Quality of western Canadian flaxseed 2022
Free fatty acid content and fatty acid composition
Free fatty acid content
In 2022, the mean free fatty acid content in brown flaxseed graded No. 1 was 0.27%. This was higher than the mean in 2021 (0.24%) and the 10-year mean of 0.17% (Figure 4). The mean free fatty acid content in samples from Manitoba was 0.53%, higher than the mean in both Alberta (0.27%) and Saskatchewan (0.24%) (Table 5).
Figure 4 Free fatty acid content (% in oil) of brown Flaxseed, No. 1 Canada Western from 2009 to 2022 harvest samples
| 2022 average | 0.27% |
| 2021 average | 0.24% |
| 2012 to 2021 average | 0.18% |
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Figure 4 details
Figure 4 Free fatty acid content (% in oil)of brown Flaxseed, No. 1 Canada Western from 2009 to 2022 harvest samples Free fatty acid content (% in oil) 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2012 to 2021 0.15 0.20 0.20 0.20 0.13 0.16 0.19 0.19 0.18 0.15 0.19 0.16 0.24 0.27 0.18
Fatty acid composition
In 2022, the mean α-linolenic acid (C18:3) content in brown flaxseed graded No. 1 was 54.6%. This was slightly higher than the 2021 mean (54.1 %) but lower than the 10-year mean of 56.8% (Figure 5). Mean α-linolenic acid (C18:3) content in samples from Manitoba, Saskatchewan and Alberta were 58.1%, 54.2% and 54.7%, respectively.
In 2022, the mean iodine value of oil for brown flaxseed graded No. 1 was 186.8 units. This was slightly higher than in 2021 (186.3 units) but lower than 10-year mean (191.0 units; Figure 6).
Figure 5 Alpha-linolenic acid content (% in oil) of brown Flaxseed, No. 1 Canada Western from 2009 to 2022 harvest samples
| 2022 mean | 54.6% |
| 2021 mean | 54.1% |
| 2012 to 2022 mean | 56.8% |
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Figure 5 details
Figure 5 Alpha-linolenic acid content (% in oil) of brown Flaxseed, No. 1 Canada Western from 2009 to 2022 harvest samples Alpha-linolenic acid (% in oil) 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2012 to 2021 58.0 58.8 57.6 56.8 56.0 57.9 57.2 57.8 57.7 55.9 58.8 55.8 54.1 54.6 56.8
Figure 6 Iodine value (units) of brown Flaxseed, No. 1 Canada Western from 2009 to 2022 harvest samples
| 2022 average | 186.8 |
| 2021 average | 186.3 |
| 2012 to 2021 average | 191.0 |
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Figure 6 details
Figure 6 Iodine value (units) of brown Flaxseed, No. 1 Canada Western from 2009 to 2022 harvest samples Iodine value (units) 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2012 to 2021 193.4 194.6 192.5 190.7 189.9 192.9 191.5 192.2 192.5 189.7 194.9 189.0 186.3 186.8 191.0
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