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Relevant bibliographies by topics / Nitricoxide Radical Scavenging Activity

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Academic literature on the topic 'Nitricoxide Radical Scavenging Activity'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Nitricoxide Radical Scavenging Activity"

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K.Ramanji, Reddy* Dr.Chandaka Madhu Dr.J.Balaji Chandra Mouli Dr.B.Jagan Mohan Reddy Penumala Joshi Ballavarapu Sharanya. "COMPARATIVE STUDY ON PHYTOCHEMICAL SCREENING AND ANTIOXIDANT ACTIVITY ON ETHANOLIC EXTRACT OF MUSA ACUMINATE AND MANGIFERA INDICA." Indo American Journal of Pharmaceutical Sciences 04, no. 09 (2017): 2817–29. https://doi.org/10.5281/zenodo.888116.

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The present study was undertaken to investigate in vitro antioxidant activity of alcoholic extract of musa acuminata and mangifera indica . Method and methodlogy: The total Phenolic content was determined using folinciocalteau method while the total flavanoid content was determined using aluminum chloride method. In vitro antioxidant activity was evaluated using the Reducing power assay , Hydrogen peroxide scavenging assay, nitric oxide scavenging activity, and DPPH scavenging activity. Result: In the present study we have conclude that Mangifera Indica has a significant activity than Musa Acu

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Dr.ChandakaMadhu, Gunugurthi Ramya Sai Shreeja Alikette Deeti Prasanna Adiraju Usha Lalitha Gollapalli Shivapoojitha Meher Fathima. "COMPARATIVE STUDY ON PHYTOCHEMICAL SCREENING AND ANTIOXIDANT ACTIVITY ON ETHANOLIC EXTRACT OF ACTINIDIA DELICIOSA AND VITIS VINFERA." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES 05, no. 01 (2018): 735–44. https://doi.org/10.5281/zenodo.1174193.

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The present study was undertaken to investigate in vitro antioxidant activity of alcoholic extract of Actinidia Deliciosa And Vitis Vinfera. Method and methodlogy: The total Phenolic content was determined using folinciocalteau method while the total flavanoid content was determined using aluminum chloride method. In vitro antioxidant activity was evaluated using the Reducing power assay , Hydrogen peroxide scavenging assay, nitric oxide scavenging activity, and DPPH scavenging activity. Result: In the present study we have conclude that Vitis Vinfera, has a significant activity than Actinidia

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Kayalvizhi, S., SP Kopperundevi, and G. Dhineshraman. "Ovulation Inducing Activity in PCOD Induced Female Wister Albino Rats and In vitro Studies of Free Radical Scavenging Activity of Kadugurogini chooranam (Picrorhiza scrophulariiflora)." Journal of Scientific and Innovative Research 12, no. 3 (2023): 57–60. http://dx.doi.org/10.31254/jsir.2023.12303.

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Siddha system of medicine is oldest traditional system in south India. In these system herbals plays a vital role in prevention and curing the disease. Siddhar’s who told the amazing solution for aging process. Causes of aging are due to increased level of free radicals that damage the major constituents of the cell. Herbals naturally have free radical scavenging activity because Presence of phyto-constiuents like polyphenols generally indicates the rejuvenating properties. The present study also to validate the Estrodial induced PCOS female wistar albino rats to treat with extract of Kaduguro

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Gurusamy, K. "Phytochemical screening of leaf extracts of arka kiran var. of guava." Bangladesh Journal of Botany 52, no. 3 (2023): 783–89. http://dx.doi.org/10.3329/bjb.v52i3.68897.

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In the present study the presence of phytochemicals, and in vitro antioxidant activities of ethanolic leaves extract of Psidium guajava Linn variety namely Arka kiran was investigated.The ethanolic leaf extract of Arka kiran was found to processes secondary metabolites of alkaloids, flavonoids, saponin, phenols and glycosides. Gas Chromatography and Mass Spectroscopy (GCMS) study revealed the presence of therapeutic compounds like octadecenoic acid methyl ester, deoxyspergualin and eicosatrienoicacid. The extract assessed for its α–amylase and α–glucosidase inhibition inhibition at a dose of 2

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Md. Mustafezur, Rahman, Saqueeb, Nazmus, Faruk, Md. Al, Rahman, Md. Arifu, and Sathi, Zakia Sultana. "Free radical scavenging Activity :." DIU Journal of Health and Life Sciences 1, no. 01 & 02 (2014): 137–40. http://dx.doi.org/10.36481/diuhls.v01i1-2.jchbx804.

