Type correlation The value of Pearson’s correlation coefficient
IG and energy value 0,241*
IG has a protein content 0,068
IG and the fat content 0,057
IG and total carbohydrate content 0,410*
IG and the content of total ash -0,140
IG and fiber content -0,399*
IG and the water content -0,271*
* Pearson linear correlations statistically significant
Table 3: Correlation coefficients between the value of Pearson's energy and nutrient content of food IG.