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Results 501 - 548 of 548
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Ortolani C - - 1983
Twenty-four adult patients with adverse reactions to foods and food additives took part in a double-blind crossover study to compare the efficacy of oral sodium cromoglycate, 1600 mg daily, with placebo. Duration of treatment was eight weeks. There were statistically significant differences (p less than 0.01) in favor of active ...
Ipata P L - - 1983
In this paper we show that phosphoribomutase is induced in Bacillus cereus by the same metabolizable purine and pyrimidine ribonucleosides previously shown to induce the purine nucleoside phosphorylase (Tozzi, M.G., Sgarrella, F. and Ipata, P.L. (1981) Biochim. Biophys. Acta 678, 460-466). The mutase allows ribose 1-phosphate formed from nucleosides to ...
Hurrell R F - - 1983
Protein is perhaps the most reactive of the major food components. During food processing, the essential amino acids, lysine, tryptophan, methionine and cyst(e)ine, may react with other food components causing a loss in amino acid bioavailability and sometimes a reduction in the digestibility of the whole protein molecule. This review ...
Winton G B - - 1982
Contact urticaria is an immediate wheal response generated by a wide variety of contactants in susceptible individuals. These contactants can be divided into three categories based on their mechanism of action: nonimmunologic, allergic, and unknown. The list of known illicitors of CU is growing rapidly, and the syndrome is being ...
McClenathan D T - - 1982
Intestinal allergic states are common, but so are misconceptions about them. Since cow milk is one of the most common foods to produce an adverse immunologic reaction, it serves here as a prototype of food allergy in general. The mechanism of this reaction and its clinical and laboratory manifestations vary ...
Reimann I - - 1982
Observations of reversibility in the surface depletion of glycosaminoglycans in articular cartilage after experimental surgical operations focussed attention on whether the depletion always leads to osteoarthritis or may be an early nonspecific response of articular cartilage to differing injuries. Histologic sections obtained from the patellae of 42 rabbits were investigated ...
Fries J H - - 1982
Serious sequalae to the ingestion of several foods such as egg, fish and milk--and the lack of profound reactions to chocolate--have been well documented. However, no comparable study exists in regard to peanut, which has long been known to be a patent antigen. This article explores the role of peanut ...
Knoll B - - 1982
Satietin, a potent endogenous anorectic substance separated from human serum, plays a role of a rate limiting satiety signal in the negative feed back of food intake. The selectivity of satietin on some behavioral tests (unconditioned avoidance reaction, one-way as well as two-way conditioning, open field, consolidated conditioned reflex) was ...
Guslandi M - - 1982
Of the various mechanisms proposed to explain the cytoprotective properties of prostaglandins, mucus discharge seems the most probable. Mild irritants capable of eliciting mucus release have also been shown to exert cytoprotection. It is suggested that prostaglandins act as mild irritants of the mucosa and that cytoprotection is a mucosal ...
Mannheim C - - 1982
Internal corrosion in food cans is characterized by metallic dissolution which is an electrochemical reaction. In lacquered cans, corrosion may also cause disruption in the continuity of the lacquer film. These reactions may cause organoleptic changes in the product, loss of vacuum, swelling, and leaking in extreme cases. In some ...
Sakakibara H - - 1981
9-epi-Leucomycin A5 has been obtained from leucomycin A5 (I) by the following reaction sequence. Leucomycin A5 (I) was treated with Collins reagent (CrO3-pyridine) in the presence of water (13%) to provide 9-dehydroleucomycin A5 (II) in 95% yield. The formyl group was internally protected by the reaction of II with acetic ...
Bender A E - - 1981
1. One thousand individuals were asked whether they avoided any foods. Of the 560 replies 33% stated that they avoided one or more foods because they caused 'unpleasant physiological reactions'. 2. Adverse reactions to one of thirteen foods were reported by 1-4% of the respondents and it is suggested that ...
