Abstract: 【Objective】 To explore the dietary macronutrients intake in middle-aged and elderly residents of Guangzhou community

and their influence on blood lipid. 【Method】 Stratified and cluster randomized sampling method for selecting subjects was used. 578 male and 804 female

more than 40 years old

were enrolled in local communities in Guangzhou. The dietary status was assessed with food frequency questionnaire (FFQ). Physical condition

plasma total cholesterol (TC)

triglycerides (TG)

high density lipoprotein-cholesterol (HDL-C) and low density lipoprotein-cholesterol (LDL-C) were measured. Energy-supplying nutrients were regarded as independent variables and plasma lipids as dependent variables when we performed stepwise multiple linear regression analysis to analyze correlation between energy-supplying nutrients and plasma lipids. 【Results】 The total energy (en) and protein intakes were beyond the Dietary Reference Intakes (DRI

2013) in both men and women (P < 0.05). Dietary carbohydrate proportions of total energy were 54.43% and 52.69% respectively in men and women

which were both well within the Acceptable Macronutrient Distribution Range (AMDR). Dietary fat proportion of total energy was 31.02% in men

which was slightly above the AMDR

while the proportion in women was 29.91% and reached the upper limit of the normal range of AMDR. In a multiple linear regression analysis

LDL-C was correlated with energy intake and MUFA % en (standard partial regression coefficient β = 0.219 and -0.132

respectively

P < 0.05)

while HDL-C was correlated with energy intake (β = -0.182

P < 0.05) and TG was correlated with PUFA% en

dietary fiber intakes and carbohydrate % en (β = -0.218

-0.184 and 0.159

respectively

P < 0.05) in men. In women

TC was correlated with PUFA % en and fat % en (β = -0.188 and 0.193

respectively

P < 0.05)

while LDL-C was correlated with cholesterol intakes and MUFA % en (β = 0.199 and -0.176

respectively

P < 0.05)

HDL-C was correlated with MUFA % en (β = 0.110

P < 0.05) and TG was correlated with fat % en (β = 0.143

P < 0.05). 【Conclusion】 The intake of total energy

cholesterol

dietary fiber and the energy-supplying proportion of carbohydrate

fat

MUFA and PUFA may be important factors influencing on plasma lipids.