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| Size and homogeneity of edible sunflower seeds |
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| KeyWord:edible sunflower seeds three-axis size homogeneity grading |
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| Abstract: |
| In order to explore the theoretical basis for cleaning, grading, selection, pricing of sunflower seeds, and improve the discrete component analysis model of sunflower seeds, the main dimensions and homogeneity of edible sunflower seeds were analyzed. The three typical edible sunflower seeds (1013, SH361, SH363) planted in Inner Mongolia Autonomous Region were used as research objects, and the statistical distribution characteristics of the three-axis sizes, homogeneity and relationship between average diameter and hundred-grain weight of the sunflower seeds were analyzed with the three-axis size(length, width and thickness), mean size(geometric mean diameter, arithmetic mean diameter) and hundred-grain weight as indexes. The width grading test of sunflower seeds was carried out. The results showed that the three-axis sizes of different varieties of sunflower seeds followed a normal distribution and were linearly correlated with significant differences in general. The homogeneity of sunflower seeds was different, and its geometric mean diameter, arithmetic mean diameter and hundred-grain weight had the same changing trend. When round hole sieves of 10 mm and 8 mm were used for 1013, and round hole sieves of 10 mm and 8.5 mm were used for SH361 and SH363, the grading effect could meet the requirement. |
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