In situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry
The probe electrospray ionization (PESI) is an ESI-based ionization technique that generates electrospray from the tip of a solid metal needle. In the present work, we describe the PESI mass spectra obtained by in situ measurement of soybeans and several nuts (peanuts, walnuts, cashew nuts, macadami...
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todo:paper_10765174_v50_n4_p676_Petroselli2023-10-03T16:03:26Z In situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry Petroselli, G. Mandal, M.K. Chen, L.C. Hiraoka, K. Nonami, H. Erra-Balsells, R. almonds cashew nuts ESI-MS macadamia nuts peanuts PESI pistachios rancidification walnuts Electrospray ionization Glycerol Ionization Mass spectrometers Mass spectrometry Needles Phospholipids Probes almonds Cashew nut ESI-MS Macadamia nuts peanuts PESI pistachios rancidification walnuts Principal component analysis hydroperoxide methanol phospholipid triacylglycerol phospholipid triacylglycerol acidification aging air almond Article cashew nut comparative study electrospray mass spectrometry lipid analysis lipid composition Macadamia molecular probe molecular weight nut oxidation peanut principal component analysis priority journal probe electrospray ionization mass spectrometry rancidification soybean sunlight walnut Arachis chemistry devices electrospray mass spectrometry nut procedures soybean Anacardium occidentale Glycine max Juglans Macadamia Arachis Juglans Macadamia Nuts Phospholipids Principal Component Analysis Soybeans Spectrometry, Mass, Electrospray Ionization Triglycerides The probe electrospray ionization (PESI) is an ESI-based ionization technique that generates electrospray from the tip of a solid metal needle. In the present work, we describe the PESI mass spectra obtained by in situ measurement of soybeans and several nuts (peanuts, walnuts, cashew nuts, macadamia nuts and almonds) using different solid needles as sampling probes. It was found that PESI-MS is a valuable approach for in situ lipid analysis of these seeds. The phospholipid and triacylglycerol PESI spectra of different nuts and soybean were compared by principal component analysis (PCA). PCA shows significant differences among the data of each family of seeds. Methanolic extracts of nuts and soybean were exposed to air and sunlight for several days. PESI mass spectra were recorded before and after the treatment. Along the aging of the oil (rancidification), the formation of oxidated species with variable number of hydroperoxide groups could be observed in the PESI spectra. The relative intensity of oxidated triacylglycerols signals increased with days of exposition. Monitoring sensitivity of PESI-MS was high. This method provides a fast, simple and sensitive technique for the analysis (detection and characterization) of lipids in seed tissue and degree of oxidation of the oil samples. Copyright © 2015 John Wiley & Sons, Ltd. Copyright © 2015 John Wiley & Sons, Ltd. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_10765174_v50_n4_p676_Petroselli |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
almonds cashew nuts ESI-MS macadamia nuts peanuts PESI pistachios rancidification walnuts Electrospray ionization Glycerol Ionization Mass spectrometers Mass spectrometry Needles Phospholipids Probes almonds Cashew nut ESI-MS Macadamia nuts peanuts PESI pistachios rancidification walnuts Principal component analysis hydroperoxide methanol phospholipid triacylglycerol phospholipid triacylglycerol acidification aging air almond Article cashew nut comparative study electrospray mass spectrometry lipid analysis lipid composition Macadamia molecular probe molecular weight nut oxidation peanut principal component analysis priority journal probe electrospray ionization mass spectrometry rancidification soybean sunlight walnut Arachis chemistry devices electrospray mass spectrometry nut procedures soybean Anacardium occidentale Glycine max Juglans Macadamia Arachis Juglans Macadamia Nuts Phospholipids Principal Component Analysis Soybeans Spectrometry, Mass, Electrospray Ionization Triglycerides |
spellingShingle |
