Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 227 for “"Bioactive compounds"”.
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Bioavailability of Bioactive Compounds
… to have health benefits. As interest in dietary bioactive compounds functional ingredients increase, more emphasis has been placed on identifying which compounds have high efficacy as well as bioavailability. The ability of a compound to exert its health promoting effects depends on its …
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Preservation of Bioactive Compounds in Blueberry Fruit
… while eliminating sugars and other inactive compounds that interfere with in vitro biological assays. This study revealed that a wild blueberry (Vaccinium angustifolium Ait.) fraction rich in proanthocyanidins (fraction 5 from Toyopearl, extracted with 50% acetone) inhibited the growth of …
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Formulation and preparation of niosomes containing bioactive compounds
… containing trans-resveratrol (RSV), a bioactive compound with antioxidant capacity and beneficial effects for human health. First, the suitability of niosomes to encapsulate RSV was studied using Span 80 and Span 60 as surfactants, and cholesterol as membrane stabilizer. Niosomes were …
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Isolation and Synthesis of Bioactive Compounds from Plants
As a part of a continuing search for bioactive compounds with the International Cooperative Biodiversity Group (ICBG), and in collaboration with the Natural Products Discovery Institute of the Institute for Hepatitis and Virus Research (IHVR), twelve plant extracts were investigated for their …
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Breeding for Bioactive Compounds in Vigna Unguiculata L. (WALP.)
… This dissertation details efforts to bio-fortify bioactive compounds (phenols, antioxidants, condensed tannins, flavonoids and anthocyanins) in Vigna unguiculata, a staple legume grain crop. Approaches included screening of genetic variation in polyphenolic compositions to identify potential …
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Supramolecular derivatives of selected bioactive compounds : a physicochemical study
… was to prepare new solid phases of three bioactive compounds: the steroidal anticancer agent 2-methoxyestradiol [polymorphs and cyclodextrin (CD) inclusion complexes], its derivative 2-methoxyestradiol-bis-sulfamate (polymorphs), and the antiretroviral agent, nevirapine (co-crystals). The …
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EXPLOITATION OF ANTIOXIDANT BIOACTIVE COMPOUNDS FROM AGRO-INDUSTRIAL BY-PRODUCTS
… be exploited to obtain extracts enriched with bioactive compounds that possess antioxidant and antiradical properties. For this purpose, plant parts that are generally discarded because they are recognized as waste or as a production surplus and are not marketable, were selected among the …
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PLANT BIOACTIVE COMPOUNDS FOR SUSTAINABLE NUTRITION AND PREVENTION OF METABOLIC DISEASES
… to prevention and treatment. This work focus on bioactive compounds derived from legumes and pseudocereals that have emerged as promising therapeutic agents for the treatment of metabolic-related chronic diseases. These compounds include polyphenols and peptides, both renowned for their …
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Utilization of shrimp waste for the recovery of valuable bioactive compounds
Submitted in Fulfilment of the Requirements of the Degree of Master of Applied Science: Biotechnology, Durban University of Technology, Durban, South Africa, 2018.
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Investigation of the production and isolation of bioactive compounds from cyanobacteria.
… to produce nodularins (NOD) and a range of other bioactive peptides such as spumigins and nodulopeptins, all of which have unclear function. In a recent study, three new nodulopeptins with molecular weight of 899, 901 and 917 were characterised from N. spumigena KAC 66. In the present study, N. …
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Characterization of Bioactive Compounds by Mass Spectrometry and Nuclear Magnetic Resonance
In the last part of this project, ESIMS and ESIMS/CID/MS were employed to profile eicosanoids in different cell cultures. Eicosanoids are fatty acid derivatives with a variety of extremely potent hormone-like actions on various tissues of vertebrate animals. Profiling eicosanoids by mass …
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Pharmacological studies of bioactive compounds from medicinal mushrooms in Northeast of Thailand
… treatment. In the present study, the compounds from three mushrooms P. everhartii, P. laevigatus and F.cajanderi were extracted with ethanol and biological evaluation such as anti-cancer, anti-Alzheimers, anti-microbial and anti-inflammatory activity carried out. An ethanol crude …
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Production of emulsions with controlled droplet size containing bioactive compounds using membranes
En el presente trabajo, se han preparado emulsiones simples y dobles, de interés en la industria alimentaria, farmacéutica y cosmética, conteniendo biocompuestos con capacidad antioxidante, tanto de carácter lipófilo (luteína), como hidrófilo (resveratrol). Para ello, se utilizaron diferentes …
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Characterization and optimization of bioactive compounds from herbal plants using microwave assisted infusion
… due to the effectiveness in extracting the bioactive compounds. In this study, optimization of microwave assisted infusion (MAI) parameters based on selected herbal plants activities from conventional infusion was carried out. The parameters investigated were microwave power, brewing time …
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Isolation and characterisation of bioactive compounds from Vitex pinnata and associated fungal endophytes
… sp and Pestalotiopsis olivacea afforded nineteen compounds and several of these compounds exhibited good anticancer, antitrypanosomal and anti-mycobacterial activities. Secondary metabolites isolated from leaves of V. pinnata previously reported to exhibit good anti-inflammatory activity and …
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Process development for the extraction of bioactive compounds from endemic South African mushrooms
… bioprocess pipeline for producing and extracting bioactive fungal compounds, using two endemic South African mushrooms, Hericium ophelieae and Pleurotus overstrandensis, as case studies. This is the first applied study into these novel species from economically important genera. The bioprocess …
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