Phenolic Constituents of Pomegranate Peels (Punica granatum L.) Cultivated in Oman

Al-Rawahi, Amani S.

doi:10.9734/ejmp/2014/6417

Cited by 81 publications

(39 citation statements)

References 33 publications

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“…This could be due to pomegranate peel powder contains phenols and flavonoids more than wheat flour, subsequently increase DPPH of substituted pan bread formulas. These results in the line of [42] who found that the amount of total phenols was 124.34 mg GAE/g and [43] who reported that total phenols was 64.2 mg GAE /g dw. by MeoH extraction, total phenols was 85.6 mg GAE /g dw [44].…”

Section: Discussionsupporting

confidence: 84%

Evaluation of Pomegranate Peel Fortified Pan Bread on Body Weight Loss

Sayed-Ahmed¹

2014

IJNFS

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Pomegranate (Punica granatum L.) peel is a nutritive, antioxidant rich by-product, easily available after production of pomegranate juice and ready to eat arils. The aim of present study was to utilize of pomegranate peel powder (PPP) as a good source of fiber ingredient and antioxidant bioactive compounds to produce value add bakery product based on pomegranate peel powder 2.5%, 5%, and 7.5% and investigation of weight loss activity in rats fed on high fat diet (HFD). Chemical composition, total phenols, total flavonoids and anti-oxidative activity (DPPH) of PPP and pan breads were determined. Texture profile analysis (TPA), sensory evaluation and physical properties of pan breads were investigated. Pan bread fortified with 2.5% and 5% PPP had higher score in overall acceptability and physical properties when compared to control pan bread and other various concentration (7.5%) of PPP. Thirty-six female albino adult rats with an average weight (180 ±5 g) were divided into six groups 6 rats for each. The first group (G1) fed on basal diet as a (negative control group). The other rats (30 rat) were divided as follow : (G2) fed on HFD as a positive control (PC), (G3) fed on HFD with PPP free pan bread , (G4) received HFD with 2.5% PPP fortified pan bread, (G5) received HFD with 5% PPP fortified pan bread and (G6) fed on HFD with 7.5% PPP fortified pan bread. Food intake, food efficiency, body weight, gain %, epididymal adipose tissue (g) and organs weight were recorded. Serum lipid profile and liver enzymes were analyzed. Our results showed that pomegranate peel powder 7.5% followed by 5% fortified breads reduced body weight by (47.61±1.27% and 40.65±1.11%) respectively, compared with PC group. Total lipid, triglycerides total cholesterol, LDL-C, VLDL-C and liver functions were decreased by increasing of PPP level in pan bread while HDL-C was increased .In conclusion, our results concluded that pomegranate peel powder fortified breads with high fiber and anti-oxidative activities is recommended to gain nutritional and healthy benefits to weight loss activity and the risk of obesity.

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Section: Discussionsupporting

confidence: 84%

Evaluation of Pomegranate Peel Fortified Pan Bread on Body Weight Loss

Sayed-Ahmed¹

2014

IJNFS

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“…Also, Yamani cultivar was found to have high total phenolics (91.2 mg GAE/g dry solids) 47 .This variation of total phenolics could associated with the difference in cultivars, methods of extraction and environmental conditions such as relative humidity and temperature of extracts. It was suggested that the high amounts of bioactive compounds in an edible part which could be used for different purposes in the food industry such as enrichment or development of new products 48 . High antioxidant activity of pomegranate is due to the higher content of polyphenols.…”

Section: Discussionmentioning

confidence: 99%

A Study on Biofilms Inhibition and Preservative Activity of Pomegranate Peel Methanol Extract (PPME)

