Question:

The anti-nutritional factor in many pulses is .

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Three of the options are B-vitamins the body needs; only one binds minerals and blocks their absorption.
  • Biotin
  • Niacin
  • Pantothenic acid
  • Phytic acid
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The Correct Option is D

Solution and Explanation

Step 1: Anti-nutritional factors are compounds in food that reduce the absorption or utilization of nutrients.
Step 2: Phytic acid, found widely in pulses and cereals, binds minerals like iron, zinc and calcium into insoluble complexes, lowering their bioavailability. It is one of the classic anti-nutritional factors reported in pulses along with trypsin inhibitors and tannins.
Step 3: Biotin, niacin and pantothenic acid are all B-complex vitamins that the body needs, not compounds that block nutrient absorption. So the correct answer is phytic acid, option 4.
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