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Abstract Title:

Dose-Response Effect of Tualang Honey on Postprandial Antioxidant Activity and Oxidative Stress in Female Athletes: A Pilot Study.

Abstract Source:

J Altern Complement Med. 2017 Jul 14. Epub 2017 Jul 14. PMID: 28708420

Abstract Author(s):

Nur Syamsina Ahmad, Azlina Abdul Aziz, Kin Weng Kong, Mohamad Shariff A Hamid, Jadeera Phaik Geok Cheong, Sareena Hanim Hamzah

Article Affiliation:

Nur Syamsina Ahmad

Abstract:

OBJECTIVES: Tualang honey (TH) contains antioxidants such as ascorbic acid, phenolic acids, and flavonoids that may be protective against oxidative stress of exercise. The aim of this study was to examine the postprandial antioxidant activity and oxidative stress after ingestion of high and low dosages of TH in female athletes.

MATERIALS AND METHODS: Twenty female athletes (aged 21.3 [2.1] years; body weight [BW] 54.1 [5.7] kg) were randomly assigned into two groups and consumed either 1.5 g/kg BW TH (high honey; HH; n = 10) or 0.75 g/kg BW TH (low honey; LH; n = 10). Blood sample was collected at fasting and at 0.5, 1, 2, and 3 h after TH consumption. Plasma was analyzed for total phenolic content (TPC), antioxidant activity (ferric reducing antioxidant power [FRAP]),and oxidative stress biomarkers (malondialdehyde [MDA] and reactive oxygen species [ROS]).

RESULTS: The 3-h area under the curve (AUC) for MDA was significantly lower in the LH group compared with HH group, suggesting less oxidative stress in the LH group. However, the AUCs for TPC, FRAP, and ROS were not affected by the dosages. The concentrations of TPC and FRAP increased from baseline to 2 and 1 h after TH consumption, respectively, and concentrations returned toward baseline at 3 h in both LH and HH groups. MDA concentration significantly decreased (p < 0.05) from baseline to 2 h and significantly increased from 2 to 3 h in the HH group. Meanwhile, ROS levels increased significantly from 0.5 to 3 h in the HH group. The LH group showed similar trends as the HH group for MDA and ROS; however, this was not significant.

CONCLUSIONS: The consumption of high and low doses of TH demonstrated a comparable response in increasing antioxidant activity and suppressing oxidative stress in female athletes. The time-course effect of TH that provides optimal antioxidant activity and oxidative stress protection was between 1 and 2 h after its consumption.

Study Type : Human Study

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Sayer Ji
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