Search Results
Results 751 - 800 of 1021
< 11 12 13 14 15 16 17 18 19 20 21 >
Poste L M - - 1990
Reduction of feed costs is a major concern of poultry producers. However, replacement of components of a corn-soybean diet with a lower-cost alternative requires the assessment not only of poultry performance and carcass characteristics but also of resulting meat quality. A brief overview of research studies, conducted over the past ...
Stacher G - - 1990
1. Meals empty more slowly when they contain fat. 2. This study investigated whether an intragastric fat preload in comparison with a water preload affected gastric emptying of a semisolid meal and antral motor activity, and whether cisapride reversed such effects. 3. Twelve healthy subjects were studied under three conditions ...
Redard C L - - 1990
The ability of guar gum and oat bran to alter postprandial lipemia and lipoprotein composition when added to a test meal (42% total calories as carbohydrate, 16% as protein, and 42% as fat) was examined in six males and six females who consumed both low- (0.4 g) and high- (15.4 ...
King K J - - 1990
Six lactating Holstein cows, fitted with T-type cannulas in the proximal duodenum, were used in a replicated 3 x 3 Latin square design to determine influence of supplemental protein on amino acid profiles of duodenal chyme and plasma. Protein sources were blood meal, corn gluten meal, and cottonseed meal, which ...
Beverly J L - - 1990
Microinjection of the dietary limiting essential amino acid (DLAA) into the prepyriform cortex (PPC) increased intake of a diet having an imbalance among the essential amino acids (imbalanced diet) from 50-55% of baseline, when artificial cerebrospinal fluid (aCSF) was injected, to 70-75% of baseline. The increase in intake of the ...
Yeo C J - - 1990
After a meal, the absorption of water and electrolytes from the jejunal lumen increases. This meal-induced jejunal absorption occurs in jejunal segments out of normal gastrointestinal continuity. The experimental model used 25-cm proximal jejunal Thiry-Vella loops in awake dogs (n = 72 observations) to evaluate the mechanisms involved in meal-induced ...
Traianedes K - - 1990
High-fat diets produce insulin resistance, but it is not known how quickly changes become evident or whether different types of fat produce different responses. The aim of this study was to determine whether a high-fat evening meal affected glucose response to a standard breakfast 12 h later. On six occasions ...
Gould R J - - 1990
The effect of MK-329, a potent, orally active, nonpeptidal cholecystokinin (CCK) antagonist, was measured on the gastric emptying rate of a solid meal in cats. External scintigraphy of cats that had been fed a meal of technetium-99m-(99mTc) labeled rabbit liver and light cream allowed the measurement of the emptying rates ...
Mizuta H - - 1990
Effects of the amount and the composition of meals on gastric emptying and small intestinal transit times of a suspension were investigated in beagle dogs using acetaminophen and salicylazosulfapyridine as markers. Gastric emptying time was affected both by the amount and the composition of a meal; it was prolonged proportionally ...
de Castro J M - - 1990
Alcohol's effects on eating were investigated by paying 92 adult humans to maintain 7-d diaries of everything they ingested, the time of ingestion, their subjective state at the time of ingestion, and the number of people present at the time of ingestion. Total intakes, meal sizes, meal compositions, pre- and ...
Robinson S M - - 1990
The rates of energy expenditure and wholebody protein turnover were determined during a 9-h period in a group of seven men while they received hourly isocaloric meals of high-protein (HP) or high-carbohydrate (HC) content. Their responses to feeding were compared with those to a short period of fasting (15-24 h). ...
Block K P - - 1990
Effects of feeding frequency on liver branched-chain alpha-keto acid dehydrogenase (BCKAD) activity are unknown. In the present study, rats were trained to consume their daily allotment of food in 6 h (meal-feeding). Rats were fed diets containing 0, 9, 25 or 50% casein and after 10 d were killed before ...
Gupta S K - - 1990
The pharmacokinetics of cyclosporine were studied in healthy subjects following administration of cyclosporine both orally (10 mg kg-1) and intravenously (4 mg kg-1) without and with high fat meals. Both blood and plasma samples (separated at 37 degrees C) were analyzed for cyclosporine concentration. Blood and plasma clearances of cyclosporine ...
