Quality of western Canadian flaxseed 2022

Summary

The 2022 western Canadian flaxseed samples received by Harvest Sample Program contained higher oil content, lower protein content and higher iodine values than the 2021 harvest samples.

Tables 1 and 2 contain data for the 2022 brown flaxseed graded Flaxseed, No. 1 Canada Western. Mean oil content was 44.7%, which is slightly higher than the 2021 mean (44.3%) and lower than the 10-year mean (45.6%). Mean protein content was 24.4%, which is lower than the 2021 mean (26.4%) and higher than the 10-year mean (22.8%). Iodine value was 186.8 units, which is slightly higher than the 2021 mean value (186.3 units) and lower than the 10-year mean (191.0 units). Oil and protein values are reported on a dry matter basis.

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Table 1 Quality data for brown Flaxseed, No. 1 Canada Western from 2022 harvest samples
Quality parameter 2022 2021 2012 to 2021 mean
Number of Samples 174 235 NAFootnote1
Oil contentFootnote2, % 44.7 44.3 45.6
Protein contentFootnote3, % 24.4 26.4 22.8
Free fatty acids, % 0.27 0.24 0.20
Iodine value, units 186.8 186.3 191.0
Table 2 Main fatty acid composition brown Flaxseed, No. 1 Canada Western from 2022 harvest samples
Fatty acid, % in oil 2022 2021 2012 to 2021 Mean
Palmitic acid (C16:0) 5.2 5.2 5.1
Stearic acid (C18:0) 3.7 3.6 3.5
Oleic acid (C18:1) 20.0 20.3 18.6
Linoleic acid (C18:2) 15.4 15.6 15.0
α-Linolenic acid(C18:3) 54.6 54.1 56.8
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