A metabolomics approach based on 1H NMR fingerprinting and chemometrics for quality control and geographical discrimination of black pepper

2021 ◽  
pp. 104235
Author(s):  
Araceli Rivera-Pérez ◽  
Roberto Romero-González ◽  
Antonia Garrido Frenich
Keyword(s):  
Quality Control ◽  
1H Nmr ◽  
Black Pepper ◽  
Geographical Discrimination

1H NMR-based metabolic profiling and target analysis: a combined approach for the quality control of Thymus vulgaris

Metabolomics ◽  
2011 ◽  
Vol 8 (2) ◽  
pp. 335-346 ◽  
Author(s):  
Valerio Pieri ◽  
Sonja Sturm ◽  
Christoph Seger ◽  
Chlodwig Franz ◽  
Hermann Stuppner
Keyword(s):  
Quality Control ◽  
1H Nmr ◽  
Metabolic Profiling ◽  
Thymus Vulgaris ◽  
Combined Approach ◽  
Target Analysis

Geographical discrimination of pine and fir honeys using multivariate analyses of major and minor honey components identified by 1H NMR and HPLC along with physicochemical data

2018 ◽  
Vol 244 (7) ◽  
pp. 1249-1259 ◽  
Author(s):  
Ioannis K. Karabagias ◽  
Manos Vlasiou ◽  
Stavros Kontakos ◽  
Chryssoula Drouza ◽  
Michael G. Kontominas ◽  
...  
Keyword(s):  
1H Nmr ◽  
Multivariate Analyses ◽  
Geographical Discrimination ◽  
Physicochemical Data

Facile Synthetic Protocols for the preparation of New Impurities in Pemetrexed Disodium Heptahydrate as an Anti-Cancer Drug

2021 ◽  
Vol 18 ◽  
Author(s):  
Rama Mohana Reddy Jaggavarapu ◽  
Venkatanarayana Muvvala ◽  
Ghojala Venkatareddy ◽  
Ravi Kumar Cheedarala
Keyword(s):  
Quality Control ◽  
Spectral Analysis ◽  
1H Nmr ◽  
Structure Elucidation ◽  
Research Work ◽  
Synthetic Methods ◽  
Cancer Drug ◽  
The Novel ◽  
Anti Cancer ◽  
Pemetrexed Disodium

: A facile synthetic protocols were employed to prepare process-related impurities associated with the synthesis of pemetrexed disodium heptahydrate, Alimta. The research work is described for the development of the novel synthetic methods and their structure elucidation of Pemetrexed glutamide, N-methyl pemetrexed, and N-methyl pemetrexed glutamide impurities. The listed impurities were deduced through spectral analysis such as 1H-NMR, 13CNMR, and HRMS. The target compounds can be used as the reference substances for the quality control.

Quantitative determination and validation of topiramate and its tablet formulation by 1H-NMR spectroscopy

2019 ◽  
Vol 11 (5) ◽  
pp. 661-668
Author(s):  
Lingping Qin ◽  
Xinxian Wang ◽  
Dingqiang Lu
Keyword(s):  
Quality Control ◽  
Nmr Spectroscopy ◽  
Quantitative Determination ◽  
1H Nmr ◽  
1H Nmr Spectroscopy ◽  
Tablet Formulation

An effective 1H-qNMR method for the assay of topiramate has been established, which is significant for the quality control of topiramate.

scholarly journals Isolation and characterization of piperine from the fruits of black pepper (Piper nigrum)

2014 ◽  
Vol 11 (1) ◽  
pp. 11-16 ◽  
Author(s):  
KC Saha ◽  
HP Seal ◽  
MA Noor
Keyword(s):  
1H Nmr ◽  
Column Chromatography ◽  
Mass Spectra ◽  
Black Pepper ◽  
Piper Nigrum ◽  
Crystalline Compound ◽  
Food Preservative ◽  
Traditional Medicines ◽  
Isolation And Characterization

Black pepper (Piper nigrum) is a spice vine crop which is used as a food preservative and as an essential component in traditional medicines. The aim of this study was to extract, isolate and characterize the structure of piperine. The fruits of black pepper were extracted in ethanol and compounds present identified by TLC under iodine vapour. A compound (A2) having Rf value 0.54 was isolated by column chromatography which may be responsible for the pungency of black pepper. After recrystallization of the isolate with benzene and chloroform mixture (7:1) gave pale yellow crystals of m.p. 128~129oC (reported 130oC). The IR, 1H NMR and mass spectra of the pure crystalline compound (A2) were recorded. The mass spectra of the compound (A2) showed molecular ion peak M+· at 284.5 which was similar to that of piperine (mol. wt. 285). DOI: http://dx.doi.org/10.3329/jbau.v11i1.18197 J. Bangladesh Agril. Univ. 11(1): 11-16, 2013

scholarly journals Quality Control of Therapeutic Peptides by 1H NMR HiFSA Sequencing

2019 ◽  
Vol 84 (6) ◽  
pp. 3055-3073 ◽  
Author(s):  
Mary P. Choules ◽  
Jonathan Bisson ◽  
Wei Gao ◽  
David C. Lankin ◽  
James B. McAlpine ◽  
...  
Keyword(s):  
Quality Control ◽  
1H Nmr ◽  
Therapeutic Peptides

Determination of Salidroside and Betaine by 1H NMR for Quality Control of Xinnaoxin Commercial Products

2021 ◽  
Author(s):  
Guilin Liu ◽  
Xiaofang Lian ◽  
Yihan Xu ◽  
Zhuo Li ◽  
Zhihua Lv ◽  
...  
Keyword(s):  
Quality Control ◽  
1H Nmr ◽  
Commercial Products

Application of low-field and medium-resolution 1H NMR spectroscopy combined with chemometric methods for automotive gasoline quality control

Fuel ◽  
2020 ◽  
Vol 282 ◽  
pp. 118684
Author(s):  
Leticia Magalhães de Aguiar ◽  
Evandro Bona ◽  
Luiz Alberto Colnago ◽  
Jarbas J. Rodrigues Rohwedder ◽  
Mario Henrique M. Killner
Keyword(s):  
Quality Control ◽  
Nmr Spectroscopy ◽  
1H Nmr ◽  
1H Nmr Spectroscopy ◽  
Automotive Gasoline ◽  
Chemometric Methods ◽  
Low Field ◽  
Medium Resolution
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