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LC–TOF-MS/MS and GC-MS based phytochemical profiling and evaluation of wound healing activity of Oroxylum Indicum (L.) Kurz (Beka)

Affiliation
Faculty of Agro-Based Industry ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Abdulhafiz, Ferid;
Affiliation
Faculty of Veterinary Medicine ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Reduan, Mohd Farhan Hanif;
Affiliation
Faculty of Veterinary Medicine ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Hisam, Anwar Hazim;
Affiliation
Faculty of Veterinary Medicine ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Mohammad, Ibtihal;
Affiliation
Faculty of Agro-Based Industry ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Abdul Wahab, Ikarastika Rahayu;
Affiliation
Faculty of Veterinary Medicine ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Abdul Hamid, Fathin Faahimaah;
Affiliation
Faculty of Agro-Based Industry ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Mohammed, Arifullah;
Affiliation
Faculty of Veterinary Medicine ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Nordin, Muhammad Luqman;
Affiliation
Faculty of Veterinary Medicine ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Shaari, Rumaizi;
Affiliation
Faculty of Veterinary Medicine ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Bakar, Luqman Abu;
Affiliation
Faculty of Agro-Based Industry ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Kari, Zulhisyam Abdul;
Affiliation
Faculty of Agro-Based Industry ,Universiti Malaysia Kelantan ,Kota Bharu ,Malaysia
Wei, Lee Seong;
Affiliation
Faculty of Data Science and Information Technology ,INTI International University ,Nilai ,Malaysia
Goh, Khang Wen;
Affiliation
Department of Orthopaedics ,School of Medical Sciences ,Universiti Sains Malaysia ,Kubang Kerian ,Malaysia
Ahmad Mohd Zain, Muhammad Rajaei

Background: Beka ( Oroxylum indicum (L.) Kurz) has been used as a culinary herb and natural remedy by the local communities in Malaysia. The leaf of O. indicum is traditionally used for the treatment of diarrhea, high blood pressure, and improving digestive health. Objectives: The present study was conducted to evaluate the phytochemical constituents and wound healing properties ( in vitro and in vivo models) of aqueous and ethanol extracts of O. indicum leaves. Methods: The total phenolic (TPC) and total flavonoid (TFC) contents in the plant extracts were determined by the spectrophotometric methods. Further, the extract was characterized by Liquid Chromatography Time-of-Flight Mass Spectrometry (LC-TOF-MS/MS) and Gas Chromatography-Mass Spectrometry (GC-MS). The wound healing activity was assessed using the in vitro scratch wound-healing assay and in vivo excisional wound model. Results: The results show the ethanol leaves extract had the higher TPC (164 mg GAE/g) when compared with the aqueous leaves extract (30 mg gallic acid equivalents/g). The ethanol leaves extract was also found to have higher TFC (101 mg Catechin equivalents/g) than the aqueous leaves extract (76 mg Catechin equivalents/g). The ethanol leaves extract was then used for further chemical analysis. The LC–TOF-MS/MS analysis showed that the leaves extracts of O. indicum contains many important compounds such as Orientin, Chrysin, Pinoquercetin, Cupressuflavone, Puerarin xyloside, Forsythiaside and Paederoside. In GC-MS analysis, 19 compounds were identified in ethanolic leaves extract. The wound healing studies shows that O. indicum has promising wound healing activity by increasing the rate of wound contraction significantly ( p < 0.05). Conclusion: In conclusion, the present study showed that O. indicum leaf contains important phytochemicals and the wound healing potential of the O. indicum extract may probably be as a result of the presence of various phytoconstituents.

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License Holder: Copyright © 2022 Abdulhafiz, Reduan, Hisam, Mohammad, Abdul Wahab, Abdul Hamid, Mohammed, Nordin, Shaari, Bakar, Kari, Wei, Goh and Ahmad Mohd Zain.

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