Comparison and Quantification of Metabolites and Their Antioxidant Activities in Young and Mature Leaves of Sugarcane,ACS Food Science & Technology

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Comparison and Quantification of Metabolites and Their Antioxidant Activities in Young and Mature Leaves of Sugarcane
ACS Food Science & Technology ( IF 2.6 ) Pub Date : 2021-02-18 , DOI: 10.1021/acsfoodscitech.0c00133
Muhammad Junaid Rao _{1,

2,

3} , Umair Ahmed ₃ , Muhammad Husnain Ahmed ₃ , Mingzhen Duan _{1,

2} , Jibin Wang _{1,

2} , Yanting Wang ₄ , Lingqiang Wang _{1,

2}

Affiliation

Secondary metabolites perform diverse ecological functions in plants, providing defense against abiotic and biotic stresses and acting as a powerful antioxidant agent. The level of metabolites in each organ or tissue changes with time and the developmental stage of the plant, which determines its response to stress. However, few studies of the secondary metabolites of sugarcane, a major global crop, have been reported. This study focuses on the primary and secondary metabolites and their antioxidant activities in new and mature leaf blades of 12 sugarcane varieties. We observed that levels of primary metabolites such as amino acids, total glucose contents, and carbohydrates were higher in the young leaves than in mature leaves; in contrast, the mature sugarcane leaves showed a higher level of synthesis of secondary metabolites (such as phenolics, flavonoids, etc.) compared to that of new leaves. Interestingly, the antioxidant activities were higher in mature leaves than in new leaves. The mature leaves of Taitang172 and ROC22 possess a high total flavonoid content, and these varieties showed maximum antioxidant activities among 12 sugarcane varieties. This study provides a broad snapshot of secondary metabolites and their antioxidant activities in (new and mature leaves) different sugarcane varieties. It enhances our understanding of the metabolic localization in different leaf tissues. We speculate that exploring the metabolome through qualitative and quantitative profiling enables a more comprehensive examination of foliar metabolites.

中文翻译：

甘蔗幼叶和成熟叶代谢产物的比较，定量及其抗氧化活性

次生代谢产物在植物中具有多种生态功能，可抵御非生物和生物胁迫，并充当强大的抗氧化剂。每个器官或组织中代谢物的水平随时间和植物的发育阶段而变化，这决定了其对胁迫的反应。但是，关于甘蔗（一种主要的全球性作物）的次生代谢产物的研究很少。这项研究的重点是12个甘蔗新品种和成熟叶片中的初级和次级代谢产物及其抗氧化活性。我们观察到，幼叶中的主要代谢产物（例如氨基酸，总葡萄糖含量和碳水化合物）的水平高于成熟叶片中的水平。相比之下，成熟的甘蔗叶显示出较高水平的次生代谢产物（如酚类，类黄酮等）与新叶相比。有趣的是，成熟叶片的抗氧化活性高于新叶片。Taitang172和ROC22的成熟叶片总黄酮含量高，这些品种在12个甘蔗品种中表现出最大的抗氧化活性。这项研究提供了不同甘蔗品种（新叶和成熟叶）中次生代谢产物及其抗氧化活性的广泛概况。它增强了我们对不同叶片组织中代谢定位的理解。我们推测，通过定性和定量分析探索代谢组学可以对叶代谢产物进行更全面的检查。Taitang172和ROC22的成熟叶片总黄酮含量高，这些品种在12个甘蔗品种中表现出最大的抗氧化活性。这项研究提供了不同甘蔗品种中（新叶和成熟叶）次生代谢产物及其抗氧化活性的广泛概况。它增强了我们对不同叶片组织中代谢定位的理解。我们推测，通过定性和定量分析探索代谢组学可以对叶代谢产物进行更全面的检查。Taitang172和ROC22的成熟叶片总黄酮含量高，这些品种在12个甘蔗品种中表现出最大的抗氧化活性。这项研究提供了不同甘蔗品种中（新叶和成熟叶）次生代谢产物及其抗氧化活性的广泛概况。它增强了我们对不同叶片组织中代谢定位的理解。我们推测，通过定性和定量分析探索代谢组学可以对叶代谢产物进行更全面的检查。这项研究提供了不同甘蔗品种中（新叶和成熟叶）次生代谢产物及其抗氧化活性的广泛概况。它增强了我们对不同叶片组织中代谢定位的理解。我们推测，通过定性和定量分析探索代谢组学可以对叶代谢产物进行更全面的检查。这项研究提供了不同甘蔗品种中（新叶和成熟叶）次生代谢产物及其抗氧化活性的广泛概况。它增强了我们对不同叶片组织中代谢定位的理解。我们推测，通过定性和定量分析探索代谢组学可以对叶代谢产物进行更全面的检查。

更新日期：2021-04-23

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