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The present study was aimed at investigating the chemical profiles of the methanolic extract of leaves of Centella asiatica as well as to assess its antioxidative activity. In this study, a methanolic extract (50 g/L) was obtained by infusion followed by cold maceration for 24 h. The phytochemical screening of the plant extract demonstrated the presence of several classes of compounds like alkaloids, flavonoids, tannins and steroids. The concentration of the plant extract needed for 50% scavenging (IC50) of DPPH was found to be 40.4 μg/ml whereas IC50values for the positive control was found t

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Rahman, Md Mustafezur, Nazmus Saqueeb, Md Al Faruk, Md Arifu Rahman, and Zakia Sultana Sathi. "Free radical scavenging Activity :." DIU Journal of Allied Health Sciences 1, no. 01 & 02 (2014): 137–40. https://doi.org/10.36481/diujahs.v01i1-2.jchbx804.

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The present study was aimed at investigating the chemical profiles of the methanolic extract of leaves of Centella asiatica as well as to assess its antioxidative activity. In this study, a methanolic extract (50 g/L) was obtained by infusion followed by cold maceration for 24 h. The phytochemical screening of the plant extract demonstrated the presence of several classes of compounds like alkaloids, flavonoids, tannins and steroids. The concentration of the plant extract needed for 50% scavenging (IC50) of DPPH was found to be 40.4 μg/ml whereas IC50values for the positive control was found t

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Hu-Jun, XIE, MOU Wang-Shu, LIN Fu-Rong, XU Jie-Hui, LEI Qun-Fang, and FANG Wen-Jun. "Radical Scavenging Activity of Myricetin." Acta Physico-Chimica Sinica 29, no. 07 (2013): 1421–32. http://dx.doi.org/10.3866/pku.whxb201304222.

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Lopes, Thiago Inácio Barros, Roberta Gomes Coelho, Nídia Cristiane Yoshida, and Neli Kika Honda. "Radical-Scavenging Activity of Orsellinates." CHEMICAL & PHARMACEUTICAL BULLETIN 56, no. 11 (2008): 1551–54. http://dx.doi.org/10.1248/cpb.56.1551.

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H, Rehana Banu, and Nagarajan N. "EVALUATION OF IN VITRO ANTIOXIDANT ACTIVITY OF A MEDICINAL HERB, WEDELIA CHINENSIS (OSBECK) MERRILL." Asian Journal of Pharmaceutical and Clinical Research 11, no. 10 (2018): 433. http://dx.doi.org/10.22159/ajpcr.2018.v11i10.25008.

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Objective: The objective is to evaluate the antioxidant activity of the methanolic leaf extract of Wedelia chinensis.Methods: In vitro antioxidant activity was evaluated by studying 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, superoxide radical scavenging activity, ferric reducing ability of plasma (FRAP) scavenging activity, hydroxyl radical scavenging activity, metal chelating activity, and total antioxidant activity. Ascorbic acid, BHT, quercetin, and EDTA were used as standards for the experiments.Results: Inhibition concentration50 values observed for DPPH radical sc

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Venkatachalam, Suresh kumar Tirupur, SenthilKumar Palanisamy, Sudhagar Babu та Ranjithkumar Rajamani. "Assesment of free radical scavenging activity and inhibitory properties of aqueous extract of Cymodocea serrulata segrass towards α- glucosidase and α –amylase enzyme". Journal of University of Shanghai for Science and Technology 23, № 12 (2021): 339–60. http://dx.doi.org/10.51201/jusst/21/121035.

