Antioxidant activity of plant extracts thesis

antioxidant activity of plant extracts thesis The doctoral thesis includes: 156 pages 60 figures 32 tabels  ocimum, essential oils, plant extracts, antioxidant activity, neuroprotective activity 1 table of contents review of the literature chapter i botanical, phytochemical and biological studies regarding the species ocimum basilicum l, ocimum basilicum var purpurascens.

Extracts of plant parts (fruits, seeds, leaves, etc) are used for medicinal effects, among which some of the classes of compounds have antioxidant activity against reactive species in the body the most recognized antioxidants derived from medicinal plants are phenolic compounds and have high antioxidant activity against free radicals. Several fruits and fruit extracts, as well as arrowroot tea extract [1] and caffeine [2], have been found to exhibit antimicrobial activity against e coli o157:h7 this suggests that plants which manifest relatively high levels of antimicrobial action may be sources of compounds that can be used to inhibit the growth of foodborne pathogens. The aim of the study was to evaluate the antifungal activity of extracts of 10 plant species used in traditional uruguayan medicine against the phytopathogenic fungus alternaria spp the plants were selected on the basis of their reported ethnobotanical uses. 31 antimicrobial activity of plant extracts against bacteria 27 28 antioxidant and antimicrobial activity of mandragora autumnalis bertol extracts by noor bashar jodallah supervisor prof dr antioxidant activity is due to flavones, isoflavones, flavonoids, anthocyanin, coumarin lignans, catechins and isocatechins (aqil et al,. A dose of 800 and 1200 mg/kg, po [25] cyclophosphamide and plant extracts doses and dosing schedules were based on published report 534 test animals healthy mice (25-30 g) of either sex were selected for the study d thesis, integral university page 100 chapter 5 evaluation of immunomodulatory activity and antioxidant activity.

Effect of extraction solvent/technique on the antioxidant activity of selected medicinal plant extracts bushra sultana 1 , farooq anwar 1, and muhammad ashraf 2. Research was to determine the antioxidant activity of extracts from selected plant materials, namely caesalpinia spinosa , perilla frutescens , artemisia annua and viola wittrockiana gams. The antioxidant activity of the plant extracts and the standard was assessed on the basis of the radical scavenging effect of the stable 1, 1-diphenyl-2-picryl.

The basis of the selection of the articles was (i) antioxidant activity of plant extracts and (ii) description of antioxidant test procedures a total of seventy-four papers and abstracts were identified and reviewed for in vivo and in vitro methods related to antioxidant evaluation. Green synthesis of silver nanoparticles using extracts of ananas comosus naheed ahmad 1, seema sharma 2 1 properties including antioxidant activity it contains en- ticles at room temperature by using plant extracts of ananas comosus. Evaluation of antimicrobial activity of different solvent extracts of medicinal plant: melia azedarach l research article antara sen department of botany, university of rajasthan, jaipur, india. Phenolic content and antioxidant activity of the plant extract results: significant variability in phenolic content and antioxidant activity, depending on the solvent (s), and to a lesser degree, extraction duration (d) and their interaction (s/d) were found. 2010 antioxidant activity of seed extracts of annona squamosa and carica papaya poster titled “antibacterial activity of certain plant products” was presented at a ugc sponsored.

The antioxidant activity of the methanolic and acetone extracts from arum dioscoridis seed was measured by various assays including ferric reducing antioxidant power, cupric reducing antioxidant capacity, scavenging activity of hydrogen peroxide and metal chelating capacity. Vol 57 antioxidant activity of medicinal plants 231 nal plants investigated and will reveal which of them are the best sources of dietary antioxidants. A thesis for bachelor’s degree phytochemical screening and analysis of antibacterial and antioxidant activity of ficus auriculata, lourstem bark a thesis submitted to pokhara university in a. Thesis on antioxidant activity of medicinal plants curcumin is a constituent (up to ∼5%) of the traditional medicine known as turmeric interest in the therapeutic use of turmeric and the relative ease of isolation of curcuminoids has led to their extensive investigation.

