Therefore there may be no obvious sign that some irradiated foods have subsequently become unsafe to eat. This is an important aspect of food irradiation and one that requires further investigation.

• 因此,可能还没有明显的证据表明,一些辐照过的食物随后变得不能安全食用。这是食物辐照科学的一个重要方面,值得进一步研究。