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Phytic acid and Fe and Zn concentration in lentil ( Lens culinaris L.) seeds is influenced by temperature during seed filling period

Phytic acid and Fe and Zn concentration in lentil ( Lens culinaris L.) seeds is influenced by temperature during seed filling period,10.1016/j.foodche

Phytic acid and Fe and Zn concentration in lentil ( Lens culinaris L.) seeds is influenced by temperature during seed filling period   (Citations: 3)
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Phytic acid (PA), found in cereal and legume staple foods, is considered an antinutrient for iron (Fe) and zinc (Zn). Amongst numerous factors, temperature has a substantial effect on PA synthesis in seeds of legumes. PA, Fe, and Zn concentrations were determined for mature seeds of eleven lentil genotypes grown under simulated long term temperature regimes representative of Saskatoon, Canada (decreasing temperatures) and Lucknow, India (increasing temperatures). PA and Zn concentrations in lentil seeds were significantly higher in the rising temperature regime (8.8mg/g and 69mg/kg, respectively) than in the decreasing temperature regime (6.7mg/g and 61mg/kg, respectively). Fe concentrations followed the same trend (116 vs. 113mg/kg). The cooler temperatures of temperate summers might be an important factor in the production of seeds with lower PA concentrations. These results are relevant to the development of biofortification strategies aimed at lowering the PA content in staple crops.
Journal: Food Chemistry - FOOD CHEM , vol. 122, no. 1, pp. 254-259, 2010
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    • ...These findings are consistent with the relatively good bioavailability of lentil Fe. However, breeding to eliminate PA in plants is not advisable because PA is vital to retaining micronutrients in developing seeds (Thavarajah et al. 2010b)...
    • ...Although the differences were not significant, lentil Fe concentration followed the same trend (Thavarajah et al. 2010b)...

    Dil Thavarajahet al. The potential of lentil ( Lens culinaris L.) as a whole food for incre...

    • ...Micronutrient and PA concentrations in the pulse lentil may vary depending on the geographical location, plant genotype, soil factors, temperature, and other growing season conditions [18, 19]...
    • ...Selected replicated seed samples grown in each plot were prepared using a modiWed PA extraction method described [6, 19]...
    • ...For example, previous Canadian grown lentils are a good source of Fe, Zn [19], and Se [18, 29] compared with lentil grown under long-term temperature regimes typical of Lucknow, India [19]...
    • ...For example, previous Canadian grown lentils are a good source of Fe, Zn [19], and Se [18, 29] compared with lentil grown under long-term temperature regimes typical of Lucknow, India [19]...

    Rosalind A. Bueckertet al. Phytic acid and mineral micronutrients in field-grown chickpea ( Cicer...

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