| international outbreak of salmonella eastbourne infection traced to contaminated chocolate. | between dec. 4, 1973, and feb. 15, 1974, 80 cases of infection due to salmonella eastbourne, previously a rare isolated serotype in the united states, were reported from twenty-three states. an additional 39 cases were reported from seven provinces in canada during a similar period. a telephone case-control study implicated christmas-wrapped chocolate balls manufactured by a canadian company as the vehicle of transmission. s. eastbourne was subsequently isolated from several samples of leftover ... | 1975 | 48010 |
| food allergies and migraine. | 60 migraine patients completed elimination diets after a 5-day period of withdrawal from their normal diet. 52 (87%) of these patients had been using oral contraceptive steroids, tobacco, and/or ergotamine for an average of 3 years, 22 years, and 7.4 years respectively. the commonest foods causing reactions were wheat (78%), orange (65%), eggs (45%), tea and coffee (40% each), chocolate and milk (37%) each), beef (35%), and corn, cane sugar, and yeast (33% each). when an average of ten common fo ... | 1979 | 87628 |
| identification and grouping of neisseria meningitidis directly on agar plates by coagglutination with specific antibody-coated protein a-containing staphylococci. | it has been shown that neisseria meningitidis can be grouped by coagglutination directly upon growth on sheep blood or chocolate agar plates. all positive reactions were group specific, and only a single colony was required for a positive reaction. there was variation seen in the effectiveness of commercial antisera in preparing sensitive reagents. certain throat and sputum isolates of group z organisms failed to react by coagglutination, although they would react directly with antiserum in whol ... | 1978 | 96128 |
| [fluorescent antibody technique in identification of neisseria gonorrhoeae-microcolonies grown on membrane filters (author's transl)]. | filter membranes (nucleopore, no. n060, cpr 01300, pore size 0.6 mu) are inoculated with a pure suspension of n. gonorrhoeae or a urethral smear from patients suffering from gonococcal urethritis. the membranes are placed on chocolate agar and incubated for three hours. after fixation in formaldehyd, grown microcolonies of n. gonorrhoea are detected microscopically after incubation of the membranes with a fluorescein-isothiocyanate labeled gonococcal antiserum (difco, charge no. 605907) (fig. 3- ... | 1978 | 99913 |
| [effects of muscimol and diazepam: a comparative study on behavioral inhibiton induced by novelty, punishment, and nonreward (author's transl)]. | diazepam and muscimol, a direct gaba agonist, were compared on behavioral inhibition induced in rats by (1) novelty, (2) punishment, and (3) nonreward. (1) muscimol (0.03--0.25 mg . kg-1 i.p. 30 min before testing, or i.v. immediately before testing) failed to enhance food intake consistently in a nonfamiliar situation and (0.125--0.5 mg . kg-1 i.p. or i.v.) to increase the ingestion of an unknown food (chocolate); (2) muscimol (0.125--0.5 mg . kg-1 i.p. or 0.25 i.v. 10 min before testing) was i ... | 1979 | 108725 |
| pili of neisseria meningitidis: effect of media on maintenance of piliation, characteristics of pili, and colonial morphology. | in contrast to information in the literature which indicates that meningococci rapidly lose pili upon cultivation in vitro, we found that piliation of meningococci could be maintained in vitro for 15 or more passages. pili were present on all eight isolates tested, whether from asymptomatic carriers or from subjects with meningococcal disease. complete loss of piliation occurred in the same two strains on two of the three media tested. on one medium (thayer-martin medium with supplement b), ther ... | 1979 | 110692 |
| comparison of two selective media in the cultural diagnosis of gonorrhoea. | a "chocolate" agar medium (ca-ncv) containing nystatin, colistin and vancomycin, was compared with the mnyc medium which contain lincomycin, colistin, amphotericin and trimethoprim. a total of 277 clinical specimens were cultured for gonococci, and 120 of these showed positive cultures on either or both of the media. the mnyc medium detected 96.6 per cent of the total number of positive cultures and 92.5 per cent of the patients and the ca-ncv medium after 80 and 79 per cent, respectively. nearl ... | 1979 | 120106 |
| editorial: acne, soap and chocolate. | | 1975 | 125375 |
| chocolate: a review of published reports of allergic and other deleterious effects, real or presumed. | although there are specific contraindications to the ingestion of chocolate by selected individuals, these do not apply to the general population with a frequency that is suggested by the pervasive mistrust of chocolate. these contraindications and mistrusts are reviewed. | 1978 | 152075 |
| rapid identification of neisseria gonorrhoeae and neisseria meningitidis by using enzymatic profiles. | the enzymatic profiles of neisseria gonorrhoeae, n. meningitidis, and related species were determined, using a total of 48 chromogenic substrates. enzyme classes assayed for included glycosidases, aminopeptidases, phosphoamidases, proteases, lipases, esterases, and aryl sulfatase. a final test selection of 10 substrates, based upon their differential and reproducible characteristics, allowed the separation of n. gonorrhoeae and n. meningitidis from each other and from all species tested within 4 ... | 1978 | 203607 |
| [the cariogenicity of xylitol in the animal experiment]. | after programmed feeding of rats in a six and eight-week long conventional experiment with increasing concentrations of xylitol, compared to sorbitol, fructose and saccharose, the non-cariogenic nature of xylitol was confirmed. the increasing amounts of xylitol after sorbitol in chocolate diets (up to 30 g/day/rat) led to serious dilatation of the cecum and to changes in the mucosa of cecum and colon when sorbitol was given. examination of plaques of the germ-free rats monoassociated with s. mut ... | 1977 | 266472 |
| [the effect of sorbide on the amount of lactobacillus in the saliva]. | saliva specimens from school children in the children's village of fót were cultured in dentocult medium and the lactobacilli were counted. in addition to their usual food, the children also consumed 20 g of chocolate with either 40% sucrose or sorbitol. the control group was composed of children living in budapest. high lactobacillus counts were observed less frequently in the sorbitol group than in the other groups. there was a positive correlation between the number of lactobacilli in the sal ... | 1979 | 282999 |
| rapid ampicillin susceptibility testing for haemophilus influenzae. | recent isolations of strains of haemophilus influenzae resistant to ampicillin necessitate the development of a rapid, dependable, reproducible method of determining their antibiotic susceptibility. an agar-dilution method permitting susceptibility determinations on clinical specimens within 6-18 hours of specimen collection was designed. chocolate agar biplates were made with one side having no additive and the other containing 2 mug/ml ampicillin. seventy clinical specimens (cerebrospinal flui ... | 1977 | 299794 |
