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Quality of western Canadian lentils 2017

5. Protein content

Protein content for green and red lentils in 2017 ranged from 22.3% to 29.4% (Table 2). The mean protein content was 25.6%, which was lower than the mean for 2016 (27.1%), and lower than the 10-year mean of 27.1% (Figure 2). Lower protein content in 2017 may be due to the dry growing conditions. Table 3 represents the mean protein content for green and red lentils by crop region (Figure 3).

Table 2. Protein content for 2017 western Canadian lentils (green and red combined) by grade
Grade Protein contentFootnote1, %
2017 2016
mean min. max. mean
Saskatchewan
Lentils, No. 1 Canada 25.4 22.3 28.2 26.7
Lentils, No. 2 Canada 25.6 22.6 28.2 26.9
Lentils, Extra No. 3 Canada 26.0 23.9 28.5 27.4
Lentils, No. 3 Canada 26.5 25.0 27.4 27.3
All grades 25.5 22.3 28.5 27.1
Alberta
Lentils, No. 1 Canada 26.1 22.6 29.4 26.3
Lentils, No. 2 Canada 26.7 25.0 29.1 27.0
Lentils, Extra No. 3 Canada 26.4 24.2 27.6 26.8
Lentils, No. 3 Canada NS NS NS NS
All grades 26.3 22.6 29.4 26.7
Western Canada
Lentils, No. 1 Canada 25.5 22.3 29.4 26.6
Lentils, No. 2 Canada 25.7 22.6 29.1 27.0
Lentils, Extra No. 3 Canada 26.1 23.9 28.5 27.4
Lentils, No. 3 Canada 26.6 25.0 27.5 27.3
All grades 25.6 22.3 29.4 27.1

Figure 2. Mean protein content of western Canadian lentils

Crop region map of prairies-origin of green and red lentil samples,2017.Details below.
The graph depicts the annual average protein content of all lentils from 2007 through 2017, and the 10-year (2007 to 2016) average. Each point represents the average protein content of lentils in that crop year. A solid line connects the points, showing the variation of the average protein contents from 2007 through 2017. The dashed line represents the mean protein content of lentils (27.1%) over a 10-year period from 2007 to 2016. Average protein contents from 2007, 2008, 2009, 2010 and 2016 (27.6%, 27.9%, 27.1%, 28.0 and 27.1%, respectively) were all above or equal to the 10-year average of 27.1%, while those from 2011, 2012, 2013, 2014 and 2015 (26.8%, 26.7%, 26.5%, 27.0% and 25.9%, respectively) were below the 10-year average.
Table 3. Mean protein content and starch content for 2017 western Canadian lentils (green and red combined) by crop region
Crop regionFootnote2 Protein content, % dry basis Starch content, % dry basis
2017 2016 2017 2016
4 25.9 26.7 46.9 46.9
5 26.0 26.5 46.4 46.7
6 26.1 27.0 46.1 45.5
7 26.4 26.8 45.5 45.6
8 26.8 26.2 45.9 47.6

Figure 3. Crop regions in western Canada

Crop region map of prairies-origin of green and red lentil samples,2017.Details below.
Manitoba crop regions: 1 (Southwest Manitoba), 2 (Northwest Manitoba), and 3 (Eastern Manitoba); Saskatchewan crop regions: 4 (Southeast Saskatchewan), 5 (Southwest Saskatchewan), 6 (Northeast Saskatchewan), and 7 (Northwest Saskatchewan); Alberta crop regions: 8 (Southern Alberta), 9 (Central Alberta), and 10 (Northern Alberta).

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