Quality of Canadian Soybean, oilseed-type 2020

Chlorophyll content

Chlorophyll content is an indicator of maturity in soybeans, lower the chlorophyll the more mature the seed. Chlorophyll content for the top grades was higher in the western provinces at 1.3 milligrams per kilograms (mg/kg) compared to the eastern and Maritime provinces at 0.4 mg/kg and 0.6 mg/kg, respectively (Table 3). The lower grade soybeans in the western provinces had higher levels chlorophyll content with No. 5 and Sample grades having 6.4 mg/kg and 8.8 mg/kg, respectively.