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Vitamin D in food not decreased as much by cooking when lemon juice added – Feb 2018

Stability of vitamin D3 and vitamin D2 in oil, fish and mushrooms after household cooking

Food Chemistry, online 1 February 2018, https://doi.org/10.1016/j.foodchem.2018.01.182
Petra Ložnjak, , Jette Jakobsen

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  • Household cooking methods affect the retention of vitamin D in oil, trout, and mushrooms.
  • Lower cooking temperature results in higher vitamin D retention.
  • No difference between the retention of vitamin D3 and vitamin D2 spiked in oil.
  • Lemon juice added to boiling water increases the retention of vitamin D.

Information on the retention of vitamin D in food following household cooking is scarce. So far the retention of its metabolites vitamin D3, vitamin D2, and 25-hydroxyvitamin D3 has shown that the type of food and the cooking method are the essential determinants, and there is no significant difference between the metabolites. We investigated the retention of vitamin D3 and vitamin D2 in sunflower oil, vitamin D3 in rainbow trout, and vitamin D2 in button mushrooms. The investigated cooking methods were boiling at different pH, steam cooking, microwave cooking, pan-frying, and oven baking.

There was no difference between the retention of vitamin D3 and vitamin D2 added to sunflower oil, which ranged from 70-99%. In rainbow trout, the retention of vitamin D3 at 85-87% was not significantly lower than 100% (p≤0.05). However, the retention of vitamin D2 in mushrooms at 62-88% was significantly different from 100% (p≤0.05).

Created by admin. Last Modification: Saturday April 27, 2019 01:09:17 GMT-0000 by admin. (Version 5)

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