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Vitamin A equivalence of spirulina β-carotene in Chinese adults as assessed by using a stable-isotope reference method
Vitamin A β-carotene
2016/12/30
In a group of well-nourished, normal-weight Chinese men following low-vitamin A diets, 4.5 mg spirulina β-carotene consumed with 22 g fat has the same vitamin A activity as does 1 mg retinyl acetate.