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Aim: The study reports the in vitro free radical scavenging and α-amylase and α-glucosidase inhibition activities of aqueous extract of seagrass Cymodocea serrulata from Gulf of Mannar, Southeast Asia. Methods: The free radical scavenging activity was evaluated by DPPH, Superoxide, Nitric oxide and Hydroxyl radical scavenging assays and α-amylase, α-glucosidase enzyme inhibitory activity. The C. serrulata showed effective DPPH radical scavenging activity of 69.45 μg/mL, Superoxide radical scavenging activity of 91.08.5 ± 0.02%, Nitric oxide radical scavenging activity of 86.89 ± 0.03% and Hydr

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Dissertations / Theses on the topic "Nitricoxide Radical Scavenging Activity"

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Watanabe, Koji. "Pterin-6-aldehyde, an Inhibitor of Xanthine Oxidase, Has Superoxide Anion Radical Scavenging Activity." Kyoto University, 2000. http://hdl.handle.net/2433/151411.

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Maina, Mwangi Henry. "Structural investigation of the natural products composition of selected South African seaweeds." University of the Western Cape, 2014. http://hdl.handle.net/11394/4339.

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Philosophiae Doctor - PhD<br>Recently, a great deal of interest has developed towards the isolation of bioactive compounds from marine sources due to their numerous health benefits. Furthermore, marine algae are valuable sources of structurally diverse metabolites with scientifically proven therapeutic claims. The cell walls are rich in sulfated polysaccharides such as fucoidans in brown algae, carrageenans in red algae and ulvans in green algae. These sulfated polysaccharides exhibit many beneficial biological activities such as antico

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Barut, Burak. "Antioxidant Capacities Of Selected Fruits And Herbal Teas Consumed In Regular Diet And Their Antimicrobial Activities Against Staphylococcus Aureus." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12612999/index.pdf.

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Staphylococcus aureus is one of the major causes of food-borne pathogenesis. Antibiotic consumption for these pathogens has been increasing year by year world-wide. In order to decrease the use of synthetic antibiotics, fresh fruits and dry herbs consumed as beverages in regular diets were examined as potential natural antibiotics for the treatment of food based infections against Staphylococcus aureus. Herbs consumed as tea infusions including Pimpinella anisum L. (anise), Anthemis arvensis L. (camomile), Rosa canina L. (rosehip), Salvia fruticosa Mill (sage) and fresh fruit juices including

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Sanchís, Soler Elena. "Effect of processing on the physicochemical, sensory, nutritional and microbiological quality of fresh-cut 'Rojo Brillante' persimmon." Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/62588.

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[EN] Persimmon (Diospyros kaki L.) 'Rojo Brillante' is an astringent variety characterised by good growing conditions, excellent colour, size, sensory characteristics and good nutritional properties. In the last decade, its production has grown substantially in Spain given the application of high levels of CO2 to remove astringency while firmness is preserved. This technology has also increased its potential as a fresh-cut commodity. However, physical damage during processing result in degradation of the colour and firmness of the product and a higher susceptibility to microbial spoilage that

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Wu, Wen-Hsiang, and 吳文祥. "Application of Tilapia metallothionein and MerP in free radical scavenging activity." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/76759568011940543590.

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碩士<br>國立中興大學<br>生命科學系所<br>96<br>Reactive oxygen species (ROS) are continuously produced in biological system by the action of mitochondrial electron transport system and nicotinamide adenine dinucleotide phosphate (NADP) oxidase.These oxygen free radicals are cellular renegades and wreak havoc in biological system by damaging DNA,altering biochemical compounds,corroding cell membranes and killing cells outrightly.Such molecular mayhem plays a major role in the development of ailments like cancer,heart and lung diseases and cataracts.There are various key antioxidants such as superoxide dismuta

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Yang, Kai-Cheng, and 楊楷証. "Preparation of carboxyfullerene-modified titanium dioxide nanomaterials in radical scavenging activity." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/12688685862753525418.

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碩士<br>高雄醫學大學<br>香粧品學系碩士班<br>104<br>Titanium dioxide nanomaterials offer superior protection for human skin against ultraviolet light. However, some literature reviews indicated that it might be associated with adverse effects such as cytotoxicity or reactive oxygen species (ROS) under UV-irradiation due to their nanoscale. The surface of carboxyfullerene is covered with π electrons constituting aromatic structures, which can effectively scavenge large amounts of radicals. Here, we used carboxyfullerene as radical scavenger for covering poor solubility of pristine fullerene. The aim of this stu

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葉書吟. "Chemical Polymorphism and DPPH Radical Scavenging Activity of Leaf Essential Oils of Indigenous Cinnamon." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/16693986653912377728.