almonds cashew nuts ESI-MS macadamia nuts peanuts PESI pistachios rancidification walnuts Electrospray ionization Glycerol Ionization Mass spectrometers Mass spectrometry Needles Phospholipids Probes almonds Cashew nut ESI-MS Macadamia nuts peanuts PESI pistachios rancidification walnuts Principal component analysis hydroperoxide methanol phospholipid triacylglycerol phospholipid triacylglycerol acidification aging air almond Article cashew nut comparative study electrospray mass spectrometry lipid analysis lipid composition Macadamia molecular probe molecular weight nut oxidation peanut principal component analysis priority journal probe electrospray ionization mass spectrometry rancidification soybean sunlight walnut Arachis chemistry devices electrospray mass spectrometry nut procedures soybean Anacardium occidentale Glycine max Juglans Macadamia Arachis Juglans Macadamia Nuts Phospholipids Principal Component Analysis Soybeans Spectrometry, Mass, Electrospray Ionization Triglycerides Petroselli, G. Mandal, M.K. Chen, L.C. Hiraoka, K. Nonami, H. Erra-Balsells, R. In situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry |
topic_facet |
almonds cashew nuts ESI-MS macadamia nuts peanuts PESI pistachios rancidification walnuts Electrospray ionization Glycerol Ionization Mass spectrometers Mass spectrometry Needles Phospholipids Probes almonds Cashew nut ESI-MS Macadamia nuts peanuts PESI pistachios rancidification walnuts Principal component analysis hydroperoxide methanol phospholipid triacylglycerol phospholipid triacylglycerol acidification aging air almond Article cashew nut comparative study electrospray mass spectrometry lipid analysis lipid composition Macadamia molecular probe molecular weight nut oxidation peanut principal component analysis priority journal probe electrospray ionization mass spectrometry rancidification soybean sunlight walnut Arachis chemistry devices electrospray mass spectrometry nut procedures soybean Anacardium occidentale Glycine max Juglans Macadamia Arachis Juglans Macadamia Nuts Phospholipids Principal Component Analysis Soybeans Spectrometry, Mass, Electrospray Ionization Triglycerides |
description |
The probe electrospray ionization (PESI) is an ESI-based ionization technique that generates electrospray from the tip of a solid metal needle. In the present work, we describe the PESI mass spectra obtained by in situ measurement of soybeans and several nuts (peanuts, walnuts, cashew nuts, macadamia nuts and almonds) using different solid needles as sampling probes. It was found that PESI-MS is a valuable approach for in situ lipid analysis of these seeds. The phospholipid and triacylglycerol PESI spectra of different nuts and soybean were compared by principal component analysis (PCA). PCA shows significant differences among the data of each family of seeds. Methanolic extracts of nuts and soybean were exposed to air and sunlight for several days. PESI mass spectra were recorded before and after the treatment. Along the aging of the oil (rancidification), the formation of oxidated species with variable number of hydroperoxide groups could be observed in the PESI spectra. The relative intensity of oxidated triacylglycerols signals increased with days of exposition. Monitoring sensitivity of PESI-MS was high. This method provides a fast, simple and sensitive technique for the analysis (detection and characterization) of lipids in seed tissue and degree of oxidation of the oil samples. Copyright © 2015 John Wiley & Sons, Ltd. Copyright © 2015 John Wiley & Sons, Ltd. |
format |
JOUR |
author |
Petroselli, G. Mandal, M.K. Chen, L.C. Hiraoka, K. Nonami, H. Erra-Balsells, R. |
author_facet |
Petroselli, G. Mandal, M.K. Chen, L.C. Hiraoka, K. Nonami, H. Erra-Balsells, R. |
author_sort |
Petroselli, G. |
title |
In situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry |
title_short |
In situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry |
title_full |
In situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry |
title_fullStr |
In situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry |
title_full_unstemmed |
In situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry |
title_sort |
in situ analysis of soybeans and nuts by probe electrospray ionization mass spectrometry |
url |
http://hdl.handle.net/20.500.12110/paper_10765174_v50_n4_p676_Petroselli |
work_keys_str_mv |
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