In many cases, they are consuming much more than the currently recommended on sodium consumption for adults, which is 2 g sodium per day which is equivalent to 5 g salt per day.”
In a study published in the US National Library of MedicineNational Institutes of Health, the effect on blood pressure of a six-week trial of low sodium soy sauce was analysed.
In the study forty men and 24 women were randomly allocated to a low-sodium group or a control group.
Low-sodium soy sauce and miso, which were approximately 25 percent and 20 percent lower in salt content than common soy sauce and miso, were used in the study.
The change in blood pressure after a six-week intervention was evaluated.
“After the six-week intervention, no significant change in blood pressure was observed in the entire cohort, noted the study.
It added: “However, in those aged 40 years and older, 6.4mmHg net reduction in diastolic blood pressure.”