Ruokonen J - - 1981
A short summary of the literature about the cytotoxic leucocyte test was presented. The results of 1824 CLTs involving 23 food allergens were analyzed. Of the foods tested malt, orange, rye, milk, corn, tomato, oats, wheat, brewers yeast and rice were the ten foods giving a reaction most often in ...
Livingstone V H - - 1981
Monosodium glutamate (MSG) is a common and widely used food additive which has been passed as GRAS (generally recognized as safe) by the American Food and Drug Administration. However, it may have a significant adverse effect on certain individuals; the physician must be able to recognize the symptoms of MSG ...
DeAmicis L A - - 1981
The reaction time crossover (redundancy associated deficity) scores of 28 process schizophrenics, selected for the presence of crossover, were correlated with the crossover scores of 53 of their first-degree relatives (one to five relatives for each patient.). The resulting product-moment correlation coefficient was .27 (p < .05), thus lending support ...
Kulp K - - 1981
Staling, as it is applied to bakery foods, is a generic term covering a number of changes that occur in the products during normal storage. Consumers judge staleness by direct perception, which provides a subjective estimate that represents an unconscious integration of many factors. This review will discuss the main ...
Weber A L - - 1981
Reaction of 0.20M orthophosphate with 0.20M N,S-diacetylcysteamine in 0.40M imidazole at pH 7.0 or 8.0 under drying conditions at 50 degree C for 6 days yields pyrophosphate and tripolyphosphate in the presence and absence of 0.10M divalent metal ion. The efficiency of utilization of N,S-diacetylcysteamine in the formation of pyrophosphate ...
Byars N E - - 1980
Adverse reactions to food may, in some cases, be due to IgE-mediated immune reactions to the ingested antigens. A mast cell protector has been shown to protect patients against challenge with food to which they are sensitive. An IgE-mediated intestinal anaphylaxis reaction in the rat has been developed as a ...
Dahl R - - 1980
Patients with "aspirin disease" are often offered a diet devoid not only of food colorants and food preservatives but also of salicylic acid. In patients reacting with bronchial asthma after aspirin ingestion administration of large amounts of sodium salicylate did not elicit any reaction. It is therefore concluded that a ...
Moore B R - - 1979
The principal reactions described in Guthrie and Horton's classic learning monograph appear to have been caused by the mere presence of the experimenters. Neither escape nor food reinforcement is necessary for the establishment of such responses. They are species-typical "greeting" reactions, readily elicited by the sight of human observers.
Baur X - - 1979
A 58-year-old pharmaceutical worker regularly developed asthma and rhinitis when handling bromelain, a purified protease of pineapple (Ananas comosus), at her work-place, where she had been employed for about 10 years. RAST and prick test showed strong positive reactions to bromelain. Both inhalation test with 0.03 mg bromelain and peroral ...
Gerrard J W - - 1979
Thirty-two patients who reacted adversely to foods were given oral cromoglycate and placebo separately for two periods of seven days each. Adverse reactions were prevented by cromoglycate alone in 24. The symptoms responding to cromoglycate affected not only the gastrointestinal tract but also the skeletal, vascular and nervous systems.
Maga J A - - 1979
Furan represent a class of compounds that have been reported in a wide variety of foods. Normally, they result from thermal decomposition reactions, and, as such, are important in foods. They also possess unique sensory properties and, thus, can significantly contribute to food flavor. This review shall attempt to summarize ...
Ninio J - - 1978
We have studied a number of condensation reactions involving ImpU, ImpT, ImpC, ImpA, ImpG, ImpUgG and ImpCpA as activated nucleotide donors and a variety of homo- and hetero-polynucleotides as templates. We did not not obtain any evidence of a template effect with ImpU and ImpT, but observed some condensation of ...
Bock S A - - 1978
In order to extend previous investigations of adverse reactions to foods performed at this institution, 68 children, aged 5 mo to 15 yr, were studied. All subjects reported a history of adverse reaction to ingestion of one or more of the 14 foods under study. Sixteen of 43 subjects, 3 ...
