Gamma-irradiation effects on the antioxidant properties and caffeine content of Coffea liberica beans from Lipa, Batangas

Authors

Carl Joshua M. Chianpian ⋅ PH De La Salle University, 2401 Taft Avenue, 1004 Manila, Philippines
Joriz Kevin D. Abel ⋅ PH De La Salle University, 2401 Taft Avenue, 1004 Manila, Philippines
Jade Dungao ⋅ PH De La Salle University, 2401 Taft Avenue, 1004 Manila, Philippines

Abstract

This study aims to compare the antioxidant properties and caffeine content of unirradiated and Co-60 gamma-irradiated coffee beans. The samples were irradiated with 5 and 10 Gy doses. Folin- Ciocalteu colorimetric method, 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and ultraviolet wavelength spectroscopy was used to determine the phenolic content, antioxidant activity and caffeine content, respectively. Results showed that using 10 Gy dose increased the phenolic content and the antioxidant activity with insignificant effect on the caffeine content. These results will provide the preliminary evidence that the use of 10 Gy gamma irradiation may increase the overall health benefits of coffee beans.

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Issue

2013: Proceedings of the 31st Samahang Pisika ng Pilipinas Physics Congress

Article ID

SPP2013-PB-31

Section

Poster Session PB

Published

2013-10-23

How to Cite

[1]

CJM Chianpian, JKD Abel, and J Dungao, Gamma-irradiation effects on the antioxidant properties and caffeine content of Coffea liberica beans from Lipa, Batangas, Proceedings of the Samahang Pisika ng Pilipinas 31, SPP2013-PB-31 (2013). URL: https://proceedings.spp-online.org/article/view/SPP2013-PB-31.