| hemophilus influenzae pneumonia in adults. | hemophilus influenzae pneumonia was diagnosed in 41 adult patients based on cultures of blood, pleural fluid or transtracheal aspirate. bacteremia occurred in all age groups, but was most frequent in patients over the age of 50 years with severe underlying pulmonary disease. chest films usually demonstrated multisegmental or multilobar infiltrates without evidence of cavitation. pleural involvement was evident in half of the patients, although empyema occurred infrequently. mortality was almost ... | 1978 | 304671 |
| effect of tmp-smx on nasopharyngeal carriage of ampicillin-sensitive and ampicillin-resistant hemophilus influenzae type b. | the carriage rate of ampicillin-resistant hemophilus influenzae type b in a chronic care facility was investigated. up to 48% of the children carried this strain. of interest was the finding of simulaneous carriage of ampicillin-resistant and ampicillin-sensitive hitb, a phenomenon which was detected by using both chocolate agar and chocolate agar containing 2 microgram/ml of ampicillin. a trial of sulfamethoxazole-trimethoprin successfully eradicated the ampicillin-sensitive hitb, but had no ef ... | 1978 | 308533 |
| haemophilus influenzae infections in adults: report of nine cases and a review of the literature. | haemophilus influenzae is an aerobic pleomorphic gram-negative coccobacillus that requires both x and v factors for growth. it grows poorly, if at all, on ordinary blood agar unless streaked with staph. aureus. it grows well on chocolate agar. because this medium is often not used in culturing specimens from adults and because the organism may be overgrown by other bacteria, the frequency of h. influenzae infections has undoubtedly been seriously underestimated. this is aggravated by the failure ... | 1979 | 310943 |
| cultivation and isolation of francisella tularensis on selective chocolate agar, as used routinely for the isolation of gonoccocci. | | 1977 | 320819 |
| survival of salmonella eastbourne and salmonella typhimurium in milk chocolate prepared with artificially contaminated milk powder. | milk chocolate mass containing salmonellas was prepared by mixing artificially contaminated milk powder with the other ingredients at a temperature of about 40 degrees c. from this mass bars were made. two series were prepared, with s. eastbourne and s. typhimurium respectively. the number of surviving salmonellas was counted after various periods of storage, up to 19 months. s. eastbourne was reduced in numbers during 19 months from an initial count of ca. 3 x 10(4) to ca. 3 x 10(2) per 100 g o ... | 1977 | 336788 |
| comparison of specimen collection and laboratory techniques for isolation of haemophilus ducreyi. | sixteen patients with clinical chancroid were studied prospectively; different culture media and sampling techniques from genital lesions were evaluated. technique a was aspiration of a saline wash from the ulcer which was pooled and inoculated into rabbit blood, rabbit blood + vancomycin (5 microgram/ml), and semisolid chocolate agar + vancomycin (3 microgram/ml). each primary culture medium was subcultured to chocolate agar with 1% isovitalex (ca), ca with vancomycin (3 microgram/ml) plus poly ... | 1978 | 342538 |
| determination of the hemin requirement of haemophilus ducreyi: evaluation of the porphyrin test and media used in the satellite growth test. | gonococcal (gc) agar supplemented with glucose and glutamine was found to be superior to eugonagar and trypticase soy agar in demonstrating the hemin requirement of 23 strains of haemophilus ducreyi by the satellite growth test. the porphyrin test confirmed the requirement for exogenous hematin. with the agar dilution technique, using supplemented gc agar, the hemin concentration required to initiate growth was 10 microgram/ml, and the optimal hemin concentration to produce growth equivalent to ... | 1978 | 348716 |
| rapid in vitro capsule production by cryptococci. | four agar media (blood, corn meal, chocolate, and sabouraud's) and four liquid media (brain-heart infusion broth, one percent peptone broth, pooled human serum, and lyophilized rabbit coagulase plasma) were evaluated for their ability to enhance the production of capsules from four strains of cryptococcus yeast within 48 hours at 25c and 35c. the yeast in serum and plasma was washed with distilled water prior to india ink preparation in order to prevent precipitation of the ink. the rabbit coagu ... | 1979 | 382848 |
| iron poisoning: assessment of radiography in diagnosis and management. | severe acute iron poisoning developed in a 1 1/2-year-old child who had eaten an iron preparation that resembles a popular chocolate candy. tablets containing iron, with and without vitamins, and the sugar-coated candy of similar appearance, were radiographed with human gastric juice in vitro. times of dissolution of the radiopaque tablets were noted, to assess the value of abdominal radiographs in the diagnosis and management of acute iron poisoning. | 1979 | 477172 |
| screening method for vitamins a and d in fortified skim milk, chocolate milk, and vitamin d liquid concentrates. | vitamin a was determined in fortified chocolate milk and skim milk; vitamin d was determined in fortified chocolate milk, skim milk, and vitamin d concentrates, using reverse phase high pressure liquid chromatography (hplc). the sample is saponified, extracted with hexane, and chromatographed in an hplc system on a 10 micron vydac tp reverse phase c18 column, using acetonitrile-methanol (9+1) as the mobile phase. for 6 replicates, the recoveries of vitamins a and d, using this procedure, were 99 ... | 1979 | 521421 |
| growth, survival, and resistance of the legionnaires' disease bacterium. | the legionnaires' disease (ld) bacterium can now be readily cultured on artificial media. studies were done to define the growth and survival of the ld bacterium in these media and ascertain its susceptibility to disinfecting agents. growth-curve studies of the philadelphia 1 strain using mueller-hinton broth with ferric pyrophosphate and l-cysteine (feeley-gorman broth) showed a lag phase of less than 24 h, a generation time of 3.8 h during the logarithmic phase, a plateau of 2 x 10(7) organism ... | 1979 | 571258 |
| epidemic yersinia enterocolitica infection due to contaminated chocolate milk. | in september and october, 1976, an outbreak of illness due to chocolate milk contaminated with yersinia enterocolitica resulted in hospitalization of 36 children, 16 of whom had appendectomies. infection with y. enterocolitica serotype 0:8 was demonstrated in 38 ill persons. sixty-one per cent of the persons who were infected had a titer greater than 1:160 oh agglutinins to serotype 8 yersinia, whereas 48 per cent of the hospitalized children had a fourfold change in agglutinin titer. an epidemi ... | 1978 | 579433 |
