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  • 1
    Publication Date: 1975-07-01
    Print ISSN: 0011-183X
    Electronic ISSN: 1435-0653
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Wiley
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  • 2
    Publication Date: 1991-08-01
    Print ISSN: 1093-474X
    Electronic ISSN: 1752-1688
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Published by Wiley
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 43 (1978), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The objective of the present study was to compare the effects of feeding low-fat diets to adolescent boys based on safflower oil, corn oil, or peanut oil on the fatty acid composition of several blood lipid fractions. Boys (aged 13–16 yr) were divided into three groups of 4–5 subjects each and fed weighed controlled diets containing 20% of calories from the test fats for 22 days. Fasting blood samples were drawn the morning of the first day of the study and the morning following the last day of controlled feeding. Blood serum was fractionated by column chromatography into phospholipid, cholesterol ester, triglyceride, and free fatty acid fractions. These were methylated and fatty acid composition determined by gas chromatography. In general in all fractions, feeding of corn oil or safflower oil resulted in increases in linoleic (C2=18) acid content and increases in oleic (C2=18) acid content. Peanut oil feeding resulted in decrease or little change in linoleic acid content and increase in oleic acid content. Results of this study suggest that peanut oil would be better classified with such animal fats as butter oil and beef tallow in human metabolic response than with such vegetable oils as corn oil or safflower oil.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 43 (1978), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A single blind study 57 days in length was conducted to determine the effect of dietary supplementation of vitamin D upon serum lipid levels of older men. The experimental group each received a capsule dose daily of 2000 IU of activated 7-dehydrocholesterol. The control group subjects each received a placebo. Fasting blood samples were taken on days 0, 28 and 57. The blood serum was analyzed for cholesterol, triglyceride and phospholipid content. Results supported the theory that low levels of vitamin D supplementation do have a depressing effect on blood serum cholesterol levels but little or no influence on serum triglyceride or phospholipid levels.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 42 (1977), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The objective of the present project was to determine the effect of graded levels of hemicellulose added to a constant, plant-based diet on serum lipid patterns and protein nutritional status of adult men. The 50-day study was divided into a 2-day depletion period, a 3-day pre-adjustment period, three 14-day experimental periods (randomly arranged) and a 3-day post-adjustment period. During all adjustment and experimental periods, ground peanuts provided 6.0g N/subject/day as the near sole source of dietary protein. In addition to the oil supplied by the ground peanuts, six of the twelve subjects received butter oil while the other six received corn oil on a daily basis. During the three experimental periods, supplements of 4.2, 14.2 and 24.2g of hemicellulose were added daily to the diet. All subjects received all experimental treatments. Graded increases in hemicellulose had no demonstrative effect on nitrogen balances of subjects in strong apparent positive nitrogen balance; however, those individuals in marginal or negative nitrogen balance tended to show poorer nitrogen balances as level of dietary hemicellulose was increased. Mean blood serum cholesterol levels of subjects were slightly lowered as level of dietary hemicellulose was increased regardless of source of dietary fat. While mean serum triglyceride levels of subjects receiving the corn oil and peanut oil combination were quite constant with increases in dietary hemicellulose, the triglyceride levels of all subjects receiving the butter oil and peanut oil combination were increased as levels of dietary hemicellulose were increased.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 49 (1984), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The objective was to determine the effect of cellulose supplementation of a nutritionally complete, liquid formula diet on fecal fiber composition, cellulose digestion, and gastrointestinal tract motility in healthy human adults. The liquid formula product was supplemented with 0, 20, 30 or 40g cellulose/subject/day. Dry fecal weights increased with increasing levels of cellulose; however, moisture content of wet stools tended to decrease. Approximately 76% of the cellulose supplements were recovered in the stools as cellulose. While fecal transit times tended to decrease and number of defecations per period tended to increase with increasing levels of cellulose, stools at high levels of cellulose were abnormal in appearance and several subjects experienced problems with elimination.