Anticancer, antioxidant and antimicrobial screening of extracts from ziziphus mucronata, heliotropium ciliatum and gnidia polycephala from the oshikoto region of namibia a thesis submitted in partial fulfillment of the requirement for the degree of. The antioxidant activity of extracts from 37 samples of algae, comprising 30specie s of hawaiian algae from 27 different genera (table 1) using the ferric reducing antioxidant power (frap) assay furthermore, we used bioassay-guided fractionation to isolate and identify the major antioxidant. Plant extracts (20 μl) were mixed in a test tube with 02 ml of folin-ciocalteu reagent and 2 ml of distilled preliminary evaluation of the antioxidant activity by the dpph free radical scavenging assay the radical scavenging ability was determined according to the method of mensor et al. The methanol extract of 12 medicinal plants were evaluated for its antibacterial activity against gram-positive (5 strains) and gram-negative bacteria (10 strains) by assay for minimum inhibitory concentration (mic) and minimum bacterial concentration (mbc). To evaluate the insecticidal, antimicrobial and antioxidant activities of bulb extracts of allium sativum (a sativum) similar reports of antimicrobial activity were observed with plant extracts of terminalia sps, withania somnifera, cassia auriculata and morinda citrifolia [17-19] sc thesis submitted to usman danfodiyo university.

Antioxidant activity of plant extracts thesis

4 purpose the purpose of this thesis is the analysis of the effects produced by a mushroom extract and some plant extracts on some tumor cell lines. The antioxidant activities of methanol extracts of oregano, dittany, thyme, marjoram, spearmint, lavender and basil were tested in lard stored at 75°c the concentration of extracts in lard varied from 001 to 020. The work provided in this thesis, unless otherwise referenced, is the ic 50 values for antioxidant activity of plant extracts 38 acetylcholinestrase inhibitory activities of plants used in taphm for the treatment of age-related diseases 39 xi in-vitro evaluation of acetylcholinesterase inhibition and antioxidant.

  • Plant extracts were prepared from stock solutions and arranged in rows, as well as a growth control well (without drug) and a purity control well, which contained yeast-free medium (cormican and pfaller, 1996.
  • The research work embodying the results reported in this thesis entitled “evaluation of the antioxidant and in vitro cytotoxic activity of averrhoa carambola l , aegle marmelos and spondias pinnata leaf extracts ” submitted by anahita tanzia zaman in partial fulfillment of the.
  • Antioxidant activity of extract (µg/ml) expressed as ascorbic acid equivalents total phenolic content plant extracts were dissolved in methanol to obtain a concentration of 500µg/ml 1 ml of test sample and 4 ml of distilled water were added to a volumetric flask (10 ml capacity) and kept for five.

Background numerous reports have identified therapeutic roles for plants and their extracts and constituents the aim of this study was to assess the efficacies of three plant extracts for their potential antioxidant and anti-inflammatory activity in primary human skin fibroblasts. There is a correlation between total antioxidant activity and total phenolic content with the exception of the seed extracts analysed the apparent high antioxi- phenolic compounds are plant secondary metabo-lites, which play important roles in disease resistance al, 2003) the antioxidant activity of olive wood extracts was reported.

antioxidant activity of plant extracts thesis The doctoral thesis includes: 156 pages 60 figures 32 tabels  ocimum, essential oils, plant extracts, antioxidant activity, neuroprotective activity 1 table of contents review of the literature chapter i botanical, phytochemical and biological studies regarding the species ocimum basilicum l, ocimum basilicum var purpurascens. antioxidant activity of plant extracts thesis The doctoral thesis includes: 156 pages 60 figures 32 tabels  ocimum, essential oils, plant extracts, antioxidant activity, neuroprotective activity 1 table of contents review of the literature chapter i botanical, phytochemical and biological studies regarding the species ocimum basilicum l, ocimum basilicum var purpurascens.
Antioxidant activity of plant extracts thesis
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2018.