Advances in science and technology, domestic and foreign rapeseed breeding and other related forms have a lot of changes, and rapeseed and rapeseed oil chlorophyll content also changed. A large number of foreign rapeseed and rapeseed oil have entered the Chinese market, but there is no corresponding standard method in China, which adopts the international standard method for testing, but whether this method is applicable to rapeseed and rapeseed oil in China, we have made a lot of Research experiments have determined China's standard measurement methods. The canopy chlorophyll analyzer can effectively measure chlorophyll.

Chlorophyll is a catalyst for photosynthesis of plants, a green source of plants, consisting of chlorophyllin, phytol, and methanol. The generally immature oilseeds contain more chlorophyll, and the mature oilseeds have relatively low chlorophyll content, and the prepared oils will have different degrees of greenness, which will certainly affect the further refining and yield of the oils. We determined the chlorophyll content of rapeseed from different origins.

Select 8 samples and divide each sample into two. Through the verification of a large number of experiments of canopy chlorophyll meter, the above two international standards are applicable and feasible for the determination of chlorophyll content in rapeseed and rapeseed oil in China. Based on this research experiment, we have developed a standard method for the determination of chlorophyll content in China, which is conducive to the development of the oil industry in China after the closure of people.

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