| short-term toxicity study of chocolate brown ht in pigs. | chocolate brown ht was given in the diet to groups of 3 male and 3 female pigs at dose levels of 0 (control), 5, 20 or 100 mg/kg/day for 13 weeks. no adverse effects were seen on body weight gain, urine composition of the incidence of histopathological lesions. the haemoglobin levels in all 3 treatment groups of male pigs at week 13 were significantly below the control values, but this effect was not considered to be attributable to treatment with chocolate brown ht. the no-untoward-effect level ... | 1978 | 715802 |
| food sensitivity reported by patients with asthma and hay fever. a relationship between food sensitivity and birch pollen-allergy and between food sensitivity and acetylsalicylic acid intolerance. | among adult patients with bronchial asthma and/or allergic rhinitis undergoing allergological investigation with skin test, nasal provocation test and rast, 1129 answered a questionaire regarding food sensitivity (fs). 276 (24%) of the patients reported some kind of allergic symptoms on eating or handling various foods, of which hazel nut, apple and shell fish were the most often named. females reported fs more often than males. a correlation was found between birch pollen allergy and fs with nu ... | 1978 | 717703 |
| long-term toxicity studies on chocolate brown ht in rats. | groups of 48 males and 48 female rats were given diets containing 0 (control), 500, 2000 or 10,000 ppm chocolate brown ht for 2 years. these treatments had no adverse effect on mortality, body-weight gain, food or water consumption, haematology, renal function, serum constituents, organ weight or histopathology. from the incidence of tumours observed in the control and test animals it is concluded that chocolate brown ht did not exert any carcinogenic effect and that the no-untoward-effect level ... | 1978 | 734686 |
| [on the phenotypical characteristics of haemophilus isolates from human respiratory tract (author's transl)]. | 50 strains of hemophilic bacteria from the human upper respiratory tract were studied using morphological, physiological, and biochemical features including respiratory quinones. the isolates were associated with the conventional species haemophilus influenzae, h. parainfluenzae and h. aegyptius. they were grouped into the proposed biovarieties of the influenzae- and parainfluenzae-groups according to kilian's classification. the heterogeneous group of aegyptius-strains was not classified in det ... | 1978 | 749417 |
| cytotoxic testing for food allergy: evaluation of reproducibility and correlation. | cytotoxic food tests still present conflicting opinions concerning their validity. nine atopic patients with or without a history of food allergy were studied along with 5 nonatopic patients. all tests were conducted in a double-blind fashion with 6 determinations for each of 10 food antigens. reproducibility of the test (5/6 positive or negative) was demonstrated with wheat, milk, yeast, chocolate, and orange. in the nonatopic group, reproducible results were obtained for wheat, egg, yeast, cho ... | 1976 | 787048 |
| superiority of amphotericin over nystatin in thayer-martin medium. | vaginal and cervical specimens taken for the detection of gonorrhea frequently contain candida albicans. thayer-martin medium containing nystatin (vctn) is unsatisfactory because nystatin fails to selectively inhibit c. albicans. thayer-martin medium containing no nystatin was prepared with varying concentrations of amphotericin (vcta) added, and this latter medium was compared with vctn for its ability to selectively inhibit varying numbers of c. albicans. the effect of amphotericin on the reco ... | 1975 | 807158 |
| characteristics of atypical neisseria gonorrhoeae from disseminated and localized infections. | approximately 6% of 1,200 clinical isolates of neisseria gonorrhoeae were atypical because they produced smaller than normal colonies on conventioal chocolate agar and fermented glucose weakly. auxotyping studies indicated that these atypical strains required for growth arginine, uracil, and, in most instances, hypoxanthine. in addition, all of them were susceptible to 0.02 u of penicillin/ml. none of the normal colony isolates, including those susceptible to the same low concentration of penici ... | 1976 | 818027 |
| the effect of vaginal lubricants on neisseria gonorrhoeae. | the possible interference of vaginal lubricants in culture diagnosis of gonorrhea was investigated by studying in vitro effect of selected lubricants on neisseria gonorrhoeae. two lubricants widely used in family planning and other clinics were demonstrated to have a bactericidal effect on n. gonorrhoeae when tested with more than one method. gonococci were killed on contact with lubrifoam, even at a 10 per cent concentration, and an exposure time as short as one minute was sufficient to inhibit ... | 1976 | 822721 |
| [food value of the spiruline algae to man]. | the acceptability of various culinary products based on the algae spirulina was tested by questionaire: formulas rich in proteins, soups, omelets, desserts. spirulina are little appreciated in france due to offensive color, smell and taste. tomato and chocolate are the most acceptable flavors. lyophilisation is preferable to atomisation, and discoloration using alcohol is preferable to the acetone method. the hydrolysate obtained, having neither the smell nor the taste of algae, is excellent. ni ... | 1975 | 824995 |
| unidentified gram-negative rod infection. a new disease of man. | a gram-negative bacillus that defies identification was isolated from blood cultures of 17 patients with fever. fifteen patients were male adults, and 14 patients had underlying diseases, including previous splenectomy in five, which impair host defenses against infection. illnesses occurred in the summer and autumn in 14 cases and had been recently preceded by dog bites in 10 cases. clincal syndromes included cellulitis in seven cases, primary bacteremia without localization in four, purulent m ... | 1977 | 835907 |
| haemophilus parainfluenzae infective endocarditis. | seven young to middle-aged patients with haemophilus parainfluenzae endocarditis are reported. three patients had underlying heart disease and three patients had recent events predisposing for endocarditis. the clinical presentation was subacute or acute and new pathologic murmurs were uncommon. diagnosis was prolonged because of difficulties in isolating the organism. routine subculturing of blood cultures to chocolate agar with incubation in co2 is recommended. a prominent complication, occurr ... | 1977 | 846391 |
| breast milk distribution of theobromine from chocolate. | six nursing mothers ingested 113 gm of hershey's milk chocolate containing 240 mg of theobromine. samples of plasma, saliva, and breast milk were assayed for theobromine by high pressure liquid chromatography. peak theobromine concentrations of 3.7 to 8.2 mg/l were found in all fluids at 2 to 3 hour after ingestion of chocolate. the disposition half-life of theobromine averaged 7.1 +/- 2.1 hours, body clearance was 65 +/- 20 ml/hour/kilogram, and the apparent volume of distribution was 0.62 +/- ... | 1977 | 894424 |
| food allergy: the 10 common offenders. | the 10 chief offenders among food allergens are cow's milk, chocolate and cola (the kola nut family), corn, eggs, the pea family (chiefly peanut, which is not a nut), citrus fruits, tomato, wheat and other small grains, cinnamon and artificial food colors. food allergy results in a remarkable variety of clinical syndromes. diagnois rests on an elimination and challenge process. treatment is avoidance. desensitization does not work. | 1976 | 946156 |
