SHORT COMMUNICATION
Evaluation of Antioxidant Potential of Vegetables Waste
Adil Munir1, Bushra Sultana1, Asad Bashir1, Abdul Ghaffar2, Bushra Munir2, Ghulam Abbas Shar3, Arif Nazir4, Munawar Iqbal4
 
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1Department of Chemistry, University of Agriculture Faisalabad, Pakistan
2Department of Biochemistry, Government College University, Faisalabad, Pakistan
3Department of Chemistry, Shah Abdul Latif University Khairpur-66020, Sindh, Pakistan
4Department of Chemistry, University of Lahore, Lahore, Pakistan
 
 
Submission date: 2017-02-13
 
 
Final revision date: 2017-03-18
 
 
Acceptance date: 2017-03-28
 
 
Online publication date: 2018-01-05
 
 
Publication date: 2018-01-26
 
 
Pol. J. Environ. Stud. 2018;27(2):947-952
 
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ABSTRACT
Vegetables are considered a rich source of such antioxidants as phenolics, carotenoids, flavonoids, and vitamins, which are frequently added to stop the process of oxidation in processed food and biological systems. This work aimed to investigate the antioxidant potential of vegetable waste (garlic, onion, and cauliflower). The extracts of vegetable waste were prepared by two solvents – 80% methanol and 80% ethanol – and were appraised for their antioxidant potential. Total phenolic contents (TPC) of these vegetable waste extracts were in the range of 2.23-16.12 mg Gallic acid equivalents/gram (GAE/g) of dry weight (DW), while total flavonoids were in the order of 0.24-2.13 mg catechin equivalent/gram (CE/g) of DW. Maximum inhibition capacity and maximum scavenging activity was displayed by ethanolic extract of onion waste. The onion waste extract compared to others also showed high reducing power (1.27) as it had higher intensity of color. This analysis declares onion waste with maximum value of TPC, total flavonoids content (TFC), 2, 2-diphenyl-1-picryl-hydrazyl-hydrate (DPPH), and the percentage of age inhibition.
eISSN:2083-5906
ISSN:1230-1485
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