Motrescu Iuliana, Lungoci Constantin, Calistru Anca Elena, Luchian Camelia Elena, Gocan Tincuta Marta, Rimbu Cristina Mihaela, Bulgariu Emilian, Ciolan Mihai Alexandru, Jitareanu Gerard
Department of Exact Sciences, "Ion Ionescu de la Brad" Iasi University of Life Sciences, 700490 Iasi, Romania.
Research Institute for Agriculture and Environment, "Ion Ionescu de la Brad" Iasi University of Life Sciences, 700490 Iasi, Romania.
Plants (Basel). 2024 Apr 19;13(8):1140. doi: 10.3390/plants13081140.
Non-thermal plasma (NTP) has proven to be a green method in the agricultural field for the stimulation of germination, growth, and production of nutraceutical compounds in some cases. However, the process is far from being fully understood and depends on the targeted plant species and the NTP used. In this work, we focus on the production of alfalfa sprouts from NTP-treated seeds under different voltage conditions. A flexible electrode configuration was used to produce the NTP, which can also be placed on packages for in-package treatments. The surface of the seeds was analyzed, indicating that the microstructure was strongly affected by NTP treatment. Biometric measurements evidenced the possibility of stimulating the sprout growth in some conditions by up to 50% compared to the sprouts obtained from untreated seeds. Biochemical traits for the sprouts obtained in different processing conditions were also studied, such as the concentrations of chlorophyll pigments, flavonoids and polyphenols, and antioxidant activity. Most NTP treatments led to inhibitory effects, proving the strong dependence between NTP treatment and targeted plant species.
非热等离子体（NTP）已被证明是农业领域中一种绿色方法，在某些情况下可用于刺激种子萌发、生长以及营养保健化合物的产生。然而，该过程远未被完全理解，并且取决于目标植物物种和所使用的NTP。在这项工作中，我们专注于在不同电压条件下，用经NTP处理的种子生产苜蓿芽苗。使用了一种灵活的电极配置来产生NTP，这种配置也可放置在包装上进行包装内处理。对种子表面进行了分析，结果表明微观结构受到NTP处理的强烈影响。生物特征测量证明，在某些条件下，与未经处理的种子所长出的芽苗相比，芽苗生长受到刺激的可能性高达50%。还研究了在不同处理条件下所获得芽苗的生化特性，如叶绿素色素、黄酮类化合物和多酚的浓度以及抗氧化活性。大多数NTP处理产生了抑制作用，这证明了NTP处理与目标植物物种之间存在强烈的依赖性。
