基于LC-MS代谢组学分析鸡爪谷及鸡爪谷红曲代谢物差异Differential Analysis of Metabolites of Eleusine coracana and Monascus- Fermented Eleusine coracana Based on LC-MS Metabolomics
尹秀,李海荣,曹娅楠,高畅,许珍,张二豪,禄亚洲
摘要(Abstract):
目的:为探究红曲霉固体发酵对鸡爪谷代谢特征的改变情况。方法:采用非靶向代谢组学结合多元统计分析和通路富集分析了鸡爪谷红曲和鸡爪谷的代谢物组成特征。结果:两组样品中检测到7 019种代谢物,主要为脂肪酸类化合物、羧酸及其衍生物和有机氧化合物。两组样品中共筛选出359种差异代谢物(235种上调,124种下调)。差异代谢物相关性分析表明,各差异代谢物之间存在正相关或负相关关系。KEGG富集通路分析表明差异代谢物显著富集的代谢通路主要为半乳糖代谢途径、鞘脂代谢途径和亚油酸代谢途径等。结论:初步阐明了红曲霉固体发酵对鸡爪谷代谢特征的改变情况,为鸡爪谷红曲的研制和推广奠定一定基础。
关键词(KeyWords): 鸡爪谷红曲;鸡爪谷;红曲霉;非靶向代谢组学;差异代谢物
基金项目(Foundation): 西藏农牧学院2023年创新创业实训项目(ZJ2023CXCY004);; 高原特色农牧科技小院建设及综合服务能力提升项目(YJSXK2025-11)
作者(Author): 尹秀,李海荣,曹娅楠,高畅,许珍,张二豪,禄亚洲
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