Gregory P C - - 1990
The aims of the present study were to compare the gastric emptying of dry matter (DM) and liquids during the feeding period with that following meal consumption, to clarify the relationship between feeding and gastric emptying, and to investigate how gastric emptying changes in growing animals. The studies were performed ...
Kinabo J L - - 1990
The effect of meal composition and energy content on the thermic effect of food (TEF) was investigated in sixteen adult, non-obese female subjects. Each subject consumed four different test meals, each meal on a different day. Meals were of high-carbohydrate-low-fat (HCLF) with 0.70, 0.19 and 0.11 of the energy content ...
Stockinger Z - - 1990
Rats maintained on a LF diet (Purina chow) were pretreated with 0.3 M/kg 2-mercaptoacetate, an antagonist of B-oxidation of fatty acids, 60 min before sham feeding condensed milk with open gastric cannulas. 2-Mercaptoacetate significantly increased 30-min milk intake by about 35%. This suggests that blockade of fatty acid oxidation 1) ...
Landis K M - - 1990
Five crossbred beef steers (329 kg) were used in a 5 x 5 Latin square experiment with 14-d periods to determine the effects of supplementation with high-nitrogen (N) feeds alone or mixed with tallow on sites of digestion with a basal diet of bermudagrass hay. Hay was 1.93% nitrogen, 75% ...
Aletor V A - - 1990
In a five-week feeding trial, 90 broiler chicks were used to study the response of serum and liver alanine aminotransferase (ALT) aspartate aminotransferase (AST), sorbitol dehydrogenase (SDH) and alkaline phosphatase following the replacement of varying levels (0, 20, 40, 60, 80 and 100 per cent) of fishmeal protein by soyabean ...
Kinabo J L - - 1990
The effect of meal frequency on the thermic effect of food (TEF), also referred to as dietary induced thermogenesis (DIT), was investigated in eighteen non-obese female subjects. Their metabolic rate before and after consuming the test meal was measured by open circuit indirect calorimetry using the Douglas bag technique, while ...
Case L P - - 1990
The protein requirement of Pointer pups fed practical diets was assessed in 3 experiments. Eight-week-old pups required 25.2% protein when fed a combination of corn gluten meal, soybean meal, and meat and bone meal for 2 weeks. However, when a poor-quality poultry by-product meal was substituted for some of the ...
Roland J - - 1990
Radionuclide gastric emptying studies are performed in clinical routine but the possible influence of the mental state of the patient is never taken into account. We wanted to evaluate the effect of a mild psychological stress on solid phase gastric emptying in healthy young male volunteers. The standard meal consisted ...
Giammanco S - - 1990
The content of tryptophan in a precooked corn meal and in 4 types of selected corn seeds: Zea mays indurata, identata, opaque/2 and Marano synth., has been determined by three different methods: ion-exchange chromatography, spectrofluorometry and spectrophotometry. This content is very low, less than 0.080% d.w. Alimentation for 4 d ...
Lu C D - - 1990
Use of meat and bone meal for early lactation rations was studied. In Experiment 1, 18 Alpine goats were used in a 15-wk lactation trial. Isonitrogenous and isoenergetic diets were fed (15% CP and 2.3 Mcal/kg metabolizable energy) containing soybean meal, meat and bone meal with urea, or meat and ...
Babatunde G M - - 1990
Thirty-six four-way cross (Chester White X Landrace X Large White X Yorkshire) growing barrows and gilts were used to investigate the effects of replacing graded levels of protein from soybean meal with equivalent levels of protein from rubber seed meal in 16% CP semipurified diets on the performance characteristics, hematocrit, ...
Sepple C P - - 1990
Experiments were carried out in normal volunteers to investigate whether preingestion of lipid reduces food intake. In the first set of experiments, 300 ml beef consomme soup with or without 60 g margarine was fed to each of six volunteers, followed 20 minutes later by either a low fat solid ...