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碩士<br>中國文化大學<br>生活應用科學研究所<br>93<br>Abstract Leaves of 98 Cinnamomum osmophloeum plants were grown in Hwa —Lin Forest Experimental Station of Chinese Culture University were picked, the 98 plants were collected from 13 various locations in Taiwan, leaf essential oils of different plants were extracted and their constituents were analyzed and identified by retention index of gas chromatography (GC) and gas chromatography-mass (GC-MS). The yields of essential oils extracted were between 0.09 and 2.65％, the average yield was 0.45％.A total of 51 components were identified from the oil

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Pei-Wen, Lo, and 羅珮文. "Evaluation of the antioxidative and free radical-scavenging activity of several Taiwan unique fruits." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/52278941885290876511.

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碩士<br>輔仁大學<br>食品營養學系<br>89<br>Besides basic nutrients, vegetables and fruits contain many natural antioxidants to scavenge free radicals in human body. The objective of this study is to evaluate the antioxidative activity 、 free radicals (α,α- diphenyl -β- picryl-hydrazyl、hydrogen peroxide、superoxide and hydroxy radicals) scavenging effects and Fe2+ ion chelating ability of methanolic extract of 14 Taiwan unique fruits（5 citric fruits：Citrus sinensis Osbeck, Citrus tankan Hayata, Citrus grandis (L) Osbeck, Citrus grandis Osbeck, Citrus micro carpa, and other 9 fruits：Fragaria ananassa Duch, Hy

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CHEN, WAI-YING, and 陳慧英. "Free Radical Scavenging Activity of Propolis Ethanol Extract and its Inhibitory Effects on Liver Cancer Cells." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/90893243128011150864.

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碩士<br>國立臺灣大學<br>生化學研究所<br>87<br>Propolis is a complicated complex that is rich in phenolic compounds. In this study, the anti-free radical activity of propolis ethanol extract (PEE) was examined by four methods in comparison with pure compounds (caffeic acid, CA; ferulic acid, FA; protocatechuic acid, PA and quercetin, QCT), which can generally be found in propolis. We found that PEE had a high inhibitory effect on the rat liver microsomal membrane to process the NADPH-initiated lipid peroxidation. The results also showed that PEE could effectively stabilized DPPH free radical and had an abili

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Tsai, Hsin-Hui, and 蔡馨慧. "Structure-Activity Relationship of Coumarin and Derivatives on Xanthine Oxidase-Inhibiting and Free Radical Scavenging Activities." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/80470078810093512965.

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碩士<br>臺北醫學大學<br>醫學研究所<br>95<br>We employed the techniques of DNA relaxation, DPPH, and DMPO-electron spin resonance (ESR), to study the effects of the reactive oxygen species (ROS) suppression by 8 selected coumarin and derivatives under oxidative conditions. We also investigated the effect of these derivatives on the inhibition of xanthine oxidase (XO) activity, and the structure-activity relationships (SARs) of these derivatives against XO activity were further examined using computer and molecular modeling. Esculetin and 4-methylesculetin express the more potent radical scavenger among the

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Book chapters on the topic "Nitricoxide Radical Scavenging Activity"

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Yokozawa, Takako, and Erbo Dong. "Radical-Scavenging Activity of Green Tea Polyphenols." In ACS Symposium Series. American Chemical Society, 2002. http://dx.doi.org/10.1021/bk-2002-0807.ch017.

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Kandaswami, Chithan, and Elliott Middleton. "Free Radical Scavenging and Antioxidant Activity of Plant Flavonoids." In Free Radicals in Diagnostic Medicine. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-1833-4_25.

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Ngo, Dai-Nghiep. "Free Radical-scavenging Activity of Marine Proteins and Peptides." In Marine Proteins and Peptides. John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118375082.ch24.

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Lin, Zhibin, and Aoyi Deng. "Antioxidative and Free Radical Scavenging Activity of Ganoderma (Lingzhi)." In Advances in Experimental Medicine and Biology. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9421-9_12.

