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 22 for “"plant products"”.
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The Effects of Naturally Occurring Plant Products on Experimental Haemonchus contortus Infection in Gerbils and Sheep
… of parasite control. One method involves using plant products with natural anthelmintic properties. This thesis assessed the efficacy of several plant products against experimental Haemonchus contortus infection in gerbils and sheep. In gerbil assays, animals were orally infected with 600 …
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INVESTIGATION OF PLANT DERIVED NANOVESICLES FROM PLANT PRODUCTS AS NEW BIOACTIVE INGREDIENTS FOR FOOD SUPPLEMENTS AND FUNCIONAL FOODS DEVELOPMENT
Plant-derived nanovesicles represent an emerging research area that addresses critical challenges such as the stability, bioavailability, and efficacy of traditionally known plant extracts. This thesis explores plant-derived vesicles obtained from arugula leaves (ALVs) as a novel ingredient for the …
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ΜΕΛΕΤΗ ΤΗΣ ΣΤΑΘΕΡΟΤΗΤΑΣ ΚΑΙ ΥΠΟΛΕΙΜΜΑΤΙΚΟΤΗΤΑΣ ΤΟΥ ΝΕΟΥ ΕΝΤΟΜΟΚΤΟΝΟΥ "ΔΙΑΙΘΥΛΟΦΩΣΦΟΡΙΚΟΣ ΕΣΤΕΡΑΣ ΤΗΣ ΔΙΚΥΚΛΟΠΡΟΠΥΛΟΚΕΤΟΞΙΜΗΣ"
… FOR THE ISOLATION OF PEPTICIDE RESIDUES FROM PLANT PRODUCTS AND FOR THE OPTIMIZATION OF HPLC SYSTEMS (NORMAL ADREVERSE PHASE). FOR THE OPTIMIZATION OF HPLC, TERNARY MOBILE PHASES WERE USED ACCORDING TOTHEIR SNYDER SOLVENT SELECTIVITY PARAMETERS. IN VITRO AND IN VIVO DEGRADATION OF THE COMPOUND …
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Using Species Distribution Modeling to Assess Illegal Trade Risk: A Case Study of US Imports of Endangered Mahogany (Swietenia spp.)
… legislation against importing illegally sourced plant products. These laws, including the US Lacey Act Amendment of 2008, involve collecting information from importers on the scientific name and country of harvest of their plant products. For many species, a lack of consistent, comprehensive …
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Willingness to Pay for a Native Central Texan Plant as a Food Source
… willingness to pay rate of a native Texas plant fruit product for the restaurant industry as well as for the consumer market. Farmers' markets and restaurants specializing in either local and/or organic foods were the focus of the market samples. The survey to determine market viability was …
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The impact of information on animal product consumption
Consumers' dietary preferences for animal products such as meat, dairy, and eggs carry a profound influence on environmental sustainability, public health, and animal rights. While shifting preferences towards plant products is important to many organizations working across those three fields, …
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Functional properties of galectin-3. Beyond the sugar binding.
… we tested the inhibitory potential of a few plant products for several galectins. We found that their activity was very weak, hence the search for more potent anti-galectin, perhaps also anti-inflammatory remedies continues.
