Investigation of Nutrient Content, Phytochemical Content, Antioxidant Activity and Antibacterial Activity of Inedible Portion of Pomegranate (Punica granatum L.).
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Date
2014-05
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Abstract
Pomegranate is a plant with high potential to have antimicrobial and antioxidant
compounds. In the present study inedible parts (peel and seed) of pomegranate, variety
“Bhagawa” were examined for the presence of phytochemicals, phenolic compounds,
flavonoids, anthocyanin, antioxidant and anti-microbial compounds. Further, nutrition
value of the samples was also examined. Results of GC-MS analysis carried out using
four different solvents showed 12 and 25 fractions for peel and seed extracts respectively.
Both peel and seed were with high amount of Anthocyanin, Phenolic compounds and
Flavonoids. Both extracts gave 100% free radicals reduction in DPPH assay showing high
antioxidant activity. Further, both extracts showed antibacterial activity against eight
tested food borne pathogens. Antibacterial activity shown by peel extracts was higher
than that of seed extract. Both peel and seed extracts showed highest and lowest
antibacterial activity against Staphylococcus aureus and Listeria monocyatogenes
respectively. Both extract showed same antibacterial activity which was shown by
Kanamycin for Shigella fexneri. According to the present study, pomegranate peel and seed can be used to extract antibacterial, antioxidant compounds and flavonoids for the
use in food industry.
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Keywords
Pomegranate, phytochemicals, antioxidants, GC-MS, antibacterial compounds
Citation
Silva K L S R De, Jadhav D Y, Rathnayaka R M U S K, Sahoo A K. Investigation of Nutrient Content, Phytochemical Content, Antioxidant Activity and Antibacterial Activity of Inedible Portion of Pomegranate (Punica granatum L.). European Journal of Medicinal Plants. 2014 May; 4(5): 610-622.