Lott J A - - 1978
Serum alkaline phosphatase estimations by the Selected Method [Clin. Chem. 21, 1988 (1975)] are very sensitive to small errors in the wavelength setting of the spectrophotometer. With a setting error as small as 3 nm, results can be too low by as much as 23%. The product of the reaction, ...
Vaz G A - - 1978
20 subjects with adverse reactions to foods were given oral cromoglycate and placebo separately for seven days each. While on each medication they were given, for four consecutive days, a food to which they were sensitive. Adverse reactions were prevented in 14 subjects. These results suggest that oral cromoglycate is ...
Rao K K - - 1978
An in vitro system containing isolated chloroplasts, ferredoxin and bacterial hydrogenase on illumination evolves H2 and O2 from water. Maximum rate of hydrogen production so far achieved is two litres H2 per g. chlorophyll per h. The rate of H2 evolution per mg chlorophyll is dependent on concentrations of chlorophyll ...
Neuman I - - 1978
Oral administration of 50 mg tartrazine to 122 patients with a variety of allergic disorders caused the following reactions: general weakness, heatwaves, palpitations, blurred vision, rhinorrhoea, feeling of suffocation, pruritus and urticaria. There was activation of the fibrinolytic pathway as shown by reduction of plasminogen with high pre-kallikrein and low ...
Guthertz L S - - 1978
Four miniaturized multiple test systems were compared with tube methodology used to identify Enterobacteriaceae encountered in foods. Identification aids supplied with each system were used to assign names to isolates at the species level. For the 129 strains tested, the Minitek system demonstrated a 96.9 percent agreement with reactions in ...
Hägermark O - - 1977
The itch and erythematous responses induced by intradermal injection of prostaglandin E2 (PGE2), the unstable prostaglandin endoperoxide PGH2 (t1/2 approximately 5 min at 37 degrees C) and the stable endoperoxide analog (15S)-hydroxy-9alpha, 11alpha-(epoxymethano)prosta-5,13-dienoic acid (EPA) were studied in volunteers. The compounds were given alone or in combination with histamine. All ...
Halász P - - 1977
The reactive mercaptide-imidazolium ion-pair at the active site of papain and thiolsubtilisin was alkylated with negatively charged reactants. The reactivities of the two thiolenzymes differ considerably. The iodoacetate reaction is faster by more than 1000 times with papain than with thiolsubtilisin. On the other hand, towards 3-iodopropionate thiolsubtilisin is more ...
Eskin N A - - 1977
A renewed interest in lipoxygenase has led to detailed studies of its isoenzymes, substrate specificity, and the nature of its reaction products. Lipoxygenase is highly specific for cis,cis-1,4-pentadiene systems such as linoleic, linolenic, and arachidonic acid (or ester) and catalyzes the formation of the corresponding hydroperoxides with a cis,-trans-conjugated diene ...
Fragata M - - 1977
The state of chlorophyll a in phosphatidylcholine vesicles was examined. The results indicate that the chlorophylls are present in monomeric form. A kinetic study of chlorophyll reactions with K2S2O8 and piperidine showed that these substances react with the porphyrin rings of pigments located on both vesicle faces, most probably within ...
Schreiber V - - 1977
Male rats were given oestradiol benzoate (1 mg as an aquaeous microcrystal suspension i.m. twice a week), testosterone isobutyrate (0.5 mg as an aquaeous microcrystal suspension i.m. once a week) and dried thyroid (Thyreoidin SPOFA, 0.2% in food), alone or variously combined. Oestradiol raised adenohypophyseal weight, the binding capacity of ...
Labuza T P - - 1977
Non-enzymatic browning is one of the major probles that occurs during the processing and storage of dehydrated and semi-moist foods. One type of browning is the Maillard reaction between reducing sugars and proteins or free amines. This leads to a darkening of color, protein insolubility with subsequent possible nutrition loss ...
