Effects of gamma irradiation on changes in chemical composition and antioxidant activity of Euphorbia maculata callus

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Title
Effects of gamma irradiation on changes in chemical composition and antioxidant activity of Euphorbia maculata callus
Author(s)
G H Jeong; S Kaur; Y Yoo; Young Bae Ryu; Seo Jun Lee; K W Jung; M S Chung; H W Bai; J H Kim; S Lee; T H Kim; B Y Chung; S S Lee
Bibliographic Citation
Plants-Basel, vol. 13, no. 16, pp. 2306-2306
Publication Year
2024
Abstract
In this study, we investigated the effects of gamma irradiation on the antioxidant activity and metabolite profiles of Euphorbia maculata calli (PC3012). Gamma irradiation at various doses (0, 0.05, 0.5, and 10 kGy) significantly enhanced the 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (ABTS+) radical scavenging activities of the callus extracts of PC3012 in a dose-dependent manner. High-performance liquid chromatography (HPLC) and ultra-performance liquid chromatography-quadrupole time-of-flight/mass spectrometry (UPLC-Q-TOF/MS) analyses revealed that irradiation increased the lysophospholipid content, although no new antioxidant compounds were formed. Furthermore, a PLS-DA analysis revealed evident metabolic differences between non-irradiated and irradiated samples, which were further verified by statistical validation. These findings suggest that gamma irradiation induces specific biochemical modifications that enhance the bioactive properties of PC3012 calli. This technology exhibits potential for utilization in the natural product and food sectors, particularly in the development of functional foods and nutraceuticals with improved health benefits.
Keyword
Euphorbia maculataGamma irradiationPlant-derived callusRadical scavengingUPLC-QTOF/MS
ISSN
2223-7747
Publisher
MDPI
Full Text Link
http://dx.doi.org/10.3390/plants13162306
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Functional Biomaterial Research Center > 1. Journal Articles
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