II.Diet Nutrition Conditions
2.1 Diet Supply
2.1.1 Intake of energy and three major nutrients
In 2012, Chinese residents’ average energy intake per capita per day was 2,172kcal, with urban’ lower than rural’. Compared with that in 2002, urban residents’ intake fell slightly, while rural residents’ intake almost the same (Fig.2-1).
Fig.2-1 Comparison of Chinese Urban/Rural Residents’ Energy Intake between 2002 and 2012
In 2012, Chinese residents’ average protein intake per capita per day was 65g, with urban higher than rural, basically remaining the same as that in 2002. Fat intake was 80g, with urban higher than rural (Fig.2-2). Compared with that in 2002, fat intake increased by 4g, and national total and rural residents’ intake went up to some extent, but urban residents’ intake fell slightly,making gap between urban and rural narrower (Fig.2-3). Carbonhydrate intake was 301g, with urban lower than rural. Compared with that in 2002, Chinese urban/rural residents’ carbohydrate intake both fell slightly.
Fig.2-2 Comparison of Chinese Urban/Rural Residents’ Protein Intake between 2002 and 2012
Fig.2-3 Comparison of Chinese Urban/Rural Residents’ Fat Intake between 2002 and 2012
2.1.2 Intake of vitamin and micro-nutrients
In 2012, Chinese residents’ average retinol (Vitamin A) equivalent per capita per day was 443.5μg, with urban higher than rural; compared with that in 2002, rural residents’ intake fell by 63.7μg. Vitamin B 1 intake was 0.9mg, Vitamin B 2 intake was 0.8mg, basically close to those in 2002.
In 2012, Chinese residents’ average calcium intake per capita per day was 366.1mg:412.4mg and 321.4mg for urban and rural respectively, with a slight reduction compared with that in 2002. Iron intake was 21.5mg, the levels of urban and rural were close, and with a slight reduction compared with that in 2002. Sodium intake was 5702.7mg compared with 6268.2mg in 2002, with urban’s higher than rural’s. Zinc intake was 10.7 mg, with little difference between urban and rural, and with a slight reduction compared with that in 2002 (Fig.2-4).
Fig.2-4 Comparison of Chinese Urban/Rural Residents’ Calcium Intake between 2002 and 2012