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Takamura, Hitoshi, Tomoko Yamaguchi, Junji Terao, and Teruyoshi Matoba. "Change in Radical-Scavenging Activity of Spices and Vegetables during Cooking." In ACS Symposium Series. American Chemical Society, 2002. http://dx.doi.org/10.1021/bk-2002-0816.ch003.

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Nasir, Nor Atikah Husna Ahmad, Nurul Atikah Liana Roslly, Nurul Miza Rosli, and Zainab Razali. "Phytochemical Screening and Potential DPPH Radical Scavenging Activity of Banana Peel Extract." In Charting the Sustainable Future of ASEAN in Science and Technology. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3434-8_22.

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Bonne, Claude, Gérard Tissié, Hoa Ngo Trong, Elisabeth Latour, and Claude Coquelet. "Free Radical Scavenging Capacity and Anti-Inflammatory Activity of CBS-113 A." In Advances in Experimental Medicine and Biology. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5730-8_41.

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Valachová, Katarína, Branislav Kura, Ján Slezák, Mojmír Mach, and Ladislav Šoltés. "Comparison of Free-Radical Scavenging Activity of Various Sources of Molecular Hydrogen." In Advances in Biochemistry in Health and Disease. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-47375-3_22.

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Nenadis, Nikolaos, and Maria Z. Tsimidou. "DPPH (2,2-di(4-tert-octylphenyl)-1-picrylhydrazyl) radical scavenging mixed-mode colorimetric assay(s)." In Measurement of Antioxidant Activity & Capacity. John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119135388.ch8.

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Meinke, Martina C., Anna-Christina Lauer, Annette Friedrich, Sophia Arndt, Stefan F. Haag, and Jürgen Lademann. "Electron Paramagnetic Resonance Spectroscopy to Evaluate the Radical Scavenging Activity of the Skin." In Measuring the Skin. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-26594-0_148-1.

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Conference papers on the topic "Nitricoxide Radical Scavenging Activity"

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Lulan, Theodore Y. K., Sri Fatmawati, Mardi Santoso, and Taslim Ersam. "Free radical scavenging activity of Artocarpus champeden extracts." In THE 3RD INTERNATIONAL SEMINAR ON CHEMISTRY: Green Chemistry and its Role for Sustainability. Author(s), 2018. http://dx.doi.org/10.1063/1.5082460.

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Zhang, Jing, Yuan Li, Jing Li, Yadong Zhang, and Junwei Duan. "Preparation and Radical Scavenging Activity of Nano-Fuller-Serine." In 2012 International Conference on Biomedical Engineering and Biotechnology (iCBEB). IEEE, 2012. http://dx.doi.org/10.1109/icbeb.2012.304.

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Antonijević, Marko, Žiko Milanović, Dušica Simijonović, Zoran Marković, and Snežana Marković S. Zoran. "ANTIOXIDATIVE POTENCY AND RADICAL SCAVENGING ACTIVITY OF SELECTED COUMARIN-HYBRIDS." In 1st INTERNATIONAL Conference on Chemo and BioInformatics. Institute for Information Technologies, University of Kragujevac,, 2021. http://dx.doi.org/10.46793/iccbi21.458a.

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In previous studies, it was found that coumarins with hydrazide moiety show good antioxidative potential, while similar coumarins with hydrazone moiety are good anticancer agents. In this paper, the antioxidative potency and radical scavenging activity of two coumarin hydrazone derivatives were investigated. For this purpose, density functional theory method M062X with 6-311G++(d,p) basis set was implemented. It was found that investigated compounds exhibit good antioxidative potency, with very similar BDE values regardless of the position involved. On the other hand, PA values show that a pre

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Habeeb, Noor Zuhier, Asia H. Al-Mashhadani, and Akram Mohammed Ali. "Antioxidant activity and radical scavenging properties of nano natural material." In INTERNATIONAL CONFERENCE OF COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING ICCMSE 2021. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0116741.

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Bi, Yongguang, Zhang Yanfen, and Kong Fansheng. "Experimental Study on Scavenging DPPH Free Radical Activity of Litsea Cubeba Oil." In 2017 7th International Conference on Mechatronics, Computer and Education Informationization (MCEI 2017). Atlantis Press, 2017. http://dx.doi.org/10.2991/mcei-17.2017.202.

