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Full-Text Articles in Dietetics and Clinical Nutrition
Binding Of Steroid Hormones In Vitro By Water-Insoluble Dietary Fiber, Crystal G. Whitten
Binding Of Steroid Hormones In Vitro By Water-Insoluble Dietary Fiber, Crystal G. Whitten
Loma Linda University Electronic Theses, Dissertations & Projects
Previous work conducted in our laboratory has shown that steroid hormones bind to natural (e.g., brans, oat hulls) and purified (e.g., cellulose, lignin) fiber components. To explore this relationship further, we assessed the in vitro binding of estrone, estradiol-17β, and testosterone to a water-insoluble fiber fraction obtained from composite food samples of 18 Seventh-day Adventist (SDA) nonvegetarian (NV), 20 SDA lacto-ovovegetarian (LOV), and 15 SDA vegan (V) men. Three-day dietary food records and 72-hr food composites were obtained contemporaneously from each subject. The LOV and V subjects consumed significantly more crude, dietary and water-insoluble fiber than the NV subjects. Water-insoluble …
Time Delayed Protein Complementation, Diana L. Lakusta
Time Delayed Protein Complementation, Diana L. Lakusta
Loma Linda University Electronic Theses, Dissertations & Projects
The time delayed complementation of plant proteins was tested in weanling Sprague-Dawley male rats by measuring growth rates as well as plasma and tissue free amino acids. Diets of pinto beans with rice, corn or wheat were pair-fed in combination or alternating 4 times a day at 6 and 11 am, and 4 and 9 pm for 4 weeks. Plasma, liver and muscle samples were obtained 2 hours postprandial, a time determined most suitable for sacrifice, and analyzed for free amino acids via ion-exchange chromatography. There were no significant differences in growth of rats fed combination or alternating diets.during week …