NUTRITION – DAIRY – THE FAT IN DAIRY PRODUCTS


1 RESEARCH ARTICLE


EFFECT OF WHOLE MILK COMPARED WITH SKIM MILK ON FASTING BLOOD LIPIDS IN HEALTHY ADULTS – 2017


BACKGROUND/OBJECTIVES
– Dietary guidelines have for decades recommended choosing low-fat dairy products due to the high content of saturated fat in dairy
– Saturated fat is known to increase blood concentration of LDL cholesterol
– However, meta-analyses including observational studies show no association between overall dairy intake and risk of cardiovascular disease and even point to an inverse association with type 2 diabetes
– The objective was to compare the effects of whole milk (3.5% fat) with skimmed milk (0.1% fat) on fasting serum blood lipids, insulin, and plasma glucose in healthy subjects
SUBJECT/METHODS
– 2 × 3-week dietary intervention in 18 healthy adults
– 0.5 L/d of whole milk and skimmed milk as part of their habitual diet
RESULTS
– Whole milk increased HDL cholesterol concentrations significantly compared to skimmed milk
– There were no significant differences between whole milk and skimmed milk in effects on total and LDL cholesterol, triacylglycerol, insulin, and glucose concentrations
CONCLUSIONS
– 0.5 L/d of whole milk did not adversely affect fasting blood lipids, glucose, or insulin compared to skimmed milk
– Intake of whole milk increased HDL cholesterol concentration compared to skimmed milk


 

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