia oil; and when the value of the specific volatile matter 2, 3-Butanediol in the sample to be detected after the n