Radical scavenging activity of various extracts and fractions of sweet orange peel (Citrus sinensis)

Anagnostopoulou, Maria; Kefalas, Panagiotis; Papageorgiou, Vassilios P.; Assimopoulou, Andreana N.; Boskou, Dimitrios

doi:10.1016/j.foodchem.2004.09.047

Cited by 415 publications

(235 citation statements)

References 16 publications

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“…For other fruit extracts, Kui Zhong et al (2010) has been determined the scavenging effect of longan pulp extracts reached to 85.74% at 20 mg/mL. Free radical scavenging activity of sweet orange peel extracts and sub-fractions expressed as EC 50 ranged from 0.5 to 8.9 mg dry extract/mg DPPH (Anagnostopoulou et al, 2006). For potato peels, the scavenging effect increased with increasing concentration up to a certain extent (3.75 mg) and then leveled off with further increased (Singh & Rajini, 2004).…”

Section: Discussionmentioning

confidence: 99%

Antioxidant activities of fractions from longan pericarps

Yang

Huang

et al. 2014

Food Sci. Technol

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Section: Discussionmentioning

confidence: 99%

Antioxidant activities of fractions from longan pericarps

Yang

Huang

et al. 2014

Food Sci. Technol

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“…ROS damage the carbohydrates, lipids, proteins and nucleic acids due to which several types of diseases occurr in humans (Ebadi 2006). The chemically synthesized antioxidant drugs are available in the market but they leave negative effects on human health so, for their replacement, scientists are searching for new natural secondary metabolites to minimize health risks (Anagnostopoulou et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Flavonoids from Heliotropium subulatum exudate and their evaluation for antioxidant, antineoplastic and cytotoxic activities II

2016

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The flavonoids are the largest group of phenolic compounds isolated from a wide range of higher plants. These compounds work as antimicrobials, anti-insect agents and protect plants from other types of biotic and abiotic stresses. Various researchers have suggested that flavonoids possessed antioxidant, antineoplastic and cytotoxic activities. The main objective of this study was to test dichloromethane fraction of resinous exudate of Heliotropium subulatum for their antioxidant, antineoplastic and cytotoxic activities, as well as to search new antioxidant and antineoplastic agents for pharmaceutical formulations. Five flavonoids were isolated from resinous exudate of this plant species and screened for their in vitro and in vivo antioxidant models (DPPH radical scavenging, reducing power, superoxide anion scavenging, metal chelating scavenging systems, catalase and lipid peroxidation), antineoplastic (Sarcoma 180), and cytotoxic (Chinese hamster V79 cells) activities. Tricetin demonstrated maximum antioxidant activity against both in vitro and in vivo experimental systems while galangin exhibited maximum inhibition (78.35%) at a dose of 10 lg/kg/day against Sarcoma 180. Similarly, it was found that galangin also showed highest activity (21.1 ± 0.15%) at a concentration of 70 lg/ml to Chinese hamster V79 cells. The observed results suggest that tricetin has a potential to scavenge free radicals in both in vitro and in vivo models while the galangin could be considered as antitumor and cytotoxic agent.

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“…solvent extraction (Anagnostopoulou et al 2006;Jeong et al 2004), hot water extraction (Xu et al 2008), alkaline extraction (Bocco et al 1998), resin based extraction (Kim et al 2007), enzyme assisted extraction (Li et al 2006), electron beam and gamma irradiation based extractions (Kim et al 2008) and supercritical fluid extraction (Giannuzzo et al 2003). Both conventional and more innovative extraction techniques may either cause the degradation of the targeted compounds due to high temperature and long extraction times as in solvent extractions, or pose some health related risks due to the unawareness of safety criteria during irradiation.…”

Section: Introductionmentioning

confidence: 99%

Optimization of ultrasound assisted extraction of anthocyanins from red cabbage using Taguchi design method

2015

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There is a growing demand for developing suitable and more efficient extraction of active compounds from the plants and ultrasound is one of these novel methodologies. Moreover, the experimental set up to reach an appropriate condition for an optimum yield is demanding and time consuming. In the present study, Taguchi L 9 orthogonal design was applied to optimize the process parameters (output power, time, temperature and pulse mode) for ultrasound assisted extraction of anthocyanins from red cabbage and the concluding yield of anthocyanin was measured by pH differential method. The statistical analysis revealed that the most important factors contributing to the extraction efficiency were time, temperature and power, respectively and the optimum condition was at 30 min, 15°C and 100 W which could result the maximum anthocyanin yield of about 20.9 mg/L. The theoretical result was confirmed experimentally by carrying out the trials at the optimum condition and evaluating the actual yield.

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Radical scavenging activity of various extracts and fractions of sweet orange peel (Citrus sinensis)

Cited by 415 publications

References 16 publications

Antioxidant activities of fractions from longan pericarps

Antioxidant activities of fractions from longan pericarps

Flavonoids from Heliotropium subulatum exudate and their evaluation for antioxidant, antineoplastic and cytotoxic activities II

Optimization of ultrasound assisted extraction of anthocyanins from red cabbage using Taguchi design method

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