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Effect of Tender Coconut Water on Systolic and Diastolic Blood Pressure in Prehypertensive Women

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Background: The incident of prehypertension in Indonesia has started since young adulthood. One of the risk factors of prehypertension is low potassium intake. Dietary intakes of high potassium will decrease blood pressure (BP). Tender coconut water (TCW) is a typical drink high in potassium. This study aimed to investigate the effect of TCW on BP in female teachers and employees prehypertension.

Methods: The research was a parallel single blind randomized clinical trial. A total of 32 female
prehypertension subjects aged 25-44 years. The subjects were selected using certain criteria and randomly allocated to one of two groups using block randomized, 16 subjects each. The treatment group received TCW 300 ml twice daily for 14 days and nutritional counseling, and the control group received water 300 ml twice daily for 14 days and nutritional counseling. Assessment of BP was done on day 0, day 8, and day 15. Statistical analysis were done using t-test and Mann-Whitney test.

Results: Mean dietary intakes of potassium were 1420.28±405.54 mg/day or 30.22±8.63% compared to Recommended Dietary Allowance (RDA). During treatment period, potassium intake increased significantly in the treatment group. There were decreased BP in both groups, which were greater in the treatment group, but not statistically significant different (P > 0.05). The mean decrease of systolic BP was significant in treatment group (P = 0.031), meanwhile the mean decrease of diastolic BP was not significant (P=0.134).

Conclusion: Tender coconut water 300 ml twice daily for 14 consecutive days has tendency to decrease systolic BP, but not diastolic blood pressure. (Health Science Indones 2013;2: 64-8)

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Series Title

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Call Number

Health Sciences Journal of Indonesia, 4(2):64-68

Publisher

Jakarta : Sekretariat Badan Litbang Kesehatan., 2013

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Language

English

ISBN/ISSN

2087-7021

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Edition

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Subject(s)

blood pressure
COCOS

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