Assertion: mustard seed's benefit | /r/HasProperty | outweighed by the harm of erucic acid
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Source sentences:
text: One found that mustard oil had no protective effect on the heart, and the authors reckoned that the benefits of alpha-linolenic acid were outweighed by the harm of erucic acid, while another study found that mustard oil had a protective effect, and the authors reckoned that the benefits of alpha-linolenic acid outweighed the harm of erucic acid.