Sökning: "Tannins"
Visar resultat 1 - 5 av 22 avhandlingar innehållade ordet Tannins.
1. In Vitro Availability of Iron in High-Tannin Sorghum. Effect of Enzymatic Oxidation of Phenolic Compounds
Sammanfattning : Iron deficiency anemia is the most common nutritional disorder in the world. In low income countries, it is to a large extent caused by low bioavailability of iron in the vegetable diet. Vegetable diets contain large amounts of compounds that inhibit iron absorption, e.g. LÄS MER
2. Food choice in fallow deer – experimental studies of selectivity
Sammanfattning : In this thesis, I experimentally investigate feeding selectivity in fallow deer (Dama dama), with respect to plant secondary compounds, especially tannins, which can decrease the quality of foods. I found that fallow deer avoided foods with higher amounts of tannic acid and Quebracho tannin, even though the deer ate some high-tannin food. LÄS MER
3. Bush Encroachment and the Role of Browse in Cattle Production : An ecological perspective from a bush encroached grazing system, Olifants Drift, Kgatleng District, Southeast Botswana
Sammanfattning : The increase in density and cover of woody plant species is coincident with the introduction of cattle in southern Africa, and it is a wide spread phenomenon in the savannas of the world. The causes are little understood, but can only be speculated to be either anthropogenic or natural or a combination of both. LÄS MER
4. Phenolic content in cereals and legumes. Influence of processing and effect on in vitro availability
Sammanfattning : Iron deficiency anaemia is highly prevalent in Tanzania, and one of the major causes is the low bioavailability of iron in the plant food staple diet. Cereals and legumes contain large amounts of compounds that inhibit iron absorption, e.g. LÄS MER
5. Importance of tannins for responses of aspen to anthropogenic nitrogen enrichment
Sammanfattning : Boreal forests are often strongly nitrogen (N) limited. However, human activities are leading to increased N inputs into these ecosystems, through atmospheric N deposition and forest fertilization. LÄS MER