(White-fleshed sweetpotatoes (Ipomoea batatas (L) Lam) are...)
White-fleshed sweetpotatoes (Ipomoea batatas (L) Lam) are a major food crop in Uganda. This study was done to evaluate carotenoid content in sweetpotatoes and to relate the color of the sweetpotatoes to the β-carotene present. A Hunter Color Tristimulus Meter was used to determine the color and the β-carotene was determined by reverse-phase HPLC. Regression analysis was carried out on the color values L, a, b, b/a and tan-1 b/a to determine which color value could be used to express the content of β-carotene in white-fleshed sweetpotatoes. The ‘b’ color value appeared to be the best estimation for correlation at 0·74 in this study for raw roots and 0·09 for purée. The ‘a’ value was 0·39 for raw roots and 0·16 for purée, L was -0·74 for raw roots and -0·45 for purée. © 1997 SCI
Bachelor of Science, Makerere University, Kampala, Uganda, 1979; Master of Science , University Wales, Bangor, 1984; Doctor of Philosophy in Food Sci., Louisiana State University, 1994.
Research assistant University Wales, 1982-1983; production manager brewery, Kampala, 1984-1985; research associate Louisiana State University, Baton Rouge, 1990-1994; research assistant Makerere University, 1979-1982, lecturer food science, 1985-1990, senior lecturer, since 1995; Consultant Food and Agriculture Organization, United Nations Educational, Uganda Ministry Agriculture, Kampala, 1989-1990, 96-97. Contributor articles to science journals, including Journal Sci. Food and Agriculture, African Crop Sci. Journal, Nutrition Research, Tropical Sci.; inventor jam, dessert and candy bars from sweet potatoes.
(White-fleshed sweetpotatoes (Ipomoea batatas (L) Lam) are...)1997
Spouse Milly Gloria Apio, November 22, 1982 (divorce).