| tail pinch-induced arousal and stimulus-bound behavior in rats with lateral hypothalamic lesions. further evaluation of hypothalamic control of feeding and drinking. | arousal induced by tail pinching results in stimulus-bound feeding, licking and gnawing in male rats during the aphagic and adipsic phase that follows electrolytic damage to the lateral hypothalamus (lh). such stimulus-bound behavior is very similar to electrically induced stimulus-bound behavior. furthermore, brain-damaged animals during tail pinch-induced drinking trials are responsive to the sensory properties of the test liquid. chocolate milk is consumed but tap water is actively rejected. ... | 1976 | 990906 |
| short-term toxicity of chocolate brown fb in pigs. | | 1976 | 1010511 |
| [the bacteriological diagnosis of vibrio fetus infection in man (author's transl)]. | a synopsis of the present classification of vibrio fetus is given (tab. 1, 2). besides the presentation of the importance of these bacteria in veterinary medicine, 97 human infections have been published up to now. the geographic, age and sex distribution of these cases and the material out of which the pathogens were isolated is presented (tab. 3, 4). the clinical picture is summarized. for the culture of vibrio fetus liver broth as described by tarozzi incubated for at least 3-4 days was suita ... | 1975 | 1041142 |
| [effect of sugar-exchange fructose, sorbitol and xylitol on the incidence of caries anddental plaque flora of the rat]. | the cariogenicity of fructose, sorbitol, and xylite in chocolate bars as against that of sucrose was tested by ad libitum and programmed feeding of rats. after both types of feeding, the sucrose-containing feed showed the strongest cariogenicity and the xylite-containing feed the weakest cariogenicity. at the end of the test, s.mutans bacteria were found most frequently in the dental plaques of the sucrose animals, while it was not possible to demonstrate the existence of such germs in the xylit ... | 1975 | 1056308 |
| [the cariogenicity of xylitol-decomposing bacteria in a gnotobiotic study]. | in gnotobiotic tests in rats, two xylite-degrading streptococcal strains were tested with regard to their cariogenic properties. one strain was isolated from human dental plaque, the other from the oral cavity of rats. the test animals were associated with the test strains only, and received a saccharose, fructose or xylite chocolate diet for 12 weeks. at the end of the test, between 10(4) and 10(5) inoculated germs were found in the plaque of the test animals. the total caries incidence in the ... | 1976 | 1060559 |
| spheroplasts of haemophilus influenzae induced by cell wall-active antibiotics and their effect upon the interpretation of susceptibility tests. | the interpretation of in vitro susceptibility tests of haemophilus influenzae performed by the agar or broth dilution methods with levinthal enrichment was found to be markedly influenced by the production of spheroplasts by this species. using an inoculum of 10(7) organisms/ml, this phenomenon was frequently evident macroscopically as a haziness on agar substrates and in broths containing cell wall-acting agents, such as ampicillin, cephalothin, and penicillin, but was not noted with chloramphe ... | 1976 | 1083711 |
| survival of salmonella east bourne and salmonella typhimurium in chocolate. | experiments were carried out to assess the reduction rate of two salmonella strains (s. eastbourne and s. typhimurium) in chocolate bars. after artificial contamination of chocolate, after 'conching', with about 10(6) s. eastbourne/g. this organism was still recovered after 9 months storage. the strain of s. typhimurium was less resistant. both serotypes died off more rapidly in bitter chocolate than in milk chocolate. after contamination with a smaller dose (about 10(3)/g.) with these two serot ... | 1976 | 1107412 |
| toxigenic fungi in food. | forty-five fungal isolates from moldy supermarket foods were tested for toxicity to brine shrimp, and twenty-two of these isolates were subsequently tested for toxicity to chicken embryos. highly toxigenic fungi were cladosporium sphaerospermum from a bakery product, fusarium oxysporum from carrots, f. solani from cabbage, aspergillus niger and penicillium corylophilum from bread, p. cyclopium and p. herguei from corn meal, p. lanosum from onions,p. steckii from chocolate syrup, penicillium sp. ... | 1975 | 1147614 |
| gas-liquid chromatographic determination of total cholesterol in multicomponent foods. | a method is described for the determination of total cholesterol in multicomponent foods and also other products such as nonfat dry milk, dried whole egg solids, and certain candy bars. the lipid is extracted from the sample by a mixed solvent and saponified. the unsaponifiable fraction which contains the cholesterol and other sterols is extracted with benzene. an aliquot is evaporated to dryness and the residue is dissolved in dimethylformamide. the sterols are derivatized to form trimethylsily ... | 1975 | 1173811 |
| detection of fungi in blood cultures. | in a retrospective study covering the period january 1972 to june 1974, recovery rates of bacteria and of fungi were generally equivalent with tryptic soy broth, thiol, thioglycolate, and columbia broth media (all under vacuum with carbon dioxide and sodium polyanetholesulfonate). an additional biphasic medium consisting of brain heart infusion broth and a brain heart infusion agar slant, which was inoculated only where fungal sepsis was suspected clinically, yielded significantly higher recover ... | 1975 | 1176606 |
| olfactory basis for the delayed onset of maternal behavior in virgin female rats: experimential effects. | a previous study showed that intranasal zinc sulfate (znso4) treatment shortens the latencies for the onset of maternal behavior in nonpregnant rats. the aim of this study was to see whether after recovery from the effects of znso4 treatment, the latencies for maternal behavior increased. in experiment 1 nonpregnant females were intranasally infused with znso4 or air or were left untreated and exposed to pups starting 48 hr later. olfactory discrimination tests using chocolate bits were done sim ... | 1975 | 1176666 |
| asymptomatic bacteriuria, bacteremia, and other infections due to nsu corynebacteria. | by means of the new medium, nonspecific urethritis (nsu) chocolate agar, nsu corymebacteria were isolated from patients with asymptomatic bacteriuria, bacteremia, cervicitis, conjuctivitis, and pericarditis, and also with bone marrow, wound, and cul-de-sac infections. the nsu corynebacteria were considered the etiologic agents. on the basis of biochemical reactions, antibiotic sensitivity, and complement fixation tests some isolates were the same microorganisms. both patients with conjunctivitis ... | 1975 | 1193819 |