Soper N J - - 1990
The aim of this study was to assess if infusion of oleic acid into the ileal pouch would slow gastric emptying and small-bowel transit, delay defecation, and increase plasma levels of enteroglucagon, neurotensin, or peptide YY in patients with colectomy and ileal pouch-anal anastomosis. Eight subjects with chronic ulcerative colitis ...
Van Amelsvoort J M - - 1990
Healthy male volunteers consumed hot lunches consisting of cooked white rice, fried chicken fillet, raisins, bigarreaus (sweet cherries) and curry sauce with carbohydrate: fat ratios of either 0.77 or 2.04, and polysaccharide: (mono + di)saccharide ratios (P:MD) varying between 5.3 and 0.95. Before and at various time intervals after the ...
Chandrasiri V - - 1990
Soybean may be useful in diets for the prevention of cardiovascular disease and the treatment of type II hyperlipoproteinemia as it lowers blood cholesterol levels. However, unpleasant organoleptic qualities and the presence of antinutritional substances hinder its use. Some of these problems may be partially solved by germinating the seeds ...
Londong W - - 1990
In these prospective studies the influence of two different intragastric positions of electrodes and of four different compositions of standardized meals on 24-hour ambulatory pH recording were compared intraindividually in healthy male subjects. Simultaneous pH monitoring in 12 subjects demonstrated a more pronounced postprandial pH elevation in the fundus body ...
Brown R M - - 1990
1. Six volunteers ingested 74As-labelled arsenobetaine with a fish meal. The retention and distribution of the tracer were studied by body radioactivity measurements. 2. The tracer became rapidly dispersed in soft tissues, with no major concentration in any localized organ or region. 3. In all subjects less than 1% of ...
Gupta S K - - 1990
High-fat meals increase the clearance and volume of distribution, but not the mean residence time, of cyclosporine in seven healthy volunteers when either plasma or blood analyses are used. This unexpected finding for a low-extraction ratio drug should not be explainable in terms of increased blood flow. We hypothesize that ...
Kaiko R F - - 1990
The bioavailability of a single, orally administered, 30-mg controlled-release morphine tablet (MS Contin Tablet; The Purdue Frederick Company, Norwalk, Conn.) was compared after fasting or a high fat meal in this single dose, randomized, crossover study involving 24 healthy male subjects. There was no significant (p greater than 0.05) difference ...
Hughes G S - - 1989
The effects of alteration of gastric pH and food on the pharmacokinetics of 200 mg doses of cefpodoxime proxetil tablets were studied in two separate randomized, open label, crossover studies in healthy subjects. In the pH study (n = 17 subjects), there was a lead-in period done under fasting conditions, ...
Swart G R - - 1989
OBJECTIVE: To assess whether a late evening meal would improve nitrogen balance in patients with cirrhosis of the liver. DESIGN: Randomised crossover study of meal schedules comparing three meals a day with four or six meals a day, the four and six meal schedules both including a late evening meal ...
Walter-Sack I E - - 1989
The influence of two liquid formula diets on the systemic availability of paracetamol was investigated in 12 healthy normal volunteers using a liquid and a solid paracetamol dosage form. The diets contained the same balanced amounts, but different patterns of nutrients and different amounts of dietary fiber. Plasma glucose and ...
Kopinski J S - - 1989
Six pigs (initial weight 30 kg) were fitted with T-shaped cannulas in the ileum, 0.3 m from the ileocaecal junction. Each pig was given each of seven diets for a 10 d period. The diets contained wheat (var. Banks and Egret), barley, sorghum, meat meal, soya-bean meal or casein as ...
Mäntysaari P E - - 1989
Eighty primiparous cows were assigned to either soybean meal, fish meal, or A and B treatments. Commercial supplement A was a blend of meat and bone, meat, poultry, blood, and feather meals. Commercial supplement B included the same ingredients as A but had a higher amount of blood meal and ...
Hoover W H - - 1989
Effects of various forms of fish meal on microbial metabolism were investigated in continuous cultures of rumen contents. Five diets were formulated to contain 12% ruminally degradable protein and 47 to 48% nonstructural carbohydrate. Soybean meal was the major protein source in the control diet, whereas in the other four ...
