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Food Science

Food Science and Human Nutrition Publications

Chemistry

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Full-Text Articles in Life Sciences

Hypericum In Infection: Identification Of Anti-Viral And Anti-Inflammatory Constituents, Diane F. Birt, Mark P. Widrlechner, Kimberly D.P. Hammer, Matthew L. Hillwig, Jingqiang Wei, George A. Kraus, Patricia A. Murphy, Joe-Ann Mccoy, Eve S. Wurtele, Jeffrey D. Neighbors, David F. Wiemer, Wendy J. Maury, Jason P. Price Aug 2009

Hypericum In Infection: Identification Of Anti-Viral And Anti-Inflammatory Constituents, Diane F. Birt, Mark P. Widrlechner, Kimberly D.P. Hammer, Matthew L. Hillwig, Jingqiang Wei, George A. Kraus, Patricia A. Murphy, Joe-Ann Mccoy, Eve S. Wurtele, Jeffrey D. Neighbors, David F. Wiemer, Wendy J. Maury, Jason P. Price

Food Science and Human Nutrition Publications

The Iowa Center for Research on Botanical Dietary Supplements seeks to optimize Echinacea, Hypericum, and Prunella botanical supplements for human-health benefit, emphasizing anti-viral, anti-inflammatory, and anti-pain activities. This mini-review reports on ongoing studies on Hypericum. The Center uses the genetically diverse, well-documented Hypericum populations collected and maintained at the USDA-ARS North Central Regional Plant Introduction Station (NCRPIS), and the strength of research in synthetic chemistry at Iowa State University to tap natural diversity, to help discover key constituents and interactions among constituents that impact bioactivity and toxicity. The NCRPIS has acquired more than 180 distinct populations of Hypericum, with a ...


Thermogravimetric Quantification Of Biodiesel Produced Via Alkali Catalyzed Transesterification Of Soybean Oil, Priyanka Chand, Ch. Venkat Reddy, John G. Verkade, Tong Wang, David Grewell Feb 2009

Thermogravimetric Quantification Of Biodiesel Produced Via Alkali Catalyzed Transesterification Of Soybean Oil, Priyanka Chand, Ch. Venkat Reddy, John G. Verkade, Tong Wang, David Grewell

Food Science and Human Nutrition Publications

The aim of this study was to demonstrate the use of thermogravimetric analysis (TGA) as a potential screening method for monitoring biodiesel production by transesterification of soybean oil with methanol. Soybean oil and commercially available biodiesel were mixed in varying proportions by weight as standards. In addition, mixtures of different biodiesel/soybean oil ratios were also created by periodically interrupting base-catalyzed transesterification of soybean oil with methanol. The mixtures produced by both approaches were analyzed with TGA over a temperature range of 25−500 °C. The results were then compared with analytical data obtained by proton nuclear magnetic resonance spectroscopy ...


Structure And Function Of Starch From Advanced Generations Of New Corn Lines, Y. Ji, K. Wong, J. Hasjim, Linda M. Pollak, Susan A. Duvick, Jay-Lin Jane, Pamela J. White Nov 2003

Structure And Function Of Starch From Advanced Generations Of New Corn Lines, Y. Ji, K. Wong, J. Hasjim, Linda M. Pollak, Susan A. Duvick, Jay-Lin Jane, Pamela J. White

Food Science and Human Nutrition Publications

Objectives of this research were to evaluate functions and structures of starches from exotic × adapted inbred lines and exotic lines, to confirm that the functional traits continue into the next generation of inbreeding, and to establish relationships between the fine structure and functional properties of the starches. Several lines were characterized from the successive generations of exotic crosses and exotic inbreds containing kernels with unusual, and potentially useful, thermal properties as measured by differential scanning calorimetry (DSC, gelatinization onset temperature <60 °C or range of gelatinization temperature >14 °C). The frequency of these traits increased with succeeding generations, when selection of the plants was based on the ...