نتایج جستجو برای: recommended dietary allowances
تعداد نتایج: 319527 فیلتر نتایج به سال:
BACKGROUND We investigated the effects of dietary calcium (Ca) and magnesium (Mg) intakes on cardiovascular disease risks in older patients with diabetes. METHODS In this cross-sectional study, 197 patients with type 2 diabetes aged 65 years and above were recruited. The 24-h dietary recalls and 1-week self-reported typical dietary intake patterns were collected. The Ca and Mg intakes of <67%...
The edible fruit tissue of Indian laburnum fruit (Cassia fistula L.), a member of the leguminosae family, was analyzed for certain organic compounds and mineral nutrients. Of the nine macro- and micronutrients studied, K was the most highly concentrated such that 100% of the US Recommended Dietary Allowances (RDA) for adults could be met by the consumption of about 100 g of the fresh fruit. Na ...
Synthetic wideband waveforms (SWW) combine a stepped frequency CW waveform and a chirp signal waveform to achieve high range resolution without requiring a large bandwidth or the consequent very high sampling rate. If an efficient algorithm like the range-Doppler algorithm (RDA) is used to acquire the SAR images for synthetic wideband signals, errors occur due to approximations, so the images m...
We provide algebraic simplifications for the redundancy analysis (RDA) eigenvalue and the canonical correspondence analysis (CCA) eigenvalue in the special case of permanent plots sampled twice. The indices for RDA and CCA are interrelated and are intuitively interpretable. These simplifications also apply to simple split-plot designs and to a balanced design with two independent samples.
This paper outlines the modification of the Nutritional Questionnaire for Older Adults (NQOA) to determine the extent to which knowledge and attitude can predict dietary adequacy. Aged adults (65 years or older) who participate in the Title III-C congregate meal program at a small community Senior Center in Alabama (n = 22) served as subjects for this study. Knowledge and attitude were shown to...
The purpose of this work was to determine the effects of varying levels of dietary protein on body composition and muscle protein synthesis during energy deficit (ED). A randomized controlled trial of 39 adults assigned the subjects diets providing protein at 0.8 (recommended dietary allowance; RDA), 1.6 (2×-RDA), and 2.4 (3×-RDA) g kg(-1) d(-1) for 31 d. A 10-d weight-maintenance (WM) period w...
BACKGROUND Serum 25-hydroxyvitamin D (25-[OH]D) is considered the best biomarker of clinical vitamin D status. OBJECTIVE To determine the effect of increasing oral doses of vitamin D(3) on serum 25-(OH)D and serum parathyroid hormone (PTH) levels in postmenopausal white women with vitamin D insufficiency (defined as a 25-[OH]D level ≤50 nmol/L) in the presence of adequate calcium intake. Thes...
Iodine is an essential nutrient. An adequate intake of iodine is required for the production of thyroid hormones. The term iodine excess is used in this profile to refer to increases in intake relative to estimated physiological requirements. As a reference point, the chronic dietary intake of iodine in U.S. populations has been estimated to range from approximately 150 to 950 μg/day. Estimates...
Blood levels of ascorbic acid, vitamin A, folic acid, and amino acids were studied in patients at the South Texas Comprehensive Hemophilia Center, San Antonio, TX. The mean plasma ascorbic acid level in hemophiliacs was significantly lower than controls (p less than 0.0001). This was observed despite a dietary ascorbic acid intake in excess of 66% of the Recommended Dietary Allowances (RDA). Ho...
Iodine is an essential nutrient. An adequate intake of iodine is required for the production of thyroid hormones. The term iodine excess is used in this profile to refer to increases in intake relative to estimated physiological requirements. As a reference point, the chronic dietary intake of iodine in U.S. populations has been estimated to range from approximately 150 to 950 μg/day. Estimates...
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