Cooked meat contains very little vitamin c, notes Donald Beitz, a nutritional biochemist at Iowa State University.
爱荷华州立大学营养生物化学家Donald Beitz指出，烹制过的肉类的维他命c含量很少。
Cooked meat contains very little vitamin c, notes Donald Beitz, a nutritional biochemist at Iowa State University.
爱荷华州立大学营养生物化学家Donald Beitz指出，烹制过的肉类的维他命c含量很少。
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