Assar

Shahate

2017

Journal of Advanced Pharmacy Research

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Objectives: Microorganisms with biofilms are associated with chronic human infections (highly resistant to antimicrobial agents). Pomegranate is used in treatment of several diseases, as its peels contain phenolic compounds and hydrolysable tannins. We aimed to study the effect of PPME on inhibition of biofilms and as a natural preservative in food industrial application. Methods: Pomegranate peel was extracted with methanol. E. coli clinical isolates were identified by standard microbiological procedures. Antibiotic susceptibility testing was performed using disc diffusion method. Antibacterial activity of PPME was tested using agar well diffusion assay. Minimum Inhibitory Concentration (MIC) was evaluated according to The European Committee on Antimicrobial Susceptibility Testing (EUCAST) agar dilution method. Biofilms detection was done by Tube method. Total phenolic content (TPC) in PPME was determined using spectrophotometric method. PPME ability to scavenge (1, 1diphenyl-2-picryl hydrazyl) DPPH free radicals was assessed by the standard method. Total antioxidant capacity of PPME was evaluated by phosphormolybdenum method. Total Phenolic Content (TPC) for cooked patties was freshly analyzed at different concentrations (1-0.25mg/ml). Results: Tested isolates were multidrug resistant. High antibacterial activity of PPME was found. MIC of PPME was found to be 10mg/ml. Tested isolates were biofilms producers, PPME largely affected on biofilm forming ability. TPC for treated group was (2785.19-349.22 µg/kg): for untreated group was 1251-226 µg/kg). DPPH radical scavenging activity was 38.12-5.45%. Thiobarbituric Acid Reactive Substances (TBARS) values were measured for samples from (0 -9 days) of storage period which was 0.522-1.3,0.859-1.816mg malonladehyde/kg meat for treated, untreated group respectively. AOA% was 31.49-66.92 from (0 -9) days of storage. Conclusions: PPME was able to inhibit biofilm formation in tested isolates and can be promising in inhibiting contamination caused by biofilm forming bacteria in food industry.

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“…[2,3] The unused peel of the plant has shown to contain numerous phenolic components, gallic acids, tannins, etc., [ Table 2] [1,3,6] and this makes it the ideal plant component to harvest in assessing antimicrobial activity against oral bacteria, regarding which a few studies have been conducted. [7] In our study, at all concentrations used pomegranate peel extract was effective in inhibiting the growth of S. mutans.…”

Section: Discussionmentioning

confidence: 99%

“…It has also been used as an effective antiviral against herpes virus and influenza virus. [3] The peel of the fruit which accounts for about 50% of its total weight is not consumed and in industry accounts to a lot of wastage. The pomegranate peel has been extensively used in folklore medicine.…”

Section: Introductionmentioning

confidence: 99%

“…[4,5] These functional components could be isolated and used in food enrichment and in the pharmaceutical industry to develop newer antimicrobials. [3] In the present study, we have used pomegranate peels and its hydro-methanolic extract in evaluating its antimicrobial property against the most common oral pathogen implicated in dental caries and one which is a key organism of the oral biofilm -Streptococcus mutans.…”

Section: Introductionmentioning

confidence: 99%

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Pome “Grenade” - Antimicrobial potency of pomegranate peel extract against Streptococcus mutans

Raju¹,

Sridhara²,

Gopalkrishna³

et al. 2015

JCRI

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Background: Plant products have emerged in the forefront of management of several infectious diseases. Use of such therapeutically effective natural products generally entails lesser side effects and drug resistance. Streptococcus mutans is implicated in the common oral diseases including dental caries. Aim: The present study is an attempt to investigate the anti-streptococcal activity of pomegranate peel extract. Materials and Methods: Hydro-methanolic extract of fresh ground paste of fruit peels were prepared using a soxhlet apparatus and employed in an antimicrobial assay using a well diffusion and micro-broth dilution technique. Results: All concentrations of the extract used show promising results with both antimicrobial assays used. The extract was effective in inhibiting the growth of S. mutans at concentrations as low as 1:8 diluted from the stock obtained after rotary evaporation. Conclusion:The results implicate that exploring the application of Punica granatum extracts in oral health care could prove worthwhile. Further studies supported with in vivo evidence could implicate the extract to be an effective tool in oral health management such as mouthwashes, root canal irrigants, etc.

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Phenolic Constituents of Pomegranate Peels (Punica granatum L.) Cultivated in Oman

Cited by 81 publications

References 33 publications

Evaluation of Pomegranate Peel Fortified Pan Bread on Body Weight Loss

Evaluation of Pomegranate Peel Fortified Pan Bread on Body Weight Loss

A Study on Biofilms Inhibition and Preservative Activity of Pomegranate Peel Methanol Extract (PPME)

Pome “Grenade” - Antimicrobial potency of pomegranate peel extract against Streptococcus mutans

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