Quality of western Canadian canola 2011

Glucosinolate content

The 2011 total glucosinolate content averaged 10.3 µmoles/g similar to what was observed in 2010 (9.9 µmoles/g) but slightly higher than what was observed in 2009 (9.6 µmoles/g). This constant low total glucosinolate content is a direct result of the constant breeding efforts from the various breeding programs and the very little proportion of Brassica rapa grown in Canada. Since 2006, Brassica napus varieties represented more than 99% of the samples received by the Canadian Grain Commission in its harvest survey program.

The average level of total seed glucosinolates in the December 2011 canola exports was 12.7 µmoles/gof seed, similar to the average of the 2010-11 shipping season. Glucosinolate contents of canola exports for the 2011-2012 shipping season will remain similar to the averages observed during the 2010-2011 shipping season.

Canola quality data by grade and province – glucosinolate content of the seed
  Number of samples Glucosinolates¹ (µmoles/g)
mean minimum maximum
¹ 8.5% moisture basis
² Includes part of the Peace River area that is in British Columbia.
³ Values are weighted averages based on production by province as estimated by Statistics Canada.
Canola, No. 1 Canada
Manitoba 375 10.9 5.6 16.7
Saskatchewan 721 10.3 4.9 17.0
Alberta² 396 9.9 4.3 14.5
Western Canada³ 1492 10.3 4.3 17.0
Canola, No. 2 Canada
Manitoba 37 11.1 7.4 13.6
Saskatchewan 68 10.1 7.6 16.0
Alberta² 62 10.5 6.5 13.2
Western Canada³ 167 10.4 6.5 16.0
Canola, No. 3 Canada
Western Canada² 65 8.8 5.5 13.6
Canola, Sample Canada
Western Canada³ 31 11.6 5.2 18.2