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The effects of sour tea (Hibiscus sabdariffa) on hypertension in patients with type II diabetes.
J Hum Hypertens. 2009 Jan; 23(1):48-54.JH

Abstract

To compare the antihypertensive effectiveness of sour tea (ST; Hibiscus sabdariffa) with black tea (BT) infusion in diabetic patients, this double-blind randomized controlled trial was carried out. Sixty diabetic patients with mild hypertension, without taking antihypertensive or antihyperlipidaemic medicines, were recruited in the study. The patients were randomly allocated to the ST and BT groups and instructed to drink ST and BT infusions two times a day for 1 month. Their blood pressure (BP) was measured on days 0, 15 and 30 of the study. The mean of systolic BP (SBP) in the ST group decreased from 134.4+/-11.8 mm Hg at the beginning of the study to 112.7+/-5.7 mm Hg after 1 month (P-value <0.001), whereas this measure changed from 118.6+/-14.9 to 127.3+/-8.7 mm Hg (P-value=0.002) in the BT group during the same period. The intervention had no statistically significant effect on the mean of diastolic BP (DBP) in either the ST or BT group. The mean pulse pressure (PP) of the patients in the ST group decreased from 52.2+/-12.2 to 34.5+/-9.3 mm Hg (P-value <0.001) during the study, whereas in the BT group, it increased from 41.9+/-11.7 to 47.3+/-9.6 mm Hg (P-value=0.01). In conclusion, consuming ST infusion had positive effects on BP in type II diabetic patients with mild hypertension. This study supports the results of similar studies in which antihypertensive effects have been shown for ST.

Authors+Show Affiliations

Department of Nutrition, Faculty of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. mozaffari_h@hotmail.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

18685605

Citation

Mozaffari-Khosravi, H, et al. "The Effects of Sour Tea (Hibiscus Sabdariffa) On Hypertension in Patients With Type II Diabetes." Journal of Human Hypertension, vol. 23, no. 1, 2009, pp. 48-54.
Mozaffari-Khosravi H, Jalali-Khanabadi BA, Afkhami-Ardekani M, et al. The effects of sour tea (Hibiscus sabdariffa) on hypertension in patients with type II diabetes. J Hum Hypertens. 2009;23(1):48-54.
Mozaffari-Khosravi, H., Jalali-Khanabadi, B. A., Afkhami-Ardekani, M., Fatehi, F., & Noori-Shadkam, M. (2009). The effects of sour tea (Hibiscus sabdariffa) on hypertension in patients with type II diabetes. Journal of Human Hypertension, 23(1), 48-54. https://doi.org/10.1038/jhh.2008.100
Mozaffari-Khosravi H, et al. The Effects of Sour Tea (Hibiscus Sabdariffa) On Hypertension in Patients With Type II Diabetes. J Hum Hypertens. 2009;23(1):48-54. PubMed PMID: 18685605.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effects of sour tea (Hibiscus sabdariffa) on hypertension in patients with type II diabetes. AU - Mozaffari-Khosravi,H, AU - Jalali-Khanabadi,B-A, AU - Afkhami-Ardekani,M, AU - Fatehi,F, AU - Noori-Shadkam,M, Y1 - 2008/08/07/ PY - 2008/8/8/entrez PY - 2008/8/8/pubmed PY - 2009/3/13/medline SP - 48 EP - 54 JF - Journal of human hypertension JO - J Hum Hypertens VL - 23 IS - 1 N2 - To compare the antihypertensive effectiveness of sour tea (ST; Hibiscus sabdariffa) with black tea (BT) infusion in diabetic patients, this double-blind randomized controlled trial was carried out. Sixty diabetic patients with mild hypertension, without taking antihypertensive or antihyperlipidaemic medicines, were recruited in the study. The patients were randomly allocated to the ST and BT groups and instructed to drink ST and BT infusions two times a day for 1 month. Their blood pressure (BP) was measured on days 0, 15 and 30 of the study. The mean of systolic BP (SBP) in the ST group decreased from 134.4+/-11.8 mm Hg at the beginning of the study to 112.7+/-5.7 mm Hg after 1 month (P-value <0.001), whereas this measure changed from 118.6+/-14.9 to 127.3+/-8.7 mm Hg (P-value=0.002) in the BT group during the same period. The intervention had no statistically significant effect on the mean of diastolic BP (DBP) in either the ST or BT group. The mean pulse pressure (PP) of the patients in the ST group decreased from 52.2+/-12.2 to 34.5+/-9.3 mm Hg (P-value <0.001) during the study, whereas in the BT group, it increased from 41.9+/-11.7 to 47.3+/-9.6 mm Hg (P-value=0.01). In conclusion, consuming ST infusion had positive effects on BP in type II diabetic patients with mild hypertension. This study supports the results of similar studies in which antihypertensive effects have been shown for ST. SN - 0950-9240 UR - https://www.unboundmedicine.com/medline/citation/18685605/The_effects_of_sour_tea__Hibiscus_sabdariffa__on_hypertension_in_patients_with_type_II_diabetes_ L2 - http://dx.doi.org/10.1038/jhh.2008.100 DB - PRIME DP - Unbound Medicine ER -