Table 11.
Percentage of the RDI 1 contributed by 100 g of separable lean tissue from raw U.S. beef offal items qualifying for USDA “Excellent Source of” and “Good Source of” extra labeling claims 2.
| Nutrient | Heart | Liver | Kidney | Tongue | Oxtail 3 | Tripe 3 | Bone Marrow 3 | Testicles 3 | Blood 3 |
|---|---|---|---|---|---|---|---|---|---|
| Protein |
|
|
|
|
|
|
|
|
|
| Vitamin A (Retinol) | X |
|
X | X | |||||
| Riboflavin (B2) |
|
|
|
|
|||||
| Pantothenic Acid |
|
|
|
X | |||||
| Vitamin B6 |
|
|
|
|
|||||
| Niacin (B3) |
|
|
X |
|
|||||
| Vitamin B12 |
|
|
|
|
|||||
| Vitamin K1 (phylloquinone) | X | X | X | X | X | X |
|
X | X |
| Calcium | X | X | X | X | X | X |
|
X | X |
| Copper |
|
|
|
X | X | X | X | X | X |
| Iron |
|
|
|
|
|
X | X | X | X |
| Manganese | X |
|
X | X | X | X | X | X | X |
| Phosphorus | X |
|
|
|
|
X |
|
|
X |
| Zinc | X |
|
|
|
|
|
X | X | X |
= Meets “Excellent Source of” certification; = Meets “Good Source of” certification; X = Does not meet either certification. 1 Reference daily intakes (RDI) dietary allowance (RDA) is the daily intake level of a nutrient that is considered to be sufficient to meet the requirements of 97–98% of healthy individuals in the United States. 2 Providing over 20% of the RDI qualifies the item to be labeled as an “excellent source” of the nutrient. Providing between 10–19% of the RDI qualifies the item to be labeled as a “good source” of the nutrient. 3 Oxtail, tripe, bone marrow, testicles, and blood were not analyzed for niacin, riboflavin, pantothenic acid, vitamin B6, or vitamin B12.