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Facile NMR approach for profiling curcuminoids present in turmeric.

IR@CSIR-CFTRI

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Relation http://ir.cftri.com/14724/
https://doi.org/10.1016/j.foodchem.2020.128646
 
Title Facile NMR approach for profiling curcuminoids present in turmeric.
 
Creator Aishwarya, Praveen
Durga, Prasad
Soumya, Mishra
Nagarajan, S.
Sachin, R. Chaudhari
 
Subject 18 Phytochemistry
07 Turmeric
 
Description Curcumin, together with demethoxycurcumin and bisdemethoxycurcumin as a whole called curcuminoids, is an
active phytochemical constituent present in the turmeric. When it comes to their analysis, most will rely on
UV–Visible spectroscopy, HPLC and LC-MS methods. Looking to improve productivity, time and simplicity, we
are proposing a 1
H NMR based approach for curcuminoids analysis and its applications to different geographical
regions. In the present work, sample preparation protocol is reported for the simultaneous determination of
curcuminoids using 1
H NMR. For the quantification of curcuminoids, 6–7 ppm vinylic proton region in the 1
H
NMR spectrum was used, where acetone was observed as the suitable solvent in terms of curcuminoids solubility
and proper resolution of peak. The result shows that curcumin (46.8–59.50%) was major among all varieties,
followed by DMC (22.15–27.70%) and BDMC (17.52–30.29%) except in Andhrapradesh variety, where BDMC
(30.29%) was more than DMC (22.89%). These studies were further supported by HPLC analysis.
 
Date 2021
 
Type Article
PeerReviewed
 
Format pdf
 
Language en
 
Identifier http://ir.cftri.com/14724/1/Food%20Chemistry%20341%20%282021%29%20128646.pdf
Aishwarya, Praveen and Durga, Prasad and Soumya, Mishra and Nagarajan, S. and Sachin, R. Chaudhari (2021) Facile NMR approach for profiling curcuminoids present in turmeric. Food Chemistry, 341. p. 128646.