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Effects of dried Rose Petals (Rosa damascena) on the antioxidant capacity of Green and Black Tea

Publish place: Journal of Advances in Environmental Health Research، Vol: 6، Issue: 4
Publish Year: 1397
Type: Journal paper
Language: English
View: 498

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Link to this Paper:
https://civilica.com/doc/861058

Document National Code:

JR_JAEHR-6-4_006

Index date: 29 May 2019

Effects of dried Rose Petals (Rosa damascena) on the antioxidant capacity of Green and Black Tea abstract

The health benefits of green and black tea are mainly associated with their antioxidant potential and phenolic compounds. The present study aimed to evaluate the effects of dried rose petals (Rosa damascena) on the antioxidant capacity of green and black tea. Antioxidant capacities of tea and rose infusions were assessed using 2, 2-diphenyl-1-picrylhydrazyl (DPPH) and 2, 2-azinobis-3-ethylbenzothiazoline-6-sulphonic acid (ABTS) radical scavenging. In the DPPH method, various concentrations of rose increased the radical scavenging activity of green tea, while the higher concentrations (2 g) negatively influenced the radical scavenging activity of black tea. In the ABTS assay, lower concentrations of rose (0.5 and 1 g) significantly increased the antioxidant activity of green tea. Moreover, various concentrations of rose enhanced the ABTS radical scavenging activity of black tea. According to the results, higher concentrations of rose decreased the DPPH radical scavenging activity of black tea, while the lower concentrations exerted synergistic antioxidant effects on the ABTS radical scavenging activity of green tea.

Effects of dried Rose Petals (Rosa damascena) on the antioxidant capacity of Green and Black Tea Keywords:

Rose , Antioxidant activity , Tea

Effects of dried Rose Petals (Rosa damascena) on the antioxidant capacity of Green and Black Tea authors

Javad Aliakbarlu

Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran

Shadieh Mohammadi

Department of Environmental Health engineering, Kurdistan University of Medical Science, Kurdistan, Iran

Saeed Dehestaniathar

Environmental Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran|Department of Environmental Health Engineering, Faculty of Health, Kurdistan University of Medical Sciences,

Surur Khalili Sadaghiani

Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran

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