Assessment of in vitro Anti-inflammatory and Anti-acne-inducing Bacterial Activities of Kameng (Eclipta prostrata Linn.) Cultivated in Suphan Buri Province, Thailand

Nadaphast Koomklang; Namooy Panya

doi:10.59796/jcst.V14N2.2024.27

Authors

Nadaphast Koomklang Faculty of Science and Technology, Rajamangala University of Technology Suvarnabhumi, Phra Nakhon Si Ayutthaya 13000, Thailand
Namooy Panya Faculty of Science and Technology, Rajamangala University of Technology Suvarnabhumi, Phra Nakhon Si Ayutthaya 13000, Thailand

DOI:

https://doi.org/10.59796/jcst.V14N2.2024.27

Keywords:

Kameng extract, Anti-acne inducing bacterial activities, In vitro anti-inflammatory, Protein degradation, Proteinase inhibitory assays

Abstract

This research investigates extracts from Kameng (Eclipta prostrata Linn.), originally employed in traditional medicinal recipes, with the aim of developing an extract that can serve as an alternative to antibiotics. For this purpose, the anti-inflammatory and anti-acne-inducing bacterial activities of Kameng crude ethanol extract, grown in Suphan Buri Province were investigated, with anti-inflammatory properties assessed by the inhibition of protein degradation and proteinase inhibitory assays. Findings indicated the potential of Kameng extracts as anti-inflammatory drugs that reduce protein degradation and proteinase activities. Kameng extract concentrations ranging from 0.4 to 4.0 x 10⁴ ppm inhibited protein degradation and proteinase activity by 14.66%-50.75% and 28.57%-72.08%, respectively. The agar disc diffusion method revealed that Kameng extracts had strong inhibitory effects against S. aureus and C. acnes, with inhibition zone diameters of 31.15±0.47 and 37.28±0.47 mm, respectively. The minimal inhibitory concentration (MIC) of Kameng extract against S. aureus and C. acnes was 5.0 mg/mL and 2.5 mg/mL while minimal bactericidal concentration (MBC) of Kameng extract against S. aureus and C. acnes was 20.0 mg/mL and 10.0 mg/mL, respectively. Results suggested the potential of Kameng extract to cure acne and skin inflammation as a herbal cosmetic product.

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