肉类和肉类替代品-其中包括家禽，鱼，干豆，鸡蛋和坚果-富含蛋白质，磷，维生素b6和B12，锌，镁，铁，烟酸和硫铵。
The meat and meat alternatives - which include poultry, fish, dry beans, eggs and nuts - are rich sources of protein, phosphorus, vitamins B6 and B12, zinc, magnesium, iron, niacin and thiamin.
含铁硫中心一直被称为非血红素铁的蛋白质。
Proteins that contain iron-sulfur centers are always referred to as nonheme iron proteins.
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