| scanning electron microscopy in the investigation of bite marks in foodstuffs. | the purpose of the present study was to assess the value of utilizing sem in the examination of bite marks in foodstuffs. six students, whose front teeth showed no conspicuous irregularities, were asked to bite off a part of some selected foodstuff consisting of butter, cheese, norwegian brown sweet cheese, apples, carrots, bananas, chocolate and chewing gum. the texture and the varying stickiness of the foodstuffs seemed to be of significance as far as the details of the bite marks were concern ... | 1975 | 1225779 |
| the lower esophageal sphincter. physiologic and clinical aspects. | current concepts in physiology and pathophysiology of lower esophageal sphincteric mechanism are reviewed. with recent advances in manometric method for more accurate in-vivo human studies combined with in-vivo and in-vitro studies in animal models, there is much information regarding function of this sphincter. three components of sphincter control have been identified: specialized circular smooth muscle at esophagogastric junction, autonomic nervous system, and probable physiology effects of g ... | 1975 | 1236715 |
| effects of long-term laxative treatment on neuropeptides in rat mesenteric vessels and caecum. | in order to investigate the toxic effects of long-term treatment with anthraquinone laxatives, rats were fed either chocolate alone, or chocolate adulterated with senna or danthron (1,8-dihydroxyanthraquinone) for 5 months. mesenteric blood vessels and the outer muscle layers of the caecum, together with the myenteric plexus, were examined using ultrastructural, histochemical, immunohistochemical and immunoassay techniques. there was no ultrastructural evidence of degeneration in either the mese ... | 1992 | 1280681 |
| [chronic corynebacterium endophthalmitis. apropos of 3 cases]. | only a few isolated cases of endophthalmitis have corynebacterium been implicated as etiology. this diphtheroid, which has been considered for a long time as a nonpathogenic contaminant from the conjunctival flora, may produce systemic diseases usually in immuno-deficient patients. keratitis and endophthalmitis cases have been reported in the literature. we report three cases of chronic endophthalmitis after extracapsular extraction with intraocular chamber posterior lens which are characterized ... | 1992 | 1294592 |
| [clinical considerations on 2 cases of hepatic fascioliasis. importance of the imaging examinations]. | two cases of hepatic human fascioliasis, both with antecedents of eating watercress, hepatobiliary symptoms and high eosinophilia are described. in the first one (42 year-old male), at the beginning the abdominal ecotomographical and computed tomography images suggested an hepatic tumor, but afterwards, the finding of fasciola hepatica ova in feces and the observation of numerous typical images of the fluke in the choledochus by means of an endoscopic cholangiography, plus lesions related to a l ... | 1992 | 1307002 |
| multiple organ failure with the adult respiratory distress syndrome in homicidal arsenic poisoning. | a 30-year-old man and a 39-year-old woman, who was 28 weeks pregnant, were simultaneously poisoned by eating chocolate containing arsenic trioxide. they developed a picture of multiple organ failure peaking around the 8th to 10th day after ingestion, with the development of life-threatening adult respiratory distress syndrome (ards) in both patients. this rarely reported complication of arsenic poisoning was managed successfully by intubation and mechanical ventilation with positive end expirato ... | 1992 | 1315982 |
| [migraine as one of the symptoms of food allergy]. | a role of nutrients in the onset of migraine and other gastrointestinal symptoms (vomiting, nausea, diarrhoea), skin reactions (rush, atopic dermatitis, quincke'a edema), respiratory symptoms (bronchial asthma, cough, allergic rhinitis, polyps, congestion of the nasal mucosa), motion system disorders (jointache and edema), gynecological disorders (chronic and recurrent adnexitis), and sleep disorders together with emotional tension and behavioral disturbances has been assessed in 17 patients wit ... | 1992 | 1359512 |
| optimum use of selective plated media in primary processing of respiratory tract specimens from patients with cystic fibrosis. | a total of 258 respiratory tract specimens from patients with cystic fibrosis were inoculated onto nine different plated media, and the rates of recovery of potential pathogens were compared. media included sheep blood agar, enriched chocolate agar, macconkey agar for gram-negative bacilli, chocolate agar containing bacitracin for haemophilus spp., bromcresol green agar for yeasts, cetrimide agar for pseudomonas spp., sheep blood agar containing colistin and nalidixic acid for gram-positive cocc ... | 1992 | 1400978 |
| noncariogenicity of erythritol as a substrate. | erythritol is a sugar alcohol produced by aureobasidium sp. from glucose. it is 75-80% as sweet as sucrose and is also nonhygroscopic. the aim of this study was to evaluate this sugar substitute from a cariological point of view. erythritol was neither utilized as a substrate for the lactic acid production nor for plaque formation of mutans streptococci (serotypes a-h) and certain oral microorganisms. it was not utilized for water-insoluble glucan synthesis or cellular adherence by glucosyltrans ... | 1992 | 1468100 |
| serotonin, carbohydrates, and atypical depression. | at least three categories of atypical depression have been described. the hysteroid dysphoria is characterized by repeated episodes of depressed mood in response to feeling rejected, and a craving for sweets and chocolate. two other issues are characterized by a cyclical occurrence of changes of mood and appetite, i.e., the late luteal phase dysphoric disorder (dsm-iii-r, appendix), or "the premenstrual syndrome" (pms), and the major depression with seasonal pattern (dsm-iii-r), or seasonal affe ... | 1992 | 1480561 |
| laboratory and clinical evaluations of media for the primary isolation of haemophilus species. | there has not previously been an objective comparison of medium formulations for the primary isolation of haemophilus species. this study was undertaken to evaluate the components required for the optimal growth of large, easily identifiable colonies of these bacteria. we compared six medium bases and seven supplements for their ability to support the growth of 86 strains of haemophilus influenzae and 17 strains of other species of haemophilus. by using a growth index that combines colony size a ... | 1992 | 1500494 |
| microbial contamination in two antimicrobial and four control brands of alginate impression material. | previous investigations have revealed commercial alginate impression material to be contaminated with viable microorganisms. some manufacturers are now producing alginate materials that contain antimicrobial agents. the purpose of this study was to test and compare two antimicrobial and four control brands without antimicrobial agents of commercial dental alginate impression material for the presence of viable microorganisms. forty-eight or 96 measured samples of each brand were taken from previ ... | 1992 | 1507139 |
