Antinutritional factor content and hydrochloric acid extractability of minerals in pearl millet cultivars as affected by germination

Four pearl millet cultivars of two different species-Kordofani and Ugandi (Pennisetum typhoideum) and Madelkawaya and Shambat (Pennisetum glaucum)-were germinated for 6 days. The germinated grains were dried and milled. Phytic acid and polyphenol contents and hydrochloric acid (HCl) extractability o...

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Bibliographic Details
Published in:International journal of food sciences and nutrition 2007-02, Vol.58 (1), p.6-17
Main Authors: Abdelrahaman, Samia M., Elmaki, Hagir B., Idris, Wisal H., Hassan, Amro B., Babiker, Elfadil E., El Tinay, Abdullahi H.
Format: Article
Language:English
Subjects:
Calcium - analysis
Cultivars
Dietary minerals
extractability
Flavonoids - analysis
Food Handling
Food science
Germination
Grain
Hydrochloric acid
Hydrochloric Acid - pharmacology
Iron - analysis
Manganese
Manganese - analysis
Millet
Minerals
Minerals - analysis
Nutrition
Nutritive Value
pearl millet
Pennisetum
Pennisetum - chemistry
Pennisetum - genetics
Pennisetum - physiology
Phenols - analysis
Phosphorus - analysis
Phytic acid
Phytic Acid - analysis
Polyphenols
Time Factors
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Summary:Four pearl millet cultivars of two different species-Kordofani and Ugandi (Pennisetum typhoideum) and Madelkawaya and Shambat (Pennisetum glaucum)-were germinated for 6 days. The germinated grains were dried and milled. Phytic acid and polyphenol contents and hydrochloric acid (HCl) extractability of minerals from the malt flours were determined at intervals of 2 days during germination. Phytic acid and polyphenol contents decreased significantly (P≤0.01) with an increase in germination time, with a concomitant increase in HCl extractable minerals. However, the major mineral content was significantly decreased while that of trace minerals was increased with germination time. When the grains were germinated for 6 days, Madelkawaya had higher extractable calcium while Ugandi had higher extractable phosphorus, whereas iron and manganese recorded high levels in Shambat and Madelkawaya, respectively. There was good correlation between antinutritional factors reduction and the increment in extractable minerals with germination time.
ISSN:0963-7486
1465-3478
DOI:10.1080/09637480601093236