13 research outputs found
Evaluation of Hungarian Wines for Resveratrol by Overpressured Layer Chromatography
A method, including solid phase extraction sample preparation, overpressured layer chromatographic separation and subsequent densitometric evaluation, was developed for measurement of total resveratrol (cis- and trans-isomers) content of wine. The amount of resveratrol was determined in wine samples from different winemaking regions of Hungary. The total resveratrol was high in Hungarian red wines (3.6–11 mg/L), and much lower in white ones (0.04–1.5 mg/L)
Confronting climate change in the Gulf region: prospects for sustaining our ecological heritage
From Texas to Florida, the Gulf coast region is rich with ecological resources that support
the region’s economic wealth. Over time, human activities from dam construction to shoreline
development have dramatically altered natural landscapes, waterways, and ecological
processes. Pressures from human activities remain the most important agents of ecological
change in the region today. Over the century ahead, land-use changes are likely to increase as rapid
population growth continues. Global climate change, driven by rising levels of carbon dioxide and
other heat-trapping greenhouse gases in the atmosphere, will interact with, and magnify, other human
stresses on Gulf Coast ecosystems and the goods and services they provide. Confronting Climate Change
in the Gulf Coast Region explores the potential risks of climate change to Gulf Coast ecosystems in the
context of pressures from land use. Its purpose is to help the public and policymakers understand the
most likely ecological consequences of climate change in the region over the next 50 to 100 years and
prepare to safeguard the economy, culture, and natural heritage of the Gulf Coast. This summary
highlights key findings.Union of Concerned Scientists & Ecological Society of Americ