| food aversions: taste reactivity responses elicited by lithium-paired food. | the taste reactivity (tr) test was employed to measure the orofacial, somatic and consummatory crs elicited by a lithium-paired food. hungry rats were presented chocolate chips followed immediately by an injection of lithium chloride (cs+ group) or saline (csc group). during the tr test, the rats' behavioral responses to the chocolate chips were videorecorded. the results demonstrated that rats in the cs+ group did not consume the lithium-paired food, but demonstrated the aversive tr response pa ... | 1992 | 1539074 |
| viability of actinobacillus pleuropneumoniae in frozen pig lung samples and comparison of different methods of direct diagnosis in fresh samples. | a comparative study on different methods of diagnosis of actinobacillus pleuropneumoniae from both fresh and frozen pig lungs is described. a total of 196 lung tissues with pneumonic lesions were examined for culture isolation on chocolate blood agar, as well as for antigen detection by means of the coagglutination test, the immunodiffusion test and the indirect elisa. these samples were subsequently frozen for 1 yr and then they were recultured. a. pleuropneumoniae was recovered from fresh lung ... | 1992 | 1563263 |
| benzocaine-adultered street cocaine in association with methemoglobinemia. | a 27-year-old man with a history of cocaine abuse ingested a large quantity of street cocaine in an apparent suicide attempt. shortly thereafter, he developed tonic-clonic seizures and became cyanotic. an arterial blood gas sample, collected in the emergency department, appeared chocolate-brown and showed po2 279 mmhg, pco2 53 mmhg, and ph 7.15. hemoglobin spectral analysis revealed significant methemoglobinemia (37%). subsequent gas-chromatographic and mass-spectral analysis of urine confirmed ... | 1992 | 1568334 |
| evaluation of different solid media used for cultivation of helicobacter (campylobacter) pylori. | the ability of nine blood containing media to support the growth of h. pylori was compared. eighteen strains of h. pylori isolated from antral biopsies were cultivated in two dilutions, for colony counts on the media to be tested. columbia base chocolate agar without additives was found to be the best medium for growth of h. pylori. however, all other fresh blood containing media also supported the growth of this organism satisfactorily. | 1992 | 1577515 |
| effects of eltoprazine hydrochloride on reactivity to conspecific or novel odors and activity. | treatment with eltoprazine (du 28853) increased the number of entries by male mice into compartments containing the odors of male and female conspecifics. this effect was most pronounced when odors were provided by previously defeated males. in contrast, the drug had no effect upon responsiveness to the odors of cinnamon and chocolate. the results suggest that eltoprazine may selectively increase reactivity to conspecific odors and that this effect is further enhanced by agonistic experience. el ... | 1992 | 1584837 |
| habituation and dishabituation of human salivary response. | habituation may be relevant for understanding how sensory stimuli influence factors related to ingestive behavior. in the first of three experiments in humans we showed that salivation and hedonic ratings to lemon or lime juice habituated within 10 presentations, and dishabituation of the salivation and hedonic ratings to the original juice were observed after a new juice was presented. experiment 2 replicated the habituation and decrease in hedonics to lemon juice, and showed both dishabituatio ... | 1992 | 1615055 |
| varied presentations and responses to treatment of infections caused by mycobacterium haemophilum in patients with aids. | we describe three patients with aids who developed clinically significant infection with mycobacterium haemophilum. one patient had skin and bone involvement and suspected laryngeal involvement; the second had extensive abdominal adenopathy with partial bowel obstruction; and the third presented with limited skin involvement. each patient responded transiently to antimycobacterial therapy, but disease recurred and progressed in all three cases. recovery of m. haemophilum requires a high level of ... | 1992 | 1623075 |
| investigation of ampicillin-intermediate strains of haemophilus influenzae by using the disk diffusion procedure and current national committee for clinical laboratory standards guidelines. | it was noted in our laboratory that certain strains of haemophilus influenzae yielded zone sizes interpreted as resistant to the ampicillin (amp) disk on chocolate-mueller-hinton agar (cmh) but showed no evidence of beta-lactamase (beta-lac) activity. although it is known that a second mechanism of amp resistance exists, strains with this mechanism are uncommon. to investigate this apparent discrepancy, a study of 100 consecutive clinical isolates of h. influenzae collected over a 6-month period ... | 1992 | 1629320 |
| ferrous fumarate fortification of a chocolate drink powder. | an evaluation was made into the usefulness of ferrous fumarate as an iron fortificant for an experimental chocolate drink powder targetted to children and adolescents. organoleptically ferrous furmarate was acceptable when the chocolate drink powder was reconstituted in milk or water that was heated to less than 80 degrees. unacceptable colour changes occurred, however, when boiling milk or water were used. in human fe absorption studies when the fe compounds were added to the chocolate drink im ... | 1991 | 1645995 |
| effects of long-term laxative treatment on rat mesenteric resistance vessel responses in vitro. | the effects of long-term treatment with the laxatives senna and 1,8-dihydroxyanthraquinone (danthron) were investigated in isolated mesenteric vascular beds of rats. the senna was administrated as ground senna pods mixed with milk chocolate. danthron was also administered in this way. chocolate-fed, senna-fed, and danthron-fed rats were supplied with usual feed, supplemented with chocolate, chocolate adulterated with ground senna pods, and chocolate adulterated with danthron, respectively. a gro ... | 1990 | 1698684 |
| biochemical effect of chocolate colouring and flavouring like substances on thyroid function and protein biosynthesis. | synthetic chocolate colourant, flavourant and the mixture of both were administered to healthy adult male albino rats to evaluate their effect on the nucleic acids metabolism, i.e. deoxyribonucleic and ribonucleic acids (dna and rna), total serum protein, thyroid hormones (t4 and t3) and nuclease enzymes, i.e. cytoplasmic- and mitochondrial deoxyribonuclease and ribonuclease (dnase and rnase) in brain, liver, and kidneys. also, the activity of the fundamental enzymes of the oxidative pentose pho ... | 1991 | 1717848 |
| evaluation of a new hydrocolloid occlusive dressing for central catheters used in total parenteral nutrition. | catheter-related sepsis still remains one of the most frequent and serious complication of total parenteral nutrition. strategies for preventing contamination of central venous lines have focused on decreasing the number of micro-organisms around the exit site and inhibiting their entry into the catheter wound. this prospective study compares a new occlusive hydrocolloid dressing (visiband; convatec squibb) with that of a polyurethane film dressing for nutritional catheters. dressings were chang ... | 1991 | 1763392 |
