Can Japanese Traditional Foods Lower Blood Pressure in Healthy Volunteers

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

25 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-06-30

Study Completion Date

2008-09-30

Brief Summary

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The purpose of this study is to determine whether traditional japanese diet blood pressure in healthy volunteers.

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Detailed Description

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Japanese traditional diet contains considerably more nitrate/nitrite than the European foods. 80% of dietary nitrate originates from vegetables. Green leafy vegetables, especially spinach, salad and seaweed are rich in nitrates. Other vegetables contain nitrate at lower concentrations, but because they are consumed in greater quantity, they may contribute more nitrate and thus nitrite from the diet. Nitrate/nitrite is attributed multiple health benefits. Japanese people have an exceptional longevity and the lowest rate of heart diseases. On the other hand, gastric cancer rate is high too. Nitrate/nitrite is strongly correlated with these phenomena. Is this high nitrate consumption protective or damaging? Understanding dietary nitrite and nitrate consumption and its metabolism therefore becomes very important.

Aim: To compare conversion of nitrate to nitrite in Japanese people, measured in blood and in saliva during consumption of traditional Japanese foods vs European diet.

Conditions

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Blood Pressure

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Interventions

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traditional Japanese diet

10 days of nitrate rich diet (Japanese traditional). After that switch to nitrate low diet for 10 days (European foods). Study nitrate/nitrite in blood, saliva and blood pressure 3 times in each person (10 min each time). A list of Nitrate rich foods are provided.

Intervention Type DIETARY_SUPPLEMENT