A placebo-controlled study was conducted to test the effect of Calpis (Calpis Food Industry Co, Ltd, Tokyo, Japan) sour milk, i.e., a milk fermented with a starter containing Lactobacillus helveticus and Saccharomyces cerevisiae, on the blood pressure of 30 elderly hypertensive patients, most of whom were taking antihypertensive medication. Subjects were randomly assigned to two groups. One group ingested daily 95 mL of the sour milk for 8 wk, and the other group ingested the same amount of artificially acidified milk as a placebo for 8 wk. In the sour-milk group, systolic blood pressure decreased significantly 4 and 8 wk after ingestion, by 9.4 +/- 3.6 mm Hg (mean+/- SE, P < 0.05) and 14.1 +/- 3.1 mm Hg (P < 0.01), respectively. The diastolic blood pressure also decreased significantly, by 6.9 +/- 2.2 mm Hg (P < 0.01), by 8 wk after ingestion of the sour milk began. No significant changes in blood pressure were observed in the placebo group. The decrease in systolic and diastolic blood pressure in the sour-milk group tended to be greater than in the placebo group. No marked changes were observed in other indexes, including pulse rate, body weight, and blood serum variables in both groups.

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BackgroundEpicardial adipose tissue (EAT) releases both adiponectin and TNFα, and these two adipokines play important roles in heart diseases such as coronary arterial disease. The aim of the present study was to clarify whether fatty acid (FA) profiles in EAT are linked to the serum concentration of these adipokines. The relationships between serum adipokine levels and FA profiles in patients undergoing cardiovascular surgery were analyzed.MethodsPatients (n = 21) undergoing cardiovascular surgery (11 males, 70.4 ± 9.0 years, BMI 26.0 ± 5.1 kg/m2) were included. EAT samples were taken. We measured clinical biochemical data and FA profiles in venous blood and EAT samples using gas chromatography. Serum adiponectin and TNFα concentrations were also measured.ResultsThe adiponectin and TNFα levels were not correlated with any fatty acid concentration in serum lipids. In contrast, there was a positive correlation between the serum adiponectin level and epicardial level of nervonic acid (C24:1ω9, r = 0.525, P = 0.025). In multiple regression analysis, adiponectin showed a positive association with the epicardial C24:1ω9 concentration after controlling for age and BMI, or TG, non-HDL-C, and BNP. The serum TNFα concentration was negatively correlated with the epicardial C18:3ω3, C12:0 and C18:0 content. In multiple regression analysis, the serum TNFα concentration showed a positive association with the epicardial C18:3ω3 level (β = − 0.575, P = 0.015).ConclusionsThese results suggest that there is a close relationship between epicardial FA profiles and serum levels of adiponectin and TNFα. Dietary therapy to target FA profiles may be helpful to modulate inflammation.