نتایج جستجو برای: ms analysis

تعداد نتایج: 2911076  

Journal: :Chimia 2023

Microorganisms produce iron chelators called siderophores that are a rich source for drug discovery or plant protective agents. Pyoverdines class of from fluorescent Pseudomonas members and consist different peptide chains specific to each bacterial species. The structural elucidation characterization pyoverdines require comprehensive analytical methods as extracts complex mixtures. Here, we pr...

Journal: :International journal of biological, physical and chemical studies 2022

Ziziphus mauritiana is an edible fruiting plant commonly found in Asia. In Indonesia, this grows wild and thrives on the islands of Bali, Lombok, Sumbawa. Although it has good potential as food medicinal ingredient, fruits Z. are underutilized have almost no economic value. Information about bioactivity chemical content fruit limited. To evaluate its possibility being developed functional food,...

Journal: :Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi) 2016

Journal: :Journal of agricultural and food chemistry 2013
Narong Chamkasem Lisa W Ollis Tiffany Harmon Sookwang Lee Greg Mercer

A simple and high-throughput screening method for the analysis of 136 pesticides in avocado ( Persea americana ) by LC-(+)-ESI-MS/MS and GC-MS/MS is presented. A modified QuEChERS sample preparation method was developed to improve the extraction recovery of highly lipophilic pesticides. Extracts from minced avocados after acetonitrile (MeCN) extraction were directly injected to LC-MS/MS, wherea...

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