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Spice fixed oils as a new source of g-oryzanol: nutraceutical characterization of fixed oils from selected spices.

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Relation http://ir.cftri.com/14763/
http://doi.org/10.1039/d0ra07794a
 
Title Spice fixed oils as a new source of g-oryzanol:
nutraceutical characterization of fixed oils from
selected spices.
 
Creator Manasa, V.
Sachin, R. Chaudhari
Ajay, W. Tumaney
 
Subject 01 Rice
30 Spices/Condiments
03 Essential oils
 
Description gamma-Oryzanol is an important group of nutraceuticals that play a key role in addressing metabolic disorders.
This study, for the first time, examined volatile-free spice fixed oils (FOs) as an alternate plant source for goryzanol and other nutraceuticals (phenolics, flavonoids, phytosterols, and tocopherols) using HPLC, HRMS and NMR. The in vitro antioxidant activities of FOs were also analysed. The selected spices were
Alpinia galanga, Cinnamomum zeylanicum, Trigonella foenum-graecum, Foeniculum vulgare and
Myristica fragrans. The major polyphenols and flavonoids quantified were gallic, protocatechuic, vanillic,
syringic, para-coumaric, ferulic, rutin, trans-cinnamic, and quercetin. T. foenum-graecum FOs recorded
high levels of ergosterol (48.56 mg/100 g) and stigmasterol (247.36 mg/100 g). The fucosterol levels
were high in A. galanga (268.31 mg/100 g) FOs, whereas C. zeylanicum FOs showed high content of bsitosterols (7037.77 mg/100 g). C. zeylanicum and T. foenum-graecum FOs recorded high a-tocopherol
content (47.55 and 15.96 mg/100 g respectively). C. zeylanicum FOs showed high levels of three
ferulates, namely, cycloartenyl ferulate, 24-methylene cycloartenyl ferulate and b-sitosteryl ferulate,
whose contents were 89.42, 170.23 and 50.23 mg/100 g respectively which was confirmed by HRMS
with a molecular mass (m/z) of 601.45, 615.47, and 589.45 respectively. Further, g-oryzanol ferulates in
C. zeylanicum FOs were confirmed by 1
H-NMR analysis. The acidified methanolic extractives of FOs
showed high free radical scavenging activity and antioxidant potential. These spice FOs have excellent
antioxidant activities, and are novel potential functional ingredients against lifestyle disorders.
 
Date 2020
 
Type Article
PeerReviewed
 
Format pdf
 
Language en
 
Identifier http://ir.cftri.com/14763/1/RSC%20Adv.%2C%202020%2C%2010%2C%2043975%E2%80%9343984.pdf
Manasa, V. and Sachin, R. Chaudhari and Ajay, W. Tumaney (2020) Spice fixed oils as a new source of g-oryzanol: nutraceutical characterization of fixed oils from selected spices. RSC Advances, 10. pp. 43975-43984.