Illness and medicine are among a limited number of topical domains which cross-cultural researchers have for some time described as organized bodies of cultural knowledge (e.g., Clements 1932; and see Conklin 1972:363–392 for a bibliography).
– This article responds to a call for rethinking the science that we teach to school learners in South Africa. Much of the debate on the nature of science and science learning is reflected in a body of literature which analyses the tensions between disparate perspectives on science education.
Samples of dried shea fruit pulp were collected from tree populations in Mali, Burkina Faso, northern Cameroon, and Uganda. A variety of analytical methods was used to measure total soluble solids (TSS), crude protein, and mineral contents.
Samples of dried shea fruit pulp were collected from tree populations in Mali, Burkina Faso, northern Cameroon, and Uganda. A variety of analytical methods was used to measure total soluble solids (TSS), crude protein, and mineral contents.
Local ecological knowledge (LEK) of those who earn their livelihoods from natural environments has long been recognized as providing far-reaching insights into ecological processes.
Agroforestry systems are believed to provide a number of ecosystem services; however, until recently evidence in the agroforestry literature supporting these perceived benefits has been lacking. This special issue brings together a series of papers from around the globe to address recent findings on the ecosystem services and environmental benefits provided by agroforestry.
Mahafaly uses of plants to treat toothache in the Antongobe region are consistent with those from other countries where related species grow. We identify eight wild plants used in herbal dentistry, describe their manner of preparation and medicinal uses, and discuss their pharmacological properties. We also indicate briefly where dental problems belong in the larger ethnomedical system.
Chemical protection plays a decisive role in the resistance of plants against pathogens and herbivores. The so-called secondary metabolites, which are a characteristic feature of plants, are especially important and can protect plants against a wide variety of microorganisms (viruses, bacteria, fungi) and herbivores (arthropods, vertebrates).
Main conclusion The leaves of Withania somnifera contained four morphologically distinct trichome types: glandular capitate, non-glandular dendritic (branched), non-glandular bicellular and non-glandular multicellular trichomes. Major phytochemical compounds present within glandular and non-glandular trichomes were alkaloids and phenolic compounds.
