Radical scavenging, antioxidant and metal chelating activities of Annona cherimola Mill. (cherimoya) peel and pulp in relation to their total phenolic and total flavonoid contents

Loizzo, Monica Rosa; Tundis, Rosa; Bonesi, Marco; Mastellone, Vincenzo; Avallone, Luigi; Menichini, Francesco

doi:10.1016/j.jfca.2011.09.002

Cited by 132 publications

(119 citation statements)

References 35 publications

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“…When different parts are compared both phenol and flavonoid content was maximum in peel; maximum phenol content was in acetone extract while flavonoids was in toluene extract. Similar reports are found in guava, 37 Mangifera pajang, 38 Annona cherimola , 39 etc. …”

Section: Total Phenol and Flavonoid Contentsupporting

confidence: 83%

Antioxidant and metal chelating activities of Lagenaria siceraria (Molina) Standl peel, pulp and aerial parts in relation to their total phenol and flavonoid content

Chanda¹,

Moteriya²,

Padaliya³

et al. 2015

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Objective: The aim of the present study was to evaluate the antioxidant activity and total phenol and flavonoid content of different parts (peel, pulp and aerial parts) of Lagenaria siceraria. Method: Successive extraction was done by cold percolation method using solvents of different polarity viz. petroleum ether, toluene, ethyl acetate, acetone, water. Total phenol content was determined by Folin-Ciocalteu's reagent method and flavonoid was determined by aluminium chloride colorimetric method. The antioxidant assays evaluated were 2, 2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging activity, 2, 2'-Azino-bis-(3-ethyl) benzothiazoline-6-sulfonic acid (ABTS) radical cation scavenging activity and Ferric reducing antioxidant power. Results: L. siceraria peel possessed maximum phenol and flavonoid content in acetone and toluene extracts respectively. FRAP was maximum in acetone extract of peel. The peel extract demonstrated stronger DPPH activity with IC 50 value of 111 µg/ml followed by pulp extract. The same extract was effective in scavenging ABTS radical with an IC 50 value of 39 µg/ml while other parts were ineffective. Conclusion: This work demonstrated good antioxidant activity of L. siceraria vegetable cultivated in India and recommends that the peel of this vegetable may be of interest from a functional point of view as a major source of natural antioxidant.

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Section: Total Phenol and Flavonoid Contentsupporting

confidence: 83%

Antioxidant and metal chelating activities of Lagenaria siceraria (Molina) Standl peel, pulp and aerial parts in relation to their total phenol and flavonoid content

Chanda¹,

Moteriya²,

Padaliya³

et al. 2015

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“…INAP showed significant levels of TPCs compared with reported by Peschel et al (2006) for residues from apple, pear and strawberry juice production with 52.18 ± 4.80, 59.77 ± 4.24 and 18.41 ± 2.12 mg GAE g -1 dry extract, respectively, and the best values are also comparable with carambola peel (Shui & Leong, 2006). Concerning the amount of flavonoids found in INAP, it can be seen that the values were higher than previously reported for the soursop shell (8.2 mg EQ 100 g -1 of sample) (Loizzo et al, 2012). DAP showed levels of TPCs (10848.27 ± 162.34 mg EAG kg -1 ) that were higher than dehydrated carrot peel (1017 mg EAG 100 g -1 ) (Chantaro, Devahastin, & Chiewchan, 2008 (Guo et al, 2003).…”

Section: Antioxidant Activity and Mineralsmentioning

confidence: 51%

<b>Use of avocado peel (<i>Persea americana</i>) in tea formulation: a functional product containing phenolic compounds with antioxidant activity

