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has been cited by the following article:

• TITLE: Determination of Major Carotenoids in Processed Tropical Leafy Vegetables Indigenous to Africa

  AUTHORS: Viviane Nkonga Djuikwo Djuikwo, Richard Aba Ejoh, Inocent Gouado, Carl Moses Mbofung, Sherry A. Tanumihardjo

  KEYWORDS: Carotenoids, Processing, Vegetables, Vitamin A Component

  JOURNAL NAME: Food and Nutrition Sciences, Vol.2 No.8, October 17, 2011

  ABSTRACT: Tropical leafy-vegetables (n = 21) indigenous to Cameroon, Africa, were collected, processed, and analyzed for carotenoids by HPLC. The processing techniques used were oven drying; sun-drying; squeeze-washing and boiling; and a combination of boiling in alkaline salt and squeeze-washing. Carotenoids included lutein, α-carotene, zeaxanthin, β-cryptoxanthin, and β-carotene (all-trans, 13-cis, and 9-cis), which varied by species (P 40% of total carotenoids. Traditional preparation and processing procedures led to significant losses of carotenoids and β-carotene was most affected during sun-drying with a maximum of 73.8% loss observed in A. acanthochiton.