Antioxidant activities and glycemic indices of ice creams enriched with orange ( Citrus sinensis ) and shaddock ( Citrus maxima ) peels and effects on rat lipid profiles

2021 ◽  
Author(s):  
Ayokunle Olubode Ademosun ◽  
Ganiyu Oboh ◽  
Olufunke Florence Ajeigbe
Keyword(s):  
Citrus Sinensis ◽  
Antioxidant Activities ◽  
Lipid Profiles ◽  
Glycemic Indices ◽  
Citrus Maxima ◽  
Ice Creams

Cardioprotective Effects of Diet with Different Grains on Lipid Profiles and Antioxidative System in Obesity-Induced Rats

2012 ◽  
Vol 82 (2) ◽  
pp. 85-93 ◽  
Author(s):  
Y. Kim ◽  
H. Shin ◽  
S. Lee
Keyword(s):  
Aortic Wall ◽  
Plasma Lipids ◽  
Antioxidant Activities ◽  
Plasma Lipid ◽  
Density Lipoprotein ◽  
Thiobarbituric Acid ◽  
Lipid Profiles ◽  
Dietary Lipids ◽  
Male Rats

In the present study, the nutritional quality of four grains including adlay (AD), buckwheat (BW), glutinous barley (GB), and white rice (WR) were evaluated in terms of plasma lipid parameters, gut transit time, and thickness of the aortic wall in rats. The rats were then raised for 4 weeks on the high-fat diet based on the American Institute of Nutrition-93 (AIN-93 G) diets containing 1 % cholesterol and 20 % dietary lipids. Forty male rats were divided into 4 groups and raised for 4 weeks with a diet containing one of the following grains: WR, AD, BW, or WB. The level of thiobarbituric acid-reactive substances (TBARS) in liver was shown to be higher in rats by the order of those fed WR, AD, GB, and BW. This indicates that other grains decreased oxidative stress in vivo more than WR. The superoxide dismutase, glutathione, glutathione peroxidase, and glutathione reductase levels in the AD, BW, and GB groups were significantly higher than those in the WR group (p < 0.05). Plasma lipid profiles differed significantly according to grain combination, and decreased aortic wall thickness was consistent with the finding of decreased plasma low-density lipoprotein cholesterol (LDL-C) (p < 0.05) and increased high-density lipoprotein (HDL-C) in rats fed AD, BW, and GB (p < 0.001). The antioxidant and hypolipidemic capacities of grains are quite high, especially those of adlay, buckwheat, and glutinous barley. In conclusion, this study has demonstrated that the whole grains had a cardioprotective effect. This effect was related to several mechanisms that corresponded to lowering plasma lipids, decreasing TBARS, and increasing antioxidant activities.

scholarly journals Antimicrobial and antioxidant activities of Citrus sinensis var. late Valencia fruits at various stages of development

2016 ◽  
Vol 10 (3) ◽  
pp. 73-78 ◽  
Author(s):  
Adu Francis ◽  
Antwi Apenteng John ◽  
Kuntworbe Noble ◽  
Gariba Akanwariwiak William ◽  
Appiah Theresa ◽  
...  
Keyword(s):  
Citrus Sinensis ◽  
Antioxidant Activities ◽  
Stages Of Development

scholarly journals Chemoprotective effects of butanol fraction of Buchholzia coriacea (Capparidaceae) against type 2 diabetes and oxidative stress in male Wistar rats

2019 ◽  
Vol 39 (2) ◽  
Author(s):  
Amanda C. Okolie ◽  
Oluwafemi E. Kale ◽  
Odutola Osilesi
Keyword(s):  
Oxidative Stress ◽  
Type 2 Diabetes ◽  
Antioxidant Activities ◽  
Radical Scavenging ◽  
Diabetic Rats ◽  
Lipid Profiles ◽  
Butanol Fraction ◽  
Nitric Oxide Radical