| comparative evaluation of three selective media and a nonselective medium for the culture of helicobacter pylori from gastric biopsies. | plating on solid media is the standard technique used in most laboratories for the isolation of helicobacter pylori from gastric biopsies. recently, various selective media were developed for this purpose. we compared and evaluated three selective media, skirrow's, dent's cp, and modified glupczynski's brussels campylobacter charcoal media, and chocolate agar medium for the isolation of h. pylori. gastric biopsies taken from a total of 203 patients were plated in parallel on all four media. an i ... | 1991 | 1774265 |
| evaluation of culture media and antimicrobial susceptibility of helicobacter pylori. | isolation of helicobacter pylori on artificial culture is hampered by the lack of reliable and cheap media. in this study, three different types of culture media were evaluated for isolation of h. pylori from clinical specimens. these media included: modified thayer-martin (mtm), skirrow's campylobacter agar and chocolate agar. modified thayer-martin agar was superior in isolation to others with an isolation rate of 47% (31/66). the size of colonies on this media were larger and clearly defined. ... | 1991 | 1800079 |
| tarnish of dental alloys by oral microorganisms. | five dental alloys, on exposure to blood and chocolate media with and without inoculated microorganisms, showed varying degrees of tarnish. the results indicated a composition-dependent tarnish behavior of alloys in microorganism-inoculated media, indicating a potential role for the oral microorganisms in inducing clinically observed tarnish of dental alloys. actinomyces viscosus and periodontal pocket specimens show a similarity in their activity to induce tarnish in base metal-containing denta ... | 1991 | 1805014 |
| immunoreactive beta-endorphin increases after an aspartame chocolate drink in healthy human subjects. | it has been claimed that sucrose intake induces a rise in beta-endorphins. in an attempt to discriminate between the sensorial and metabolic effects of sucrose intake in this process, the effects of two chocolate drinks were compared: one sweetened with 50 g of sucrose, the other with 80 mg of aspartame. plasma beta-endorphin concentrations were more elevated after the aspartame drink than after sucrose or fasting, while insulin increased after drinking as much with aspartame as with sucrose. we ... | 1991 | 1805284 |
| migration of mineral hydrocarbons into foods. 1. polystyrene containers for hot and cold beverages. | mineral hydrocarbons are used as processing aids at levels between 0.3 and 3% by weight in crystal polystyrene articles, the food contact uses of which include the dispensing of hot and cold beverages from automatic machines as well as in 'fast-food' and catering establishments. the levels of migration of mineral hydrocarbons from polystyrene cups and glasses have been measured into aqueous food simulants as well as lager, beer, cola, sparkling apple juice, lemon barley water, coffee, hot chocol ... | 1991 | 1812015 |
| [3 cases of hematogenous lung abscess of amebic origin]. | invasive amebiasis is a very serious health problem in mexico as it is presumably related to the presence of virulent strains of entamoeba histolytica and poor hygienic and sanitary conditions; other factors related to invasive amebiasis are undernutrition, alcoholism, and homosexuality. we present three patients with pulmonary amebic hematogenous abscess. clinically all patients had the typical "chocolate" exudate. the three patients had pulmonary consolidations by chest roentgenogram; one of t ... | 1991 | 1818373 |
| spontaneous alternation behavior: an animal model for obsessive-compulsive disorder? | this study entailed the adoption of a well-established behavioral paradigm, spontaneous alternation, as a possible animal model for some of the symptoms observed in obsessive-compulsive disorder (ocd) in humans. food-deprived rats were run in a t-maze in which both a black and a white goal box were equally baited with a small amount of chocolate milk. each rat was given 7 trials every other day during which it was placed in the start box and allowed to make a choice. the mean number of choices u ... | 1991 | 1839567 |
| the effects of overeating on insulin secretion in normal mice. | this study was performed to examine the effect of overeating on in vivo and in vitro insulin secretion in normal mice. six week old male crj-icr mice were maintained on a cookie and chocolate mashed diet (c.c. diet) until 30 weeks of age; control mice received an ordinary mouse chow. the mice on the c.c. diet (c.c. mice) consumed 125-130% of the daily caloric intake of control mice throughout the study. c.c. mice developed mild hyperglycemia with relative obesity from 16 weeks of age. fed blood ... | 1991 | 1841030 |
| characterization of staphylococcus hyicus with the atb 32 staph system and with conventional tests. | the atb 32 staph system correctly identified 45 of 54 staphylococcus hyicus cultures isolated from pigs and cattle. the biochemical profiles of the remaining nine cultures were not listed in the product data base. the 40 porcine and 14 bovine cultures resulted in three and seven different biochemical profiles, respectively. in parallel experiments, almost all s. hyicus cultures showed hemolytic reactions on chocolate agar, had camp-like reactivities in the zone of lysis of the staphylococcal bet ... | 1991 | 1864941 |
| brown (bat) and white (wat) adipose tissue in high-fat junk food (hfjf) and chow-fed rats with dorsomedial hypothalamic lesions (dmnl rats). | male weanling rats received dorsomedial hypothalamic nucleus lesions (dmnl) or sham operations and were fed for 173 postoperative days a high-fat diet and given a 32% sucrose solution as drinking fluid. this was supplemented with chocolate chip cookies, potato chips and marshmallows. other dmnl and sham-operated controls were fed lab chow instead of the above high-fat junk food diet (hfjf) and given tap water instead of 32% sucrose solution. all animals were killed on postoperative day 174. calo ... | 1991 | 1867761 |
| egg yolk emulsion agar, a new medium for the cultivation of helicobacter pylori. | we developed a new agar, egg yolk emulsion (eye) agar, for cultivation of helicobacter pylori. eye agar contains columbia agar base (oxoid), 10% eye (oxoid), 1% isovitalex (bbl), and 40 mg of triphenyleteraxolium chloride (sigma) per liter. we compared eye agar with the following agars: (i) brain heart infusion agar-7% horse blood-1% isovitalex (gdw agar; c. s. goodwin, e. d. blincow, j. r. warren, t. e. waters, c. r. sanderson, and l. easton, j. clin. pathol. 38:1127-1131, 1985), (ii) brain hea ... | 1991 | 1890184 |