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 44 (1979), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The object of the study was to determine the effect of graded levels of two types of dietary. fiber on calcium and magnesium utilization by adolescent boys and girls. The 21-day study was divided into a l-day introductory nitrogen depletion period, a 2-day adjustment period and three 6-day randomly arranged experimental periods. During the three experimental periods, the eleven adolescent boys and girls and one young adult woman received a basal diet plus 10g or 20g of cellulose or 10 or 20g of hemicellulose supplements. The subjects were divided into two groups of six subjects each. Calcium and magnesium contents of food, feces, urine and blood serum were measured by atomic absorption spectrophotometry. Statistically significant changes in urinary mineral loss and increases in serum values were demonstrated. While receiving the basal diet alone or plus log cellulose, 20g cellulose, or no fiber, log hemicellulose or 20g hemicellulose, mean urinary calcium excretions (mg/subject/day) were 75.14, 83.14, 76.33, 70.48, 66.64 and 87.58, respectively. During the pre-study and while receiving the basal diet alone, 10g cellulose, 20g cellulose or during the pre-study, no fiber, 10g hemicellulose and 20g hemicellulose supplement, mean magnesium serum values (mcg/subject/dl) were 2.045, 1.938, 1.906, 1.940, 1.995, 1.976, 1.879 and 1.922, respectively.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 27 (1991), S. 0 
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : Levels of nitrate and other inorganic contaminants in the drinking water of 453 Nebraska communities in 1986 were compared with health data for counties in which these communities were located. Data used included death rates per 100,000 population from heart disease, cancer, cerebrovascular disease, pneumonia and chronic lung disease, plus the rate of birth defects. Water samples from 42 communities exceeded the 0.01 mg/liter state and federal standards for selenium while 19 exceeded the 10 mg/liter NO3-N standard. Statistical analysis using Pearson's correlation coefficient method showed no significant relationship between nitrate or selenium and any of the health effects studied. Only barium, fluoride, and chromium were weakly but significantly (P〈0.05) correlated to one or more of the health effects. Approximately one-third of the water samples high in NO3-N also had high levels of selenium. In some communities, the presence of nitrate also signaled the presence of barium, chromium, or arsenic. Results appear to indicate no immediate health risks related to levels of nitrate, selenium, or other inorganic contaminants in Nebraska drinking water. However, this type of statistical analysis cannot be interpreted as proving or disproving a cause and effect relationship.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Plant foods for human nutrition 41 (1991), S. 261-268 
    ISSN: 1573-9104
    Keywords: Nitrate ; nitrite ; beets ; spinach ; commercial food processing ; home food preservation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Nitrate and nitrite content of commercially processed and home processed beets and spinach samples were analyzed using specific ion electrode and colorimetric methods. The home processed beets were found to be significantly higher in nitrate content than the commercially processed beets. This difference was attributed to differences in processing methods. Pickled and Harvard beets contained significantly lower amounts of nitrate/nitrite on a dry weight basis than the other types of processed beets, evidently due to the diluting effect of added sucrose. Home frozen spinach showed a trend toward lower nitrate content than commercially frozen spinach, although the difference was not significant. Length of storage of home processed beets and spinach did not appear to affect nitrate or nitrite content.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Plant foods for human nutrition 41 (1991), S. 355-369 
    ISSN: 1573-9104
    Keywords: sorghum ; niacin ; tannins ; grain sorghum ; fiber
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Niacin utilization to humans from whole grain ground sorghum flour and decorticated grain ground sorghum flour was studied. During two, randomly-arranged experimental periods of 14 days each, the 10 healthy adult subjects ate constant, laboratory controlled diets which included 28 g per day of either a ready-to-eat cereal prepared from whole-ground-sorghum flour or one prepared from decorticated (polished) sorghum flour. All subjects received both experimental treatments, made complete collections of urine and stools, and gave fasting blood samples at the ends of both experimental periods. Although the whole ground cereal contained higher amounts of niacin than did the decorticated cereal, urinary losses of N-methylnicotinamine were higher when the decorticated cereal was fed than when the whole ground cereal was used. Blood serum levels of nicotinamide and N-nicotinamide were higher when the whole ground cereal was fed than the feeding of the decorticated cereal was given. Therefore, it appears that the niacin of whole ground sorghum is absorbed but then the need for niacin is either increased or its urinary excretion is inhibited.
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