Saponarin, a Di-glycosyl Flavone from Barley (<i>Hordeum vulgare</i> L.): An Effective Compound for Plant Defense and Therapeutic Application.

58 Moreover, barley leaves treated with the blue LED light showed an increasing trend in total phenolic contents with greater ROS scavenging capacity compared with other LED light treatments. 59 , 60 Ultraviolet-B Light Irradiation A high level of Ultraviolet-B (UV–B) light has a strong negative impact on plant growth and development, mainly due to high accumulation of ROS leading to DNA damage. 61 − 64 Interestingly, numerous previous reports have demonstrated that plants have evolved different tolerance mechanisms to UV–B irradiation via several defense responses, such as changes in plant architecture.

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