Jenkins D J - - 1989
We studied the effect of increasing the frequency of meals on serum lipid concentrations and carbohydrate tolerance in normal subjects. Seven men were assigned in random order to two metabolically identical diets. One diet consisted of 17 snacks per day (the nibbling diet), and the other of three meals per ...
Masclee A A - - 1989
The present study was undertaken to investigate the role of the gastric phase of fat-induced gallbladder contraction and endogenous cholecystokinin (CCK) secretion in humans. Gallbladder emptying, measured by cholescintigraphy, and endogenous CCK secretion, measured by radioimmunoassay, were studied in healthy subjects after both intragastric and intra-intestinal administration of corn oil. ...
Holness M J - - 1989
Meal-fed rats and rats fed ad libitum had similar rates of hepatic glycogenesis at 60 min after the initiation of re-feeding a chow meal after 22 h starvation, but hepatic PDHa (active form of pyruvate dehydrogenase) activities were 4-fold higher in the meal-fed group. In heart, PDHa activities were 3-fold ...
McCarthy R D RD - - 1989
Four early lactation multiparous Holstein cows were used in a 4 x 4 Latin square to investigate the effects of source of protein (fish meal or soybean meal) and carbohydrate (corn or barley) on ruminal fermentation, flow of nutrients to the small intestine, and animal performance. The treatments, arranged in ...
Becker D J - - 1989
Fatty foods have been identified as precipitating factors in symptomatic gastroesophageal reflux (GER). A fat meal has also been found to decrease lower esophageal sphincter pressure (LESP) in normal subjects. We used the ambulatory 24-h pH monitor to assess esophageal acid exposure in 10 normal subjects and 10 GER patients ...
Jimenez D A - - 1989
Yearling Holstein bulls were fed a corn silage ration supplemented with either cottonseed meal with gossypol or soybean meal in two trials to evaluate the effect of feeding gossypol on reproductive characteristics. In Trial 1, roughage to concentrate ratio was 88:12 and was fed for 60 d. In Trial 2, ...
Cohen J C - - 1989
The effects of protein ingestion on postprandial lipaemia and intravenous fat tolerance were examined in 15 normolipidaemic young men and women. Mean postprandial lipaemia was similar after meals containing 100 ml dairy cream (containing 40 g fat) and after meals containing 100 ml dairy cream and 23 g protein (in ...
Waltz D M - - 1989
Four lactating cows fitted with ruminal cannulae and T-type cannulae in the proximal duodenum and terminal ileum were utilized to measure protein degradation in the rumen and amino acid flow to and absorption from the small intestine. Soybean meal, blood meal, feather meal, and a 50-50 combination of blood meal ...
Velchik M G - - 1989
Gastric emptying (GE) has been reported to be influenced by meal weight (grams) and composition (% carbohydrate:protein:fat) but the effect of meal energy content (kcal) on gastric emptying, independent of composition, has not been thoroughly investigated by scintigraphic techniques. In order to determine the effect of caloric content on GE, ...
Bas F J - - 1989
A dual flow continuous culture system was used to determine the effects of four protein sources (soybean meal, Ca-ligno-sulfonate treated-soybean meal, blood meal, and feather meal), supplied individually or in combination in diets composed predominantly of alkaline hydrogen peroxide-treated wheat straw, on ruminal microbial fermentation and amino acid flow. Diets ...
Hopert R - - 1989
Evidence from animal experiments suggests that intraduodenal infusion of nutrients leads to an inhibition of gastric acid secretion via an enterogastric feedback mechanism. Detailed data are lacking, however, on the difference in circadian gastric acidity between gastric and intraduodenal alimentation in man. We conducted a randomized study in 10 healthy ...
Prabhakar E - - 1989
On gustation/intubation of nutritive sucrose or glucose solution, both ad lib and meal-time rats reduced their subsequent 1 hr calorie intake via stock diet. But gustation/intubation of calorically-inert water had no effect on 1 hr calorie intake of either group of rats. In contrast, on tasting calorically-inert but sweet saccharin, ...
< 11 12 13 14 15 16 17 18 19 20 21 >