| collaborative study of the international office of cocoa, chocolate and sugar confectionery on salmonella detection from cocoa and chocolate processing environmental samples. | a comparative collaborative study was performed in 13 laboratories to evaluate the use of motility enrichment on modified semisolid rappaport-vassiliadis medium for rapid salmonella detection from food-processing environmental samples. artificially contaminated chocolate scrapings and naturally contaminated cocoa bean dust samples were used in the study. pre-enrichment was performed in buffered peptone water with added casein and malachite green oxalate. motility enrichment was compared with a c ... | 1991 | 1911087 |
| lack of correlation between food retention on the human dentition and consumer perception of food stickiness. | when dental health professionals advise that sticky foods be avoided, it is left to the consumer to choose correctly among different foods. in this study, comparisons were made among consumer ratings of stickiness of 21 commercially available foods and objective measurements of tooth retention of each of the foods. no correlation was found between the two, and neither the rates of clearance of food particles from the teeth nor the rates of clearance of food-derived sugars from the saliva correla ... | 1991 | 1939824 |
| a test of conditioned taste aversion with mouse interferon-alpha. | interferon-alpha treatment induces anorexia in cancer patients and in mice. the ability of interferon-alpha to induce a conditioned taste aversion (cta) in mice was explored. mice were injected with doses of interferon-alpha that had been shown to induce anorexia (m. a. segall & l. s. crnic, behav. neurosci., 1990; 1600 or 800 u/g of mouse) after being given a novel solution (chocolate milk). neither dose of interferon resulted in a decrease of milk intake on the test day. to determine whether t ... | 1990 | 1964617 |
| inhibitory effects of aqueous extract of cacao bean husk on collagenase of bacteroides gingivalis. | natural materials containing tannin were examined to determine whether they possessed any inhibitory activity against collagenase obtained from the culture supernatant of bacteroides gingivalis. the collagenolytic activity was determined with collagenokit cln-100 (collagen technological co., tokyo) using fitc-conjugated collagen type 1. among the test samples, only an aqueous extract of cacao (theobroma cacao) bean husk strongly inhibited the bacterial collagenase. this inhibitory potency was at ... | 1990 | 1966677 |
| the viability of microorganisms in preservation solutions. | in 1988 the university of wisconsin solution was introduced into clinical transplantation. this solution is unique in that it contains no glucose but rather raffinose, lactobionate, and hydroxyethyl starch. in addition, it contains two antibiotics, penicillin and bactrim. prior studies have shown that other preservation solutions allow the transmission of bacterial contamination from organ donor to recipient. however, there are no data on whether uw solution, with its unique composition and exte ... | 1991 | 1987693 |
| quantitative antimicrobial susceptibility testing of haemophilus influenzae and streptococcus pneumoniae by using the e-test. | the e-test (pdm epsilometer; ab biodisk, solna, sweden) is an antimicrobial agent gradient-coated plastic test strip which allows mic determinations on agar media. the test is performed in a manner similar to the agar disk diffusion procedure. a collection of haemophilus influenzae and streptococcus pneumoniae strains possessing various resistance mechanisms was used to evaluate the e-test method. h. influenzae strains were tested with both haemophilus test medium (htm) and pdm asm ii chocolate ... | 1991 | 1993744 |
| corynebacterium striatus keratitis. | we report a case of diphtheroid keratitis that occurred in a compromised cornea. corneal cultures yielded heavy growth of corynebacterium striatus on blood and chocolate agar. the infection responded slowly to treatment with topical fortified cefazolin and fortified tobramycin. this case demonstrates that diphtheroids are capable of causing ocular infections and should not routinely be dismissed as contaminants or commensals. | 1991 | 2019113 |
| detection of bacteria in blood by centrifugation and filtration. | culture of blood is the most frequent means of diagnosing bacteremia. however, conventional blood culturing methods are slow in isolating bacteria. we developed a method for isolation of bacteria by centrifugation and filtration. fresh human whole blood was inoculated with facultatively anaerobic and aerobic microorganisms (3 to 172 microorganisms per 5 ml). seeded blood was then mixed with ficoll-hypaque (density, 1.149 +/- 0.002 g/ml) and centrifuged (386 x g) for 30 min at ambient temperature ... | 1991 | 2037658 |
| microbial contamination in four brands of irreversible hydrocolloid impression materials. | a previous investigation showed unopened irreversible hydrocolloid impression material to be contaminated with viable microorganisms. this study tested and compared four brands of commercial irreversible hydrocolloid impression material in factory-sealed containers for the presence of viable microorganisms. twenty-four measured samples of each brand were taken from previously unopened containers using a sterile technique. the samples were placed on chocolate agar plates or in thioglycolate broth ... | 1991 | 2056462 |
| differential feeding responses evoked in the rat by npy and npy1-27 injected intracerebroventricularly. | neuropeptide y (npy) given by the intracerebroventricular (icv) route in the rat evokes hyperphagic-like feeding. to examine the molecular nature of action of npy, comparisons were made between the central effects of this peptide and a newly synthesized amino-terminus fragment, npy1-27. a single guide tube was implanted stereotaxically to rest just above a lateral cerebral ventricle so that icv injections in a volume of 10 microliters of either csf control vehicle or peptide could be given in th ... | 1991 | 2057507 |
| bacterial contamination in irreversible hydrocolloid impression material and gingival retraction cord. | this study tested two dental materials in factory-sealed containers for the presence of bacteria that may be a source of infection. twenty samples of two dental materials found to have contamination in a pilot study were taken from unopened containers using a sterile technique. the samples were inoculated onto chocolate agar plates and into thioglycolate broths with appropriate controls. plates were examined, colonies were enumerated, gram stained, and identified. the resulting contamination fre ... | 1991 | 2066885 |
| dental knowledge, attitudes and behavior among kuwaiti mothers and school teachers. | in one region in the state of kuwait children in first grade have been offered a systematic dental health care program. the purpose of this study was to assess (1) dental knowledge, attitudes, and health behavior among the mothers of children in first grade, and (2) dental knowledge and attitudes of schoolteachers, and their involvement in health education. before the children were enrolled in the program 187 mothers (response 76%) were interviewed. self-administered questionnaires were used to ... | 1990 | 2081134 |
| detection of helicobacter pylori from endoscopic biopsies and the biochemical characteristics of these