Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Rakesh Jaiswal"'
Publikováno v:
Journal of Agricultural and Food Chemistry. 66:1096-1104
On the basis of a recently developed tandem mass spectrometry-based hierarchical scheme for the identification of regioisomeric caffeoyl glucoses, selected berry fruits were profiled for their caffeoyl glucose ester content. Fresh edible berries prof
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bde99ffcfec639ee01b78782afb8f683
https://doi.org/10.1021/acs.jafc.7b02446
https://doi.org/10.1021/acs.jafc.7b02446
Publikováno v:
Food Research International. 90:307-312
Yerba mate is one of the most popular beverages in South American countries and its consumption is associated with a wide array of health effects. In this study, we used advanced HPLC-ESI-MSn and HPLC-ESI-HRMS methods for the identification and chara
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69cfafc66f7106f0c3f66d11c17f6768
https://doi.org/10.1016/j.foodres.2016.10.017
https://doi.org/10.1016/j.foodres.2016.10.017
Autor:
Ulrich Kortz, Bassem S. Bassil, Nikolai Kuhnert, Sagar Deshpande, Marius Febi Matei, Rakesh Jaiswal
Publikováno v:
Journal of Agricultural and Food Chemistry. 64:7298-7306
(-)-Quinic acid possess eight possible stereoisomers, which occur both naturally and as products of thermal food processing. In this contribution, we have selectively synthesized four isomers, namely, epi-quinic acid, muco-quinic acid, cis-quinic aci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9a66b62e96abebbb8cf7c4e1e7b090a
https://doi.org/10.1021/acs.jafc.6b02472
https://doi.org/10.1021/acs.jafc.6b02472
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
Introduction: With the advent of high-perfomance liquid chromatography (HPLC)-tandem mass spectrometry (MS) using ion trap mass analysers it is possible to acquire unambigious structural information in particular with respect to aspects of regiochemi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c087578716b251734b6df6968c552470
http://hdl.handle.net/10261/182223
http://hdl.handle.net/10261/182223
Publikováno v:
Rapid Communications in Mass Spectrometry. 29:675-680
RATIONALE A series of dietary important regioisomeric chlorogenic acids were investigated by ion mobility mass spectrometry (IM-MS). The existence of prototropic isomers separated in the drift dimension was observed and investigated further using tan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95a5e39763d8e468ad03aa91f314eda7
https://doi.org/10.1002/rcm.7151
https://doi.org/10.1002/rcm.7151
Publikováno v:
Journal of Agricultural and Food Chemistry. 63:3338-3347
Mono- and diacyl chlorogenic acids undergo photochemical trans-cis isomerization under ultraviolet (UV) irradiation. The photochemical equilibrium composition was established for eight selected derivatives. In contrast to all other dicaffeoylquinic a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::952109e6840d191bd23d332d13c27f98
https://doi.org/10.1021/acs.jafc.5b00838
https://doi.org/10.1021/acs.jafc.5b00838
Publikováno v:
Food chemistry. 237
Based on the recently developed tandem MS based hierarchical scheme for the identification of regioisomeric caffeoyl glucoses, selected vegetables were profiled with respect to their caffeoyl glucose content. The dietary plants profiled were tomato,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6b1dc6894c00ba4d21eb8df59a9ea08
https://pubmed.ncbi.nlm.nih.gov/28764050
https://pubmed.ncbi.nlm.nih.gov/28764050
Autor:
Nikolai Kuhnert, Mohamed Gamaleldin Elsadig Karar, Helge Weingart, Daniel Pletzer, Rakesh Jaiswal
Publikováno v:
Food Research International. 65:121-129
Quince fruits are consumed in many parts of Europe and Asia. The polyphenols of the quince fruit were investigated qualitatively by LC–MSn. Thirty-four polyphenols were detected and characterized on the basis of their unique fragmentation pattern i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aec3a8e71ba8e1e164496faead772b19
https://doi.org/10.1016/j.foodres.2013.10.040
https://doi.org/10.1016/j.foodres.2013.10.040
Publikováno v:
Phytochemistry. 106:141-155
The phenolics of the leaves of Ilex glabra L. Gray (Aquifoliaceae) were investigated qualitatively by LC-MS(n). Thirty-two phenolics were detected and characterised on the basis of their unique fragmentation pattern in the negative ion mode tandem MS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b9b00b4876d9cf065bc03ca7b9613d3
https://doi.org/10.1016/j.phytochem.2014.07.018
https://doi.org/10.1016/j.phytochem.2014.07.018
Autor:
A.G.A.W. Alakolanga, Lalith Jayasinghe, Nikolai Kuhnert, Rakesh Jaiswal, N. Savitri Kumar, A.M.D.A. Siriwardane
Publikováno v:
Food Research International. 62:388-396
The phenolic compounds of the fruits of Flacourtia indica (Burm. F.) Merr. and Flacourtia inermis (Roxb.), mostly cultivated and consumed in Sri Lanka were investigated qualitatively by HPLC tandem mass spectrometry and high resolution mass spectrome
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af678d8ae1e66d4e12a7d59cc4918fc3
https://doi.org/10.1016/j.foodres.2014.03.036
https://doi.org/10.1016/j.foodres.2014.03.036