Published July 1959. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
A number of methods to isolate and quantify protein in Pinot noir wines were evaluated. The combination of precipitation by acetone containing 10% w/v trichloroacetic acid followed by quantification with the Bradford assay, reported in yeast invertase equivalents yielded the most accurate results when compared to micro-Kjeldahl analysis. The technique...
Mercury is a toxic heavy metal released into the environment from both natural and anthropogenic sources. The organic form of mercury is a potent neurotoxin that is especially dangerous to developing nervous systems. Results of recent studies have caused the Food and Drug Administration (FDA) and the Environmental Protection Agency...
The objective of this study was to determine the effects of processing on sodium - potassium and calcium - phosphorus ratios in tuna canned in oil and in water, peanut butter, white and whole wheat flours. Mineral levels were determined by atomic absorption spectrophotometry in food samples at various stages...
Absorption of iron from foods has been reported to be inhibited by
various factors including some diet components. Fiber from different
sources has been observed to bind ferrous iron. This may be the reason
for iron deficiencies observed in populations that consume diets high in
non-digestible materials.
The effect of...