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Maize β-glucosidase substrate specificity and natural substrates
Plant β-glucosidases (β-D-glucoside glucohydrolases, E.C. 3.2.1.21) are known to function in defense in cyanogenic systems, and may also function in the metabolism of phytohormone glucosides and glucosides of other secondary plant products. Maize (Zea mays L.) β-glucosidase is a homodimer of 60 KD …
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Evaluating the Use of Modified Corn Distillers Grains as a Fish-meal Protein Replacement in Yellow Perch Perca flavescens
… urgency to find alternative protein sources. Plant products having sufficient nutrient composition and no anti-nutritional factors offer a viable alternative to conventional FM based diets. A grain ethanol product stream called distillers grains (DG) offers a potential alternative. DG can be …
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Investigations into Message Passing Neural Networks and Polymer Fouling
… fouling is a pervasive problem in ethylene plants. Foulant, or the undesired accumulation of material, has been identified throughout process units of ethylene plants. Fouling can result in a multitude of challenges in plant production and operation. A few challenges include reduced thermal …
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Bioassay-guided fractionation of Artemisia afra for in vitro antimalarial activity against Plasmodium falciparum
… there has been much interest in natural plant products for new antimalarials with novel modes of action against Plasmodium. Artemisinin or Qinghaosu is one such antimalarial isolated from a Chinese herb, Anemisia annua (Asteraceae) and it is currently undergoing phase I and II clinical …
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The role of human disturbance in the dynamics and distribution of sand forest in and around Tembe Elephant Park, KwaZulu-Natal.
… i11 the fom1 of utilisation of forest products and the effects of this on the d}11amics of sand forest as a ·whole as well as on individual species. Sand forest in this area was restricted to deep \ilite sands and occurred as patchy strips mlh a north-south onen.latio11 within a mosaic …
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In vitro screening of Trametes versicolor and Acacia nilotica derivatives for antimalarial efficacy
… drug discoveries have derived from natural products (e.g. quinine and artemisinin derivatives). New natural product usage has diminished during the past few decades as a result of advances in molecular target detection and high-throughput screening technologies. Technical difficulties …
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An investigation into the potential of crude and partially separated material of selected non–crop plant species as control agents of root–knot nematodes (Meloidogyne incognita) in tomato
Plant-parasitic nematodes (PPN) are a serious problem in vegetable production and can cause severe damage to several crops. In rural, low-input farming nematode damage is much higher and yields can be completely destroyed. Some Commercial nematicides have been withdrawn from the market due to …
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Efficacy of indigenous pesticidal plants for tomato and brassica pest management in Malawi
… have considerable knowledge about pesticidal plants and reported Tephrosia vogelii, Vernonia amygdalina, Tithonia diversifolia and Azadirachta indica as particularly important. T. vogelii was the most popular species in Zambia (60.7%) and Malawi (53.4%) while brassicas constituted 34% and 44% …
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What's cooking in the Indus Civilisation? Investigating Indus food through ceramic lipid residue analysis
This thesis investigates which products were used in ceramic vessels by populations of the Indus Civilisation through ceramic lipid residue analysis. It uses concepts of food choice and foodways to explore the culinary practices of Indus populations. Specifically, the thesis examines how vessels …
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Diversity and species overlap of Botryosphaeriaceae on some trees of Anacardiaceae in disturbed and undisturbed ecosystems in South Africa
… are common and diverse on native and non-native plants. It has been established that the ability of Botryosphaeriaceae fungi to exist in healthy plant tissues as endophytes facilitates their global movement during the international trade of plants and plant products. It is important to understand …
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Synthesis of Lignans Utilising the Acyl-Claisen Rearrangement: Total Syntheses of (+)-Ovafolinin A, B, (–)-Bicubebin A, B and (+)-Bicubebin C
Lignans are a diverse class of natural plant products which continue to provide new chemical structures as potential biologically active compounds. The recent syntheses of lignans has allowed for the development of new synthetic methods, confirmed or corrected proposed structures for these natural …
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Plant-Based Compound Treatment of Hypercholesterolemia in the Zebrafish
… model system to test the ability of natural products to treat hypercholesterolemia and its peripheral cardiovascular consequences. In this endeavor, tools are developed and utilized to test the efficacy of the medicinal plant hawthorn (Crataegus laevigata) in treating lipid disorders, with …
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Quantifying the trade impact of non-tariff measures: Econometric and CGE Analysis
… by New Zealand. These restrictions mean that plant products presenting a biosecurity risk cannot be imported unless the exporting country is covered by an import health standard for that particular commodity. Using the Global Trade Analysis Project (GTAP) model, I find that if, in a …
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