Utilization of byproducts and waste materials from meat ...
2011-2-20u2002·u2002Kidney and liver contain the largest amount of riboflavin (1.697–3.630 mg/100 g), and have 5–10 times more than lean meat. Liver is the best source of niacin, vitamin B12, B6, folacin, ascorbic acid and vitamin A. Kidney is also a good source of vitamin B6, B12, and folacin.
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