Potential Cosmeceutical Applications and Evaluation of Human Skin Irritation of Tagetes erecta L. Flower Extract
Catheleeya Mekjaruskul1★, Supakanya Kumkarnjana1, Niramai Fangkrathok2, Worapol Kengkittipat1, Nuttawut Sirichat1★ Corresponding author
- 1Faculty of Pharmacy, Mahasarakham University, Kantharawichai, Maha Sarakham, THAILAND.
- 2Faculty of Agricultural Technology, Burapha University, Sakaeo Campus, Watthana Nakhon, Sa Kaeo, THAILAND.
CORRESPONDENCE
Catheleeya Mekjaruskul
Faculty of Pharmacy, Mahasarakham University, Kantharawichai, Maha Sarakham, THAILAND.
Received: 14-07-2021; Revised: 27-08-2021; Accepted: 18-09-2021.
Volume 13, Issue 4 · pp. 199–207 · PUBLISHED 1 October 2021 · DOI: 10.5530/pres.13.4.12
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ABSTRACT
Background: Tagetes erecta L. has been traditionally used for treatment of skin diseases.Objectives:This study aimed to evaluatein vitro skin anti-aging, antioxidant, antibacterial activities, and human skin irritation of T. erecta flower extract for development as a cosmeceutical skin product using aqueous, 50%, and 95% ethanolic extracts of T. erecta flower. Methods: Total phenolic content was defined. Quantitative analysis of syringic acid was determined by using HPLC. Antioxidant activities were performed by measurement of 2,2-diphenyl 1-pichylhydazyl free radical scavenger. Anti-aging assays were monitored inhibitory effects on tyrosinase, elastase, hyaluronidase, and collagenase activities. Antibacterial effects against Staphylococcus aureus and Staphylococcus epidermidiswas also investigated. The extract was formulated as a lotion and its stability study was evaluated and human skin irritation tests were performed. Results: The 95% ethanolic extract had significantly higher total phenolic content and syringic acid content than the other extracts. The 95% ethanolic extract also had stronger inhibitory activities on DPPH scavenging and against tyrosinase, elastase and hyaluronidase enzyme activities than those of 50% ethanolic or water extracts. The 95% ethanolic extracts showed a better antibacterial activity against S. aureus and S. epidermidis. The developed lotion containing 1% ofT. erecta extract using 95% ethanol was stable. Moreover, skin irritation was not observed in healthy volunteers after applying the T. erecta lotion. Conclusion: This study indicates thatT. erectaflower extracts, especially a 95% ethanolic extract, are potential sources for development of cosmeceutical skin products against enzymes/reactions responsible for skin aging and bacterial skin infection.
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Mekjaruskul, C., Kumkarnjana, S., Fangkrathok, N., Kengkittipat, W., & Sirichat, N. (2021). Potential Cosmeceutical Applications and Evaluation of Human Skin Irritation of Tagetes erecta L. Flower Extract. Pharmacognosy Research, 13(4), 199–207. https://doi.org/10.5530/pres.13.4.12