Response surface approach to optimize temperature, pH and time on antioxidant properties of wild bush (Plectranthus rugosus) honey from high altitude region (Kashmir Valley) of India

In this study, the combined effect of temperature (60 to 80 °C) time (10 to 15 min.) and pH (3 to 6) was employed on the anti-oxidant potential (1,1-diphenyl-2-picrylhydrazyl-radical scavenging activity-DPPH-RSA, total phenolic content-TPC, and total flavonoid content-TFC) of wild bush Indian honey...

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Bibliographic Details
Published in:Saudi journal of biological sciences 2022-02, Vol.29 (2), p.767-773
Main Authors: Ahmad Nayik, Gulzar, Nanda, Vikas, Zohra, Beenish, Dar, B.N., Javed Ansari, Mohammad, Al Obaid, Sami, Bobis, Otilia
Format: Article
Language:English
Subjects:
Antioxidant activity
Flavonoid contents
Original
Phenolic contents
Wild bush honey
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Summary:In this study, the combined effect of temperature (60 to 80 °C) time (10 to 15 min.) and pH (3 to 6) was employed on the anti-oxidant potential (1,1-diphenyl-2-picrylhydrazyl-radical scavenging activity-DPPH-RSA, total phenolic content-TPC, and total flavonoid content-TFC) of wild bush Indian honey from high altitudes of Kashmir Valley by using response surface methodology (RSM). The statistical analysis showed that all the process variables had a substantial effect on the responses related to DPPH-RSA, TFC, and TPC, all of which increased as temperature and time increased. With an increase in pH, the antioxidant activity of wild bush honey was significantly decreased. The heat treatment of honey at high temperature (80 °C) was found to be more efficacious than at 70 and 60 °C, respectively. The findings showed that at higher temperature, browning pigments were formed which enhanced considerably the antioxidant activity of honey.
ISSN:1319-562X
2213-7106
DOI:10.1016/j.sjbs.2021.10.049