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Abstract ▼ AI-Helper

Twelve varieties of yellow sweet potatoes were measured for carotenoids content to assess their potential as a source of natural food colorant. Benihayato variety had the highest content of carotenoids (20.2 mg/100 g fr wt) but other varieties ranged with $4.6{\sim}16.7\;mg/100\;g$ fr wt....

Twelve varieties of yellow sweet potatoes were measured for carotenoids content to assess their potential as a source of natural food colorant. Benihayato variety had the highest content of carotenoids (20.2 mg/100 g fr wt) but other varieties ranged with $4.6{\sim}16.7\;mg/100\;g$ fr wt. Hunter's +a-values (redness) increased linearly $(R^{2}=0.826)$ with carotenoids content of yellow sweet potatoes. Absorption spectrum of carotenoids extracted from the Benihayato variety was similar to that of standard ${\beta}-carotene$ indicating that carotenoids in yellow sweet potato are mostly composed of ${\beta}-carotene$.

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