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Extraction of phenolic compounds with antioxidant potential from coconut (Cocos nucifera L.) testa and identification of phenolic acids and flavonoids using UPLC coupled with TQD-MS/MS.

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Title Extraction of phenolic compounds with antioxidant potential from coconut (Cocos nucifera L.) testa and identification of phenolic acids and flavonoids using UPLC coupled with TQD-MS/MS.
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Creator Arivalagan M, Roy TK, Yasmeen AM, Pavithra KC, Jwala PN, Shivasankara KS, Manikantan MR, Hebbar KB, Kanade SR.
 
Subject Phenolics profiling
 
Description Not Available
Coconut testa, a brown skin covering of a coconut endosperm, is a rich source of phenolics. It is one of the byproducts
obtained in the coconut processing industries and currently underutilized despite being rich in phenolic
compounds. A study was conducted to identify the suitable solvent system for maximum extractability of total
phenolic content (TPC) and total flavonoid content (TFC) with antioxidant potential from the testa. Individual
phenolic acids and flavonoids of different solvent extracts were also determined using UPLC-H class coupled with
TQD-MS/MS. The TPC and TFC ranged from 4.9 to 167 mg GAE/g and 8.84–115 mg QE/g defatted testa, respectively;
significant differences were observed for various solvent systems studied. Acidification of solvents
significantly increased the extractability of TPC and reduced the extractability of TFC. A total of 28 phenolics
comprising 16 phenolic acids and 12 flavonoids were identified. Protocatechuic acid, p-coumaric acid and ferulic
acid are the major phenolic acids identified whereas, catechin, apigenin and kaempferol are the major flavonoids
identified. In summary, this study proved that coconut testa is a natural source of multiple phenolics acids and
flavonoids with potent antioxidant capacity, and it can be used as a natural source of antioxidants.
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Date 2019-02-20T06:48:49Z
2019-02-20T06:48:49Z
2018-01-01
 
Type Journal
 
Identifier Arivalagan M, Roy TK, Yasmeen AM, Pavithra KC, Jwala PN, Shivasankara KS, Manikantan MR, Hebbar KB, Kanade SR. (2018). Extraction of phenolic compounds with antioxidant potential from coconut (Cocos nucifera L.) testa and identification of phenolic acids and flavonoids using UPLC coupled with TQD-MS/MS. Food Science & Technology- Lebensmittel-Wissenschaft & Tech, 92: 116–126.
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http://krishi.icar.gov.in/jspui/handle/123456789/17026
 
Language English
 
Relation Not Available;
 
Publisher Elsevier