Fig. 1
From: Development and validation of a novel food exchange system for Chinese pregnant women
The representative food of each category (one portion size)
a, steamed bread made of 25 g of wheat flour; b, 25 g of dry rice; c, 50 g of apple; d, 25 g of fresh lean pork; e, 25 g of fresh hairtail; f, 25 g of fresh whole chicken eggs; g, tofu made of 15 g of dry soybeans; h, 15 g of fried peanuts; i, 10 g of peanut oil; j, 125 g of fresh whole cow’s milk; k, 50 g of fresh spinach