et al. 2015

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ABSTRACT. The peels of avocados, like other fruit peels, are commonly discarded, not knowing their potential use. In order to reuse avocado peel, the chemical and mineral compositions, total phenolic and flavonoid contents as well as antioxidant activities have been investigated by DPPH (1,1-diphenyl-2-picrylhydrazyl) and FRAP(ferric-reducing antioxidant power) methods in in natura and dehydrated avocado peel. Dehydrated avocado-peel tea was manufactured and the antioxidant activity was evaluated, as well as their flavonoid and phenolic compound contents, and compared with other teas marketed. Avocado peel, especially dried avocado peel, contains major phenolic compounds (10,848.27 ± 162.34 mg GAE kg ) and phenolic and flavonoids contents highest than apple tea. The avocado-peel tea showed good antioxidant activity and had good acceptability by sensory analysis as a promising product.Keywords: avocado, fruit peels, DPPH, FRAP, sensorial analysis, functional foods.Uso da casca do abacate (Persea Americana)na formulação de chá: um produto funcional contendo compostos fenólicos e atividade antioxidante RESUMO. Cascas de frutas são comumente descartadas, assim como cascas de abacate, por desconhecimento do seu potencial uso. A fim de reutilizar a casca de abacate, determinou-se a composição química e de minerais, conteúdo de fenólicos totais e de flavonoides, bem como atividades antioxidantes por ensaios de DPPH (1,1-difenil-2-picrilhidrazil) e FRAP (poder antioxidante por redução do ferro) nas cascas in natura e desidratada. Formulou-se um chá com a casca de abacate, avaliou-se sua atividade antioxidante, bem como conteúdo de fenólicos e flavonoides e comparou-se com chás comercializados. Os resultados mostram que na casca de abacate desidratada contém compostos fenólicos (10.848,27 ± 162, ) e flavonoides (1.360,34 ± 188, ). O chá da casca de abacate desidratada apresentou atividade antioxidante por DPPH (1954DPPH ( .24 ± 87.92 e 2518.59 mg ET L -1 ) superior ao chá de maçã, assim como maior conteúdo de fenólicos e flavonoides. O chá de casca de abacate apresentou boa atividade antioxidante e boa aceitação por análise sensorial, mostrando ser um produto promissor.Palavras-chave: abacate, casca de frutas, DPPH, FRAP, análise sensorial, alimento funcional.

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“…The DPPH radical scavenging activity was determined as previously reported 13 . A mixture of 1.5 ml of 0.25 mm DPPH solution in ethanol and 12 ml of CD extract at different concentrations was prepared and allowed to reach a steady state at 25 C for 30 min.…”

Section: Dpph Radical Scavenging Activity Assaymentioning

confidence: 99%

“…The b-carotene bleaching test was performed as previously described 13 . A mixture of 1 ml of b-carotene solution (0.2 mg/ ml), 0.02 ml of linoleic acid and 0.2 ml of 100% Tween-20 was prepared.…”

Section: B-carotene Bleaching Testmentioning

confidence: 99%

Citrus medicaL. cv Diamante (Rutaceae) peel extract improves glycaemic status of Zucker diabetic fatty (ZDF) rats and protects against oxidative stress

Menichini

Tundis

Loizzo

et al. 2015

Journal of Enzyme Inhibition and Medicinal Chemistry

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This study aimed to investigate the antidiabetic, antilipidaemic and antioxidant activities of Citrus medica cv Diamante (Rutaceae) hydroalcoholic (CD) peel extract in Zucker diabetic fatty (ZDF) rats. The ability of CD to protect against oxidative stress was investigated by using different in vitro assays and in vivo by using the reactive oxygen metabolites-derived compounds (d-ROMs) test and the biological antioxidant potential test (BAP). Two different doses of CD extract (300 and 600 mg/kg/die) were administered at ZDF rats for 4 weeks. CD reduced cholesterol and triglycerides levels. A dose-dependent effect on body weight and serum glucose levels was observed. A decrease of d-ROMs and an increase of BAP were recorded by using the dose of 600 mg/kg. The extract inhibited lipid peroxidation (IC 50 value of 0.23 mg/ml). These findings suggest as an efficient phytotherapeutic approach in combating hyperlipidaemic and hyperglycaemic disorders.

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Radical scavenging, antioxidant and metal chelating activities of Annona cherimola Mill. (cherimoya) peel and pulp in relation to their total phenolic and total flavonoid contents

Cited by 132 publications

References 35 publications

Antioxidant and metal chelating activities of Lagenaria siceraria (Molina) Standl peel, pulp and aerial parts in relation to their total phenol and flavonoid content

Antioxidant and metal chelating activities of Lagenaria siceraria (Molina) Standl peel, pulp and aerial parts in relation to their total phenol and flavonoid content

<b>Use of avocado peel (<i>Persea americana</i>) in tea formulation: a functional product containing phenolic compounds with antioxidant activity

Citrus medicaL. cv Diamante (Rutaceae) peel extract improves glycaemic status of Zucker diabetic fatty (ZDF) rats and protects against oxidative stress

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