Composition of walnut kernels 1000 g walnut kernels contain:50 % 12 kernels (light)30 % 14 kernels (light)20 % 18 kernels (light)100 % mahogany mixed kernelspacking - 10 kg carton boxes.Shell and foreign material (by weight) - 0.05% maximumfairly uniform in color, matches the bulgarian walnutcolor chart classification for lighttotal defects (by weight)- 5 % maximumfor maximum shelf life, store at refrigerated temperaturesbelow 2 c and maximum relative humidity of 55% composition per 100 g of walnut kernelscalories - 851protein - 14.8%fat - 60%carbohydrates - 16crude fiber - 9.6%vitaminsvitamin a - 0.6thiamine, b1 - 24riboflavin - 8.21vitamin c - 4.4