Soy-based powder is the most common commercial lecithin powder. A typical 9.6-gram, 2-tablespoon serving of soy lecithin powder contains 67 calories, nearly 69 percent of which come from fat. Six of the 8 grams of fat in the powder are heart-healthy polyunsaturated fat. Soy lecithin contains no protein or cholesterol and only a trace amount of carbohydrates.The demand of sunflower based powder is increasing these days. Soy lecithin powder Acetone insoluble( w/%)95 Loss on drying (w/%) 2.0 Hexane insolubles( w/%)0.3 Acid value(mgkoh/g) 35 Peroxide value(meq/kg) 10 Heavy metals (lead) ( mg/kg )1.0 Arsenic( mg/kg ) 0.1 Total plate count (cfu/g) 1000 Yeast & mold (cfu/g) 30 E.Coli (mpn/100g) 100 Salmonella/mrsa not detected Shigella not detected Sunflower lecithin powder Acetone insoluble( w/%)95 Loss on drying (w/%) 2.0 Hexane insolubles( w/%)0.3 Acid value(mgkoh/g) 36.0 Peroxide value(meq/kg) 10.0 Heavy metals (lead) ( mg/kg ) 20.0 Arsenic( mg/kg ) 3.0 Total plate count (cfu/g) 3000 Yeast & mold (cfu/g) 100 E.Coli (mpn/100g) 100 Salmonella/mrsa not detected