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提高不同叶菜类蔬菜的产量、硫代葡萄糖苷含量和抗氧化能力。

Increases Productivity, Glucosinolate Content and Antioxidant Potential of Different Leafy Vegetables.

作者信息

Velasco Pablo, Rodríguez Víctor Manuel, Soengas Pilar, Poveda Jorge

机构信息

Misión Biológica de Galicia (MBG-CSIC), 36143 Pontevedra, Spain.

Institute for Multidisciplinary Research in Applied Biology (IMAB), Campus Arrosadía, Universidad Pública de Navarra, 31006 Pamplona, Spain.

出版信息

Plants (Basel). 2021 Nov 12;10(11):2449. doi: 10.3390/plants10112449.

Abstract

crops include important vegetables known as "superfoods" due to the content of phytochemicals of great interest to human health, such as glucosinolates (GSLs) and antioxidant compounds. On the other hand, is a genus of filamentous fungi that includes several species described as biostimulants and/or biological control agents in agriculture. In a previous work, an endophytic strain of was isolated from kale roots ( var. ), describing its ability to induce systemic resistance in its host plant. In the present work, some of the main leafy crops (kale, cabbage, leaf rape and turnip greens) have been root-inoculated with , having the aim to verify the possible capacity of the fungus as a biostimulant in productivity as well as the foliar content of GSLs and its antioxidant potential, in order to improve these "superfoods". The results reported, for the first time, an increase in the productivity of kale (55%), cabbage (36%) and turnip greens (46%) by root inoculation. Furthermore, fungal inoculation reported a significant increase in the content of total GSLs in cabbage and turnip greens, mainly of the GSLs sinigrin and gluconapin, respectively, along with an increase in their antioxidant capacity. Therefore, could be a good agricultural biostimulant in leafy crops, increasing the content of GSLs and antioxidant potential of great food and health interest.

摘要

作物包括一些重要的蔬菜,因其富含对人体健康极为有益的植物化学物质,如硫代葡萄糖苷(GSLs)和抗氧化化合物,故而被称为“超级食物”。另一方面,木霉属是丝状真菌的一个属,其中有几个物种被描述为农业中的生物刺激剂和/或生物防治剂。在之前的一项研究中,从羽衣甘蓝根部(变种)分离出一种内生木霉菌株,并描述了其在宿主植物中诱导系统抗性的能力。在本研究中,对一些主要的叶菜类作物(羽衣甘蓝、卷心菜、叶用油菜和芜菁叶)进行了根部接种木霉菌,目的是验证该真菌作为生物刺激剂对生产力的潜在影响,以及对GSLs的叶面含量及其抗氧化潜力的影响,以改善这些“超级食物”。所报道的结果首次表明,通过根部接种木霉菌,羽衣甘蓝(55%)、卷心菜(36%)和芜菁叶(46%)的产量有所增加。此外,真菌接种还使卷心菜和芜菁叶中总GSLs的含量显著增加,主要分别是芥子油苷和葡糖芥苷,同时其抗氧化能力也有所增强。因此,木霉菌可能是叶菜类作物中一种良好的农业生物刺激剂,能够增加GSLs的含量以及具有重要食物和健康意义的抗氧化潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d216/8619120/4a71f03d6c26/plants-10-02449-g001.jpg

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