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171 articles for “Antioxidant Activity”
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Research ArticleOpen accessIn the keywordsAntioxidant Capacity, Total Phenol Contents and Phytochemical Screening of Citrullus colocynthis Crust, Pulp and Seeds ExtractsFaten Hameed Thamer, Noah Thamer, Anhar Alhamzi et al.In this study, the phytochemical screening of Citrullus colocynthis (C. colocynthis) crust, pulp, and seed extracts was studied to evaluate and compare their antioxidant capacities and total phenol contents. C. colocynthis fruit, including crust, pulp, and seed, was extracted using n-hexan, methanol, and 1, 1, 2 trichloroethane, respectively, using a soxhlet. Phytochemical screening, antioxidant capacity using the Ferric-Bipyridine Reducing Capacity … …American Journal of Biochemistry and Biotechnology, Vol. 19, Issue 1 · 16 Jan 2023 · 5,740 accessesView PDFCite
Research ArticleOpen accessIn the keywordsOptimization of Cellulase-Assisted Extraction of Total Flavonoids from Corn Bract and Evaluation of Antioxidant and Antibacterial AactivitiesYang Zhang, Jing Lu, Leijie Ben et al.Corn bract is a corn-based agricultural waste material that distributed worldwide. In present work, response surface methodology was applied to optimize the cellulase-assisted extraction of Total Flavonoids from Corn Bract (TFCB), the in vitro antioxidant and antibacterial as well as the in vivo antioxidant activities of TFCB were investigated. Results showed that the optimal conditions for TFCB extraction were as … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 2 · 18 May 2019 · 8,505 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInfluence in the Drink Preparation Mode Associated Coffee the Antioxidant Capacity of Different BrandsÁzula Narayama Malacco Ferreira, Mariana Mirelle Pereira Natividade, Roberto Gonçalves Junqueira et al.Coffee is one of the most consumed beverages worldwide and commonly present on Brazilian tables. It is known for its health benefits, mainly ascribed to its antioxidant compounds. Because of a lack of standardized analytical methods to evaluate these compounds in coffee, the variety of products sold, as well as the influence of the form of preparation of the beverage … …American Journal of Applied Sciences, Vol. 15, Issue 1 · 25 Jan 2018 · 8,165 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMicrowave Assisted Regioselective Synthesis and Biological Evaluation of Pyrano[2,3-c]Pyridine Derivatives Utilizing DMAP as a CatalystAsmaa M. FahimRegioselective facile production of pyrano[2,3-c]pyridine through multicomponent reaction of aromatic aldehydes, ethyl cyano acetate or malononitrile and C-H activated compound of 3-hydroxy picolinic acid in the occurrence of smaller amount of DMAP catalyst utilizing microwave apparatus, which is green and simple environmentally with high yield, recyclability catalyst. Totally the products were partitioned for antimicrobiogical action; it was detected that were … …OnLine Journal of Biological Sciences, Vol. 17, Issue 4 · 14 Dec 2017 · 8,022 accessesView PDFCite
Research ArticleOpen accessIn the keywordsProphylactic Effects of Melatonin on Sodium Valproate-Induced Neural Tube Defects and Skeletal Malformations in Rat EmbryosOmolbanin Rahgazar, Reza Ranjbar, Hossien Najafzadeh Varzi, Mahmood Khaksary MahabadyProblem statement: Some reports showed the teratogenic effects of sodium valproate can be prevented by application of antioxidant drugs and stimulation of the maternal immune system. Therefore, in this study, the prophylactic effect of melatonin on teratogenic effects of sodium valproate was compared. Approach: This study was performed on 31 pregnant rats that were divided into five groups. Control group … …American Journal of Applied Sciences, Vol. 8, Issue 5 · 17 May 2011 · 7,286 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Methyl Jasmonate and Plant Growth Promoting Rhizobacteria (PGPR) on Antioxidant Potential and Metabolomic Profiles of Zingiberaceae RhizomesHenny Lieke Rampe, Hanny Hesky Pontororing, Hanry Jefry Lengkong et al.The rhizomes of Zingiberaceae plants are used as cooking spices, medicines, cosmetics and beverage ingredients. Zingiberaceae rhizomes have the potential to be immunostimulants, antioxidants and immunomodulators. Antioxidants are chemical compounds that bind free oxygen radicals and prevent free radicals from damaging healthy cells. This research aimed to analyze the antioxidant potential and metabolomic compounds of the rhizomes of the Zingiberaceae … …OnLine Journal of Biological Sciences, Vol. 26, Issue 1 · 10 Apr 2026 · 1,313 accessesView PDFCite
Research ArticleOpen accessIn the abstractInfluence of Sturgeon Protein Fractions on Active Peptide Generation via Enzymatic HydrolysisMengjie Lu, Yingmei Hou, Yejing Sun et al.To identify the sturgeon protein component responsible for generating bioactive peptides, including antioxidant peptides and alcohol dehydrogenase (ADH) promoting peptides, sturgeon protein and its isolated protein components (sarcoplasmic, myofibrillar, and stromal proteins) were studied. Among the four isolated protein components, stromal protein demonstrated the highest susceptibility to enzymatic hydrolysis (P<0.05). Besides, pepsin and alkaline protease are the most effective enzymes … …American Journal of Biochemistry and Biotechnology, Vol. 22, Issue 1 · 8 Apr 2026 · 1,430 accessesView PDFCite
Research ArticleOpen accessIn the abstractImmunomodulatory and Antioxidant Activities of Selenium-Enriched Polysaccharides from Epimedium and Isatis IndigoticaRui Zhang, Jin Li, Jiajia ZhouThis study aims to investigate the effects of selenium modification on polysaccharides derived from two traditional Chinese medicinal herbs-Epimedium (Yinyanghuo) and Isatis root (Banlangen)-in enhancing immune function and antioxidant activity. The purpose is to explore the relationship between structure and function, providing a theoretical basis for the development of efficient plant-based functional antioxidants. Polysaccharides were extracted using an optimized enzymatic … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 4 · 3 Feb 2026 · 1,937 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparative Antioxidant Effects of Essential Oil Blends and Individual Oils Using the DPPH Radical-Scavenging AssaySunghun Jang, Jae Kyung KimOxidative stress is recognized as a major contributor to conditions such as cancer, aging, and inflammation. Consequently, there is a growing interest in the use of natural antioxidants, particularly essential oils, owing to their safety benefits and potent antioxidant properties. The aim of this study was to evaluate the antioxidant effects of four essential oil blends (Refresh, Zest, Revitalizing, and … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 3 · 5 Jan 2026 · 2,659 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Polarity of Organic Solvents in Coriander Seed Powder (Coriandrum Sativum) Extract is Dependent on their Content of Beta-Carotene, Total Phenolics, Flavonoids, Antioxidants, and Antibacterial PropertiesUcop Haroen, Syafwan, Agus Budiansyah, Kiki KurniawanAttempts to develop alternative antibiotics from herbal plants, especially those originating from spice plants that contain active compounds, are crucial to improve livestock health and support the growth of livestock to reach their genetic potential. This study aims to examine the effects of utilizing different solvent polarities on the solubility of coriander seed secondary metabolite chemicals, which are associated with … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 3 · 6 Nov 2025 · 2,338 accessesView PDFCite