AbstractRecent studies have shown that Type 2 diabetes (T2D) in rats can result through a synergy that links obesity to insulin resistance and β-cell dysfunction. The present study achieved T2D via high fructose (20%w/v, p.o.), streptozotocin single dose (40 mg/kg, i.p.) (HFSTZ) in rats. Also, chemoprotective potential of butanol fraction of Buchholzia coriacea (BFBC) was demonstrated. Control normal and diabetic untreated (HFSTZ-induced T2D) rats received CM-cellulose (1 mg/kg, p.o.). Diabetic rats received intragastric BFBC (20, 200, 400 mg/kg), glibenclamide (0.07 mg/kg), and BFBC (200 mg/kg) plus glibenclamide treatments, respectively. 2,2-Diphenyl-1-picrylhydrazyl, nitric oxide radical, hydroxyl radical scavenging activities, and α-amylase inhibition were assessed. After 2 weeks of treatments, blood glucose levels, lipid profiles, renal and liver function, serum insulin as well as in vivo oxidative stress biomarkers were assessed. BFBC shows highest antioxidants and α-amylase inhibitory activities in vitro. HFSTZ-induced T2D produced hyperglycemia (P<0.05–0.001; F = 5.26–26.47), serum hyperinsulinemia (six-folds) plus elevated lipid peroxidation levels. Similarly, there were altered lipid profiles, liver and renal biomarker enzymes plus weight loss. BFBC administration alone or in combination with glibenclamide reversed T2D symptomatologies in treated animals, and improved body weights against control diabetic rats. In vivo antioxidant activities also improved while histological sections in treated rats show reduced tissue damage in pancreas, kidneys, liver, and heart, respectively. Oleic, stearic, 2-methyl-pyrrolidine-2-carboxylic, and n-hexadecanoic acids were present in BFBC in large quantities given GC-MS analysis. Overall, data from the present study suggest chemoprotective potentials of BFBC against HFSTZ-induced T2D rats.

Butterbur (Petasites japonicus Max.) Extract Improves Lipid Profiles and Antioxidant Activities in Monosodium l-Glutamate-Challenged Mice

2010 ◽  
Vol 13 (5) ◽  
pp. 1216-1223 ◽  
Author(s):  
Cheon Ho Park ◽  
Mi Yeon Kim ◽  
Dai-Eun Sok ◽  
Jin Hee Kim ◽  
Jeung Hee Lee ◽  
...  
Keyword(s):  
Antioxidant Activities ◽  
Lipid Profiles ◽  
Petasites Japonicus

scholarly journals Phytochemical composition and in vitro antioxidant activities of Citrus sinensis peel extracts

PeerJ ◽  
2018 ◽  
Vol 6 ◽  
pp. e5331 ◽  
Author(s):  
Sok Sian Liew ◽  
Wan Yong Ho ◽  
Swee Keong Yeap ◽  
Shaiful Adzni Bin Sharifudin
Keyword(s):  
Liquid Chromatography ◽  
Organic Acids ◽  
Citrus Sinensis ◽  
Antioxidant Activities ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Scavenging Activity ◽  
Flavonoid Content ◽  
Phytochemical Composition ◽  
Acetone Water