Reif-Lehrer L - - 1976
Of those exposed to Chinese restaurant food, our studies indicate that 25% report adverse reactions (Chinese restaurant syndrome (CRS)), presumably to the mono-sodium glutamate (MSG) content. The possible significance of the symptoms is discussed in the light of the known neuroexcitatory activity of MSG. It is suggested that CRS may ...
Ellinger G M - - 1976
Intact methionine residues in proteins were rapidly and precisely determined by measuring methyl thiocyanate released during the reaction with CNBr and separated by g.l.c. Conditions for the reaction and for chromatography on columns of Porapak P-S are described. The recovery of methyl thiocyanate from several methionine derivatives and analogues were ...
Pokorný J - - 1976
Alkanals as carriers of rancid flavour of fat-containing foods were stored in mixtures with nonlipidic substances. The intensity of odour due to alkanals decreased with increasing time of storage, the changes being more pronounced in case of casein than in that of cellulose. Results of sensory tests did not depend ...
Lieberman P - - 1975
The cytotoxic food test was not found to be an accurate method for diagnosing atopic reactions to foods. Claims that the test correlated with other untoward reactions to foods (eg, headache, diarrhea, fatigue) could not be corroborated. The test itself is time-consuming, dependent on subjective interpretation, and inconsistent in results ...
Thakur D P - - 1975
The ovary of Nandus shows chromaffin tissue at different sites below the tunica albuginea, along the ovigerous lamellae and near the oocytes. The tissue can be mistaken for interstitial cells as it shows intense sudanophilia. That it is chromaffin tissue is confirmed by its positive reaction to all the usual ...
Faulborn J - - 1975
With rabbit corneas we did comparative biomicroscopical and histological investigations on material tolerance of the following threads at present used in microsurgery: Barraquer silk (virgin silk), nylon 30 mum (Tübinger nylon), dacron (polyester) 40 mum and plain collagen 7-0. The sutures were implanted into the cornea intra-lamellarly, completely under the ...
Tekitek A - - 1975
Contrary to some previous reports on the absence of biological transmethylation reactions in some insect species, the transfer of the methyl group of methionine-methyl 14C leading to choline and to methylated bases in tRNA was shown in the honeybee Apis mellifica. The addition of antibiotics to the food of the ...
Fahim I - - 1972
1. Inhibition of 5-hydroxytryptamine (5-HT) synthesis by p-chlorphenylalanine protected rabbits pretreated with pargyline from the fatal hyperthermic reaction which occurs on the intravenous injection of pethidine.2. The development of tolerance to morphine did not protect against the fatal pargyline-pethidine hyperpyrexia. Moreover, the injection of nalorphine before or after pethidine conferred ...
Holmes S - - 1994
Adverse reactions to food have long been recognised and concern about food and its components has now reached almost epidemic proportions. However, although intolerance to food and food components is not uncommon, there is a tendency to think that all adverse reactions to food are allergies. It is clear, however, ...
Jevon Phil - - 2008
Anaphylaxis is an acute, severe, hypersensitivity reaction that can lead to asphyxia, cardiovascular collapse and cardiac arrest. This reaction is sudden, severe, and involves the whole body. Common causes include foods such as nuts, shellfish, dairy products and eggs. Non-food causes include bee/wasp stings, latex and drugs, e.g. penicillin. Common ...
MILLMAN M - - 1959
A study was made to determine how well the results of skin tests for sensitivity to various foods agreed with observation of clinical reactions to those foods. Test reactions were divided into several categories-negative, and 1, 2, 3 or 4 plus. Then the strong reactions, that is the 3 and ...
CREDE R H - - 1953
Identical twins with bronchial asthma were studied. One had the first attack of the disease in late adolescence, the other not until he was adult. Both were demonstrated by immunologic means to be sensitive to house dust and certain foods. Yet, of itself, the factor of exposure to a known ...
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