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Dong, Fang, Qinzhao Xue, Jingli Liu, Zhanyong Guo, Hongmao Zhong, and Huili Sun. "The Influence of Amino and Hydroxyl of Chitosan on Hydroxyl Radical Scavenging Activity." In 2009 3rd International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2009. http://dx.doi.org/10.1109/icbbe.2009.5163624.

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Chen, Li, and Jia-ying Xin. "Lipase-Catalysed Synthesis of Ferulyl Oleins and Evaluation of Their Radical Scavenging Activity." In 2010 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2010. http://dx.doi.org/10.1109/icbbe.2010.5517053.

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Vucane, Sanita, Martins Sabovics, Lauris Leitans, and Ingmars Cinkmanis. "Smartphone-based colorimetric determination of DPPH free radical scavenging activity in vegetable oils." In Research for Rural Development 2020. Latvia University of Life Sciences and Technologies, 2020. http://dx.doi.org/10.22616/rrd.26.2020.016.

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Free radicals can rapidly and irreversibly oxidize various structures, including unsaturated fatty acids in vegetable oils, which affect the sensory properties. Spectrophotometry is the most widely used method for the determination of free radical scavenging activity (RSA) using 2,2-diphenyl-1-picrylhydrazyl (DPPH). Barrier to the further use of classical analytical methods to analyze biologically active compounds in foodstuffs is that equipment requires high cost and has limited mobility. One of solutions is to replace classical methods, such as spectroscopy, with smartphonebased colorimetry.

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Jumal, Juliana, and Adetunji Fridaos Ayomide. "Synthesis and radical scavenging activity of 6-hydroxyl-4-methylcoumarin and its derivatives." In RECENT ADVANCEMENT ON APPLIED PHYSICS, INDUSTRIAL CHEMISTRY AND CHEMICAL TECHNOLOGY: Proceedings of the International Conference on Recent Advancements in Science and Technology 2017 (ICoRAST2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5041242.

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Megawati, Anggun Rahmita, Hariyanti, and Sofa Fajriah. "Phytochemical screening and free radical scavenging activity of Koordersiodendron pinnatum Merr. bark extracts." In 2ND INTERNATIONAL CONFERENCE ON ENERGETICS, CIVIL AND AGRICULTURAL ENGINEERING 2021 (ICECAE 2021). AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0109928.

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Reports on the topic "Nitricoxide Radical Scavenging Activity"

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ภู่ทอง, ทรงจันทร์, กิตตินันท์ โกมลภิส, อุมาพร พิมพิทักษ์ та อณุมาศ บัวเขียว. ฤทธ์ต้านอนุมูลอิสระและยับยั้งการเจริญฃองเซลล์มะเร็งจากสารสกัดใบชะอม. จุฬาลงกรณ์มหาวิทยาลัย, 2018. https://doi.org/10.58837/chula.res.2018.103.

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สารต้านอนุมูลอิสระจากธรรมชาติที่มีในพืชผักที่บริโภคประจำวันได้รับความสนใจมากเพราะมีความปลอดภัยในการใช้มากกว่าสารต้านอนุมูลอิสระสังเคราะห์ จากรายงานต่างๆ พบว่าสารพฤกษเคมี โดยเฉพาะอย่างยิ่งสารประกอบฟินอลิกบางชนิดมีฤทธิ์ในการต้านอนุมูลอิสระ จากการวิเคราะห์ผักพึ้นบ้านที่นิยมบริโภค 20 ชนิดพบว่า ชะอม (Acacia pennata) มีปริมาณสารประกอบฟินอลิกสูงมากที่สุดถึง 45.3 ไมโครกรัมกรดแกลลิกต่อมิลลิกรัมของสารสกัดแห้ง ดังนั้นในงานวิจัยนี้จึงทำการทดสอบความสามารถในการต้านอนุมูลอิสระของสารสกัดหยาบจากใบชะอมที่เป็นใบสด (F) และใบแห้ง (D) ที่ได้จากการสกัดด้วยน้ำ (H) หรือ 95% เอทานอล (E) จากการทดสอบฤทธิ์ต้านอนุมูลอิสระด

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