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Bioavailability of vitamin B-6 from test foods and metabolism of vitamin B-6 in men receiving supplementary pyridoxineWang, Kuen Wu 08 December 1982 (has links)
The bioavailability of vitamin B-6 from four selected
foods was investigated in five men, aged 22 to 25 years,
who were receiving a pyridoxine supplement. The subjects
received a constant diet containing 1.34 mg of vitamin B-6
throughout this five-week study, except on Saturdays and
Sundays when they ate their self-chosen diets. Starting
on day 6 of week 1, following a five-day adjustment period,
the subjects received orally 5-mg crystalline pyridoxine
supplement daily, except on Tuesday and Thursday of each
week. On these two days, the subjects were given orally
0 mg or 2 mg of crystalline pyridoxine, or test doses of
bananas, filberts, soybeans and beef which contained around 2 mg of vitamin B-6. Vitamin B-6 was determined
by microbiological assay with Saccharomyces uvarum.
Vitamin B-6 bioavailability in the test food was determined
by comparing 24-hour urinary total vitamin B-6 in
response to the test food doses to that excreted following
a 2-mg crystalline pyridoxine dose in each subject.
Compared to the 100 percent bioavailability of the 2-mg
crystalline PN dose, the average vitamin B-6 bioavailability
in bananas was 115 + 32% and that in filberts, soybeans
and beef was 93 + 8%, 73 + 20% and 87 + 7%, respectively.
The metabolism of vitamin B-6 in pyridoxine-supplemented
subjects was also investigated by measuring
changes in plasma total vitamin B-6 which increased and
was stablized after three weeks of pyridoxine supplementation.
It was concluded that urinary total vitamin B-6
in pyridoxine-supplemented subjects can be used as a
measure of vitamin B-6 bioavailability from test food doses. / Graduation date: 1983
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Nitrogen utilization and production of dairy goats fed different nitrogen sources /Asih, A. Rai Somaning. January 2001 (has links) (PDF)
Thesis (Ph. D.)--University of Queensland,2001. / Includes bibliographical references.
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Effects of accelerated aging on lipid oxidation in quinoa (Chenopodium quinoa)Ng, Su Chuen. January 2003 (has links) (PDF)
Thesis--PlanA (M.S.)--University of Wisconsin--Stout, 2003. / Includes bibliographical references.
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Preparation and properties of a dietary fibre (plantix) from apples.Farber, Jonathan. January 1981 (has links)
No description available.
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Nutrition awareness of folic acid among Thai womenStrahley, Monica L. January 2003 (has links)
The objective of this study was to determine Thai women's nutrition awareness of folic acid and its role in the prevention of neural tube defects. Three hundred and two Thai women between 18-45 years completed a 30 itemized survey. There was a significant lack of nutrition awareness of folic acid. Many women (n= 274; 91.9%) had not heard of neural tube defects (NTD) and only 8.1 % (n=24) had heard of spina bifida/NTD. More than 50% (n=176) were unaware of NTD. Only 11.6% of the women (n=35) thought consuming vitamins during pregnancy would reduce the risk of birth defects. More than 80% of the women reported the best time to take folic acid supplement was during pregnancy. Less than 20% of the women indicated taking folic acid supplement before or after pregnancy. In this population, nutrition awareness of folic acid was minimal. / Department of Family and Consumer Sciences
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Analytical characterization of camel meat and milk fatHaasmann, Stephan Otto January 1998 (has links)
The aim of this study was to characterize the fat composition of camel milk fat and camel hump fat and thereby assist in the technological development of camel milk and meat based products. The latter is of major interest in parts of Africa where the camel resides in large numbers. A combination of silver-ion and reversed phase HPLC enables the isolation of triglycerides according to their saturation class and carbon number. Subjection of the isolated triglycerides to enzymatic splitting with lipase and subsequent analysis of the free fatty acids generated enables a positional analysis of the main triglyceride components and thus a characterization of the fat. The analytical techniques employed may equally well be applied to other fats or oils to allow their characterization.
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Studies on dietary factors affecting plasma and red cell folateShen, Chia-ying 01 July 1977 (has links)
Graduation date: 1978
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Consumption patterns of vitamin a-rich foods of 10-13 year old children living in a rural area in VendaTshihwanambi, T. P. January 2008 (has links)
Thesis (M. Consumer Science (General))(Natural and Agricultural Science)) -- University of Pretoria, 2007. / Includes bibliographical references. Available on the Internet via the World Wide Web.
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Apparent digestibility of dietary fiber and its components in human subjectsSlavin, Joanne Louise. January 1981 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1981. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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Hydroxylase systems which catalyze the enzymatic activation of vitamin DYoon, Poksyn Song. January 1900 (has links)
Thesis--University of Wisconsin--Madison. / Typescript. Vita. Includes bibliographical references.
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