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Valorization of Java citronella (Cymbopogon winterianus Jowitt) distillation waste as a potential source of phenolics/antioxidant: influence of extraction solvents.

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Title Valorization of Java citronella (Cymbopogon winterianus Jowitt) distillation waste as a potential source of phenolics/antioxidant: influence of extraction solvents.
Not Available
 
Creator Saha A
Basak BB
Manivel P
Kumar J
 
Subject Natural antioxidant Java citronella Antioxidant activity Essential oil industry by-product I
 
Description Not Available
Solid residues obtained after essential oil
extraction from Cymbopogon winterianus Jowitt (Java
citronella) was explored as a potential source of phenolics/
antioxidant. Both the non-distilled plant materials and their
solid residues were extracted with Soxhlet extraction
method using solvents of various polarity viz. petroleum
ether, chloroform, ethyl acetate, acetone, ethanol, methanol,
water and various combination of (50% and 75%) of
methanol, ethanol, and acetone in water. Different antioxidant
assays like 2,2-diphenyl-1- picrylhydrazyl (DPPH),
2,20
-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid)
(ABTS), superoxide anion (SO) radical scavenging assay,
ferric-reducing antioxidant power (FRAP) and iron
chelating ability along with total phenol (TPC) and flavonoid
content (TFC) was measured to evaluate the extract.
Compared to distilled materials, the non-distilled plant
materials had significantly higher TPC/TFC content and
also exhibited higher antioxidant activities. 50% aqueous
methanol showed the highest extractive yield, whereas
75% aqueous methanol exhibited the highest TPC and TFC
content. The 50% or 75% aqueous methanolic extract also
exhibited the highest DPPH, ABTS and SO scavenging
activity and ferric-reducing antioxidant power activity.
However, ethyl acetate and 75% aqueous acetone extract of
non-distilled and distilled plant materials, respectively
showed the highest iron chelating activity. The half
maximal effective concentration (IC50 = lg/mL) for
DPPH, ABTS, SO and metal chelating ability in non-distilled
plant extract ranged from 64–387, 92–761, 285–870,
and 164–924, respectively, and corresponding value of
distilled materials ranged from 144–865, 239–792,
361–833 and 374–867, respectively. The EC50 (lg/mL) for
FRAP assay ranged from 118–840 and 151–952 for nondistilled
and distilled materials, respectively. The findings
of this study indicate the potential of these by-products as a
natural antioxidants source.
Not Available
 
Date 2021-08-23T10:45:49Z
2021-08-23T10:45:49Z
2021-01-01
 
Type Research Paper
 
Identifier Saha, A., Basak, B. B., Manivel, P., & Kumar, J. (2021). Valorization of Java citronella (Cymbopogon winterianus Jowitt) distillation waste as a potential source of phenolics/antioxidant: influence of extraction solvents. Journal of Food Science and Technology, 58, 255-266.
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/60220
 
Language English
 
Relation Not Available;
 
Publisher Journal of Food Science and Technology