Desenvolvimento, validação e determinação simultanea das vitaminas Tiamina (B1) e Riboflavina (B2) em vegetais folhosos não convencionais, por CLAE

AUTOR(ES)
DATA DE PUBLICAÇÃO

2002

RESUMO

In Brazil, programs of alternative feeding stimulate the consumption of new food sources. Non governmental institutions adopted the use of unconventional foods or alternative foods with the purpose of preventing and recovering malnourished children in preschool age. However, the lack of appropriate analytical methodologies turns difficult the assessment of micronutrients levels, specially vitamins, in unconventional foods. In order to fil! this deficiency, this work developed and validated a methodology for simultaneous determination of vitamins 81 and 82, by HPLC. The developed method was applied to unconventional dark green leaf vegetables, as beldroega (Oleracea Portulacca L.), caruru (Amaranthus sp), serralha (Sonchus oleraceus L), tanchagem (Tomentosa Plantago Lom.) and cassava leaf powder (Manihot esculenta). Vitamins 81 and 82 were extracted with HCI 0.1N followed by enzymatic hydrolysis. ... Note: The complete abstract is available with the full electronic digital thesis or dissertations

ASSUNTO(S)

tiamina riboflavina cromatografia liquida de alta eficiencia

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