Characterization of Olive Oil By-products: Antioxidant Activity, Its Ability to Reduce Aflatoxigenic Fungi Hazard and Its Aflatoxins

Abdel–Razek, Adel G.; Badr, Ahmed Noah; Shehata, Mohamed G.

doi:10.9734/arrb/2017/35065

Cited by 37 publications

(22 citation statements)

References 30 publications

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“…The free radical scavenging activity of CGB was measured by the DPPH method as proposed by Abdel-Razek et al [27]. The measured conditions recorded at 517 nm.…”

Section: Methodsmentioning

confidence: 99%

Protective efficacy using Cape- golden berry against pre-carcinogenic aflatoxins induced in rats

Badr

Naeem

2019

Toxicology Reports

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“…The free radical scavenging activity of CGB was measured by the DPPH method as proposed by Abdel-Razek et al [27]. The measured conditions recorded at 517 nm.…”

Section: Methodsmentioning

confidence: 99%

Protective efficacy using Cape- golden berry against pre-carcinogenic aflatoxins induced in rats

Badr

Naeem

2019

Toxicology Reports

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“…While the extracts with high antioxidant potency were reported to degrade mycotoxin amount in the growth media of fungi [16,36,45,46]. Moreover, the presence of bioactive carbohydrates represented by oligosaccharides and dietary fibers in the applied extract to the fungal growth media is considered a positive factor that leads to toxin amount decreased in the growth media of toxigenic fungi [28,32,33] throughout the reduction of the oxidative stress on the fungal cells.…”

Section: Discussionmentioning

confidence: 99%

“…The seeds were milled using Laboratory Mill 3310 (Seedburo, Chicago, IL, USA) to get fine powder used for extract preparation. The polar extract was prepared as described by Abdel-Razek et al, [46] with fine modification. A constant weight of seeds powder was mixed by aqueous isopropyl solution (5:1 w/v) in a Conical flask and treated by ultrasonication (Power amplitude 45%, frequency 80 kHz, duty cycle 60%, time cycle 45 min, and 22 • C).…”

Section: Preparation Of Polar and Non-polar Extractsmentioning

confidence: 99%

Efficacy of Bottle Gourd Seeds’ Extracts in Chemical Hazard Reduction Secreted as Toxigenic Fungi Metabolites

Abdel–Razek

Badr

Alharthi

et al. 2021

Toxins

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Bottle gourd seeds are surrounded by innumerable bioactive components of phytochemicals. This work aimed to evaluate the effectiveness of bottle gourd extracts as antimicrobial and an-ti-mycotoxigenic against toxigenic fungi and mycotoxins. Polar and nonpolar extracts were made from the seeds. The polar eco-friendly extract was prepared by an ultrasonication-assisted technique utilizing aqueous isopropanol (80%), whereas the non-polar extract was obtained using petroleum ether (40–60). The antioxidant efficacy, total phenolic content, and flavonoid content of the extracts were all measured. The fatty acid profile was measured using GC equipment, and the influence on toxigenic fungus and mycotoxin release was also investigated. The antioxidant efficacy of the polar extract is reflected. The total phenolic values of the oil and polar extract were 15.5 and 267 mg of GAE/g, respectively. The total flavonoid content of the oil was 2.95 mg catechol/g, whereas the isopropyl extract of seeds contained 14.86 mg catechol/g. The polar extract inhibited the DPPH more effectively than oil. When compared to other seed oils, the fatty acid composition differed. The pathogens were distinguished by the MIC and MFC for the polar extract. Three sterols were found in the oil, with a high concentration of B-sitosterols. The oil’s valuable -carotene content and tocopherol content were recorded. When compared to traditional antibiotics, the polar extract has shown promising antimicrobial activity against infections and toxigenic fungi. Bottle gourd extracts, as a non-traditional bioactive source, are viewed as a potentially promising alternative that might contribute to increased food safety, shelf-life, and security.

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“…Methyl esters of fatty acids (FAME) were prepared according to AOCS Official Method Ce1k-07 [28]. Hewlett Packard apparatus with capillary column and FID was utilized for detection with the same condition of Abdel-Razek et al [29].…”

Section: Determination Of Fatty Acid Compositionmentioning

confidence: 99%

The Effect of Chemical Composition of Wild Opuntia Ficus Indica Byproducts on its Nutritional Quality, Antioxidant and Antifungal Efficacy

et al. 2019

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W ILD Opuntia ficus-indica is a plant commonly grown in the desert. This study aimed to evaluate the chemical composition; fatty acids, macro and micro-elements, vitamin C, total phenolic and flavonoid contents of Opuntia Ficus indica byproducts (cladodes and fruit peels)on its nutritional quality, as well as, their antimicrobial, and antioxidant efficacy. Dietary fiber was 30.68 ± 5.28 in peels and 25.65 ± 3.07 in cladodes. The total phenolic content for each byproduct was estimated as 520±2.64 and 788±1.35 mg GAE/g for fruit peels and cladodes, respectively.Whereas flavonoids were estimated as 65.7±3.41 and 25.36 ± 1.55 mg Cat., /g for fruit peels and cladodes respectively. Results reflected considerable content of microelements and omega fatty acids. Eicosadionic was the major fatty acid component and it recorded 32.1 and 38.4% for fruit peel and cladodes, respectively. Byproducts extract demonstrated an efficiency against bacteria and toxigenic fungi. Inhibition impact of byproducts was very clear on Fusariumfungi using diffusion assay on agar media. The unique chemical composition and distinctive minor components of cladodes and peels reflected distinguishing bioactivity against harmful food-microorganisms. This could benefitfor food safety particularly against toxigenic fungi. It could be concluded that Opuntia Ficus indica byproducts are promising for the application in the food industry.

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Characterization of Olive Oil By-products: Antioxidant Activity, Its Ability to Reduce Aflatoxigenic Fungi Hazard and Its Aflatoxins

Cited by 37 publications

References 30 publications

Protective efficacy using Cape- golden berry against pre-carcinogenic aflatoxins induced in rats

Protective efficacy using Cape- golden berry against pre-carcinogenic aflatoxins induced in rats

Efficacy of Bottle Gourd Seeds’ Extracts in Chemical Hazard Reduction Secreted as Toxigenic Fungi Metabolites

The Effect of Chemical Composition of Wild Opuntia Ficus Indica Byproducts on its Nutritional Quality, Antioxidant and Antifungal Efficacy

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