Publication: Effect of ultraviolet-C radiation and melatonin stress on biosynthesis of antioxidant and antidiabetic metabolites produced in in vitro callus cultures of lepidium sativum L.
Issued Date
2019-04-01
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ISSN
14220067
16616596
16616596
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2-s2.0-85064825644
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Mahidol University
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SCOPUS
Bibliographic Citation
International Journal of Molecular Sciences. Vol.20, No.7 (2019)
Suggested Citation
Muhammad Asad Ullah, Duangjai Tungmunnithum, Laurine Garros, Samantha Drouet, Christophe Hano, Bilal Haider Abbasi Effect of ultraviolet-C radiation and melatonin stress on biosynthesis of antioxidant and antidiabetic metabolites produced in in vitro callus cultures of lepidium sativum L.. International Journal of Molecular Sciences. Vol.20, No.7 (2019). doi:10.3390/ijms20071787 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/50217
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Title
Effect of ultraviolet-C radiation and melatonin stress on biosynthesis of antioxidant and antidiabetic metabolites produced in in vitro callus cultures of lepidium sativum L.
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Abstract
© 2019 by the authors. Licensee MDPI, Basel, Switzerland. Lepidium sativum L. is a rich source of polyphenols that have huge medicinal and pharmaceutical applications. In the current study, an effective abiotic elicitation strategy was designed for enhanced biosynthesis of polyphenols in callus culture of L. sativum. Callus was exposed to UV-C radiations for different time intervals and various concentrations of melatonin. Secondary metabolites were quantified by using high-performance liquid chromatography (HPLC). Results indicated the total secondary metabolite accumulation of nine quantified compounds was almost three fold higher (36.36 mg/g dry weight (DW)) in melatonin (20 µM) treated cultures, whereas, in response to UV-C (60 min), a 2.5 fold increase (32.33 mg/g DW) was recorded compared to control (13.94 mg/g DW). Metabolic profiling revealed the presence of three major phytochemicals, i.e., chlorogenic acid, kaemferol, and quercetin, in callus culture of L. sativum. Furthermore, antioxidant, antidiabetic, and enzymatic activities of callus cultures were significantly enhanced. Maximum antidiabetic activities (α-glucosidase: 57.84%; α-amylase: 62.66%) were recorded in melatonin (20 µM) treated callus cultures. Overall, melatonin proved to be an effect elicitor compared to UV-C and a positive correlation in these biological activities and phytochemical accumulation was observed. The present study provides a better comparison of both elicitors and their role in the initiation of physiological pathways for enhanced metabolites biosynthesis in vitro callus culture of L. sativum.