Background Citrus sinensis peels are usually discarded as wastes; however, they are rich sources of Vitamin C, fibre, and many nutrients, including phenolics and flavonoids which are also good antioxidant agents. This study aimed to examine phytochemical composition and antioxidant capabilities of C. sinensis peel extracted conventionally with different methanol/water, ethanol/water, and acetone/water solvents. Methods C. sinensis peels were subjected to extraction with 100%, 70% and 50% of methanol, ethanol, and acetone, respectively, as well as hot water extraction. Antioxidant activities of the peel extracts were examined via the 2,2-diphenylpicrylhydrazyl (DPPH) free radical scavenging activity, ferric reducing antioxidant power (FRAP) assay, and oxygen radical absorbance capacity (ORAC) assay. Total phenolic content and total flavonoid content of the extracts were measured via the Folin-Ciocalteau method and the aluminium chloride colorimetric method, respectively. Phenolic acid and organic acid composition of the peel extracts were further determined via high performance liquid chromatography (HPLC) while flavonoid content was identified via ultra performance liquid chromatography (UPLC). Results DPPH radical scavenging activity of C. sinensis peel extracts varied from 8.35 to 18.20 mg TE/g, FRAP ranged from 95.00 to 296.61 mmol Fe(II)/g, while ORAC value ranged from 0.31 to 0.92 mol TE/g. Significant level of association between the assays was observed especially between TPC and FRAP (R-square = 0.95, P < 0.0001). TPC of various C. sinensis peel extracts ranged from 12.08 to 38.24 mg GAE/g, with 70% acetone/water extract (AEC) showing the highest TPC. TFC ranged from 1.90 to 5.51 mg CE/g. Extraction yield ranged from 0.33 to 0.54 g/g DW and tended to increase with increasing water concentration in the solvent. In the phytochemical investigation, five phenolic acids were identified using HPLC, including gallic acid, protocatechuic acid, 4-hydroxybenzoic acid, caffeic acid and ferulic acid. A total of five organic acids including lactic acid, citric acid, L-mallic acid, kojic acid and ascorbic acid were quantified via HPLC. In addition, concentrations of six flavonoids including catechin, epigallocatechin, vitexin, rutin, luteolin and apigenin were determined via UPLC. Discussion and Conclusion Phytochemicals including phenolics and flavonoids in C. sinensis peel extracts exhibited good antioxidant properties. Among the extracts, 70% AEC with highest TPC and high TFC content showed greatest antioxidant activity in all three assays. Different phenolic acids, organic acids and flavonoids were also identified from the extracts. This study indicated that C. sinensis peels contained potential antioxidant compounds which could be exploited as value added products in the food industry.

scholarly journals BOTANICAL AND GENETIC CHARACTERIZATION OF CITRUS MAXIMA (BURM.) MERRILL. F. RUTACEAE

2016 ◽  
Vol 9 (1) ◽  
pp. 260
Author(s):  
Mohammed S. Sedeek ◽  
Farid N. Kirollos ◽  
Camilia G. Michel ◽  
Mostafa A. Abdel Kawy
Keyword(s):  
Genetic Polymorphism ◽  
Dna Fingerprinting ◽  
Citrus Sinensis ◽  
Morphological Characters ◽  
Issr Markers ◽  
Citrus Paradisi ◽  
Citrus Maxima ◽  
Rapd And Issr ◽  
Combined Data

<p><strong>Objective: </strong>Total investigation of the macro-and micromorphological features of <em>Citrus maxima</em> (Burm.) Merrill. In addition, DNA fingerprinting in this study was to estimate genetic polymorphism and relationships with another citrus viz: <em>Citrus paradise</em><strong> </strong>and <em>Citrus sinensis</em> based on RAPD and ISSR markers.</p><p><strong>Methods: </strong>For the establishment of macro-and micromorphological investigation and genetic estimation, this study presents a total investigation of the macro-and micromorphological features of the roots, stems, leaves, flowers, fruits and seeds of the plants through microscopical investigation of the prepared entire, transverse sections and powdered forms of different organs under study. Furthermore, the DNA of the three plants was extracted from leaf samples and two types of DNA markers RAPD and ISSR were assayed.</p><p><strong>Results: </strong>Macro-and micromorphological features of different organs were investigated. On the other hand Genetic polymorphism and relationships among <em>Citrus maxima</em>, <em>Citrus paradisi</em> and <em>Citrus sinensis</em> was revealed. The highest genetic similarity was between <em>Citrus maxima </em>and <em>Citrus paradisi</em> while the lowest similarity was between <em>Citrus paradisi</em> and <em>Citrus sinensis</em> as revealed by RAPD, ISSR and combined data.</p><p><strong>Conclusion: </strong>For the present study, macro and micro-morphological characters, as well as, DNA fingerprinting can be considered as the identifying parameters for authentication of <em>Citrus maxima</em> (Burm.) Merrill.</p>

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