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Very low level of protein denaturation and aggregation is found in following dried milk with a WPNI of ma/g
EXPLANATION
Milk Powder Chemistry
- Whey Protein Nitrogen Index (WPNI) Classification:
- ADPI Standards for Nonfat Dry Milk:
- Measures undenatured whey protein nitrogen per gram of powder ($\text{mg WPN/g}$):
- Low-Heat Milk Powder: $\ge 6.0\text{ mg WPN/g}$ (very low level of protein denaturation).
- Medium-Heat Milk Powder: $1.5 - 5.9\text{ mg WPN/g}$.
- High-Heat Milk Powder: $\le 1.5\text{ mg WPN/g}$ (severe denaturation).
- Conclusion: ≥ 6.0 (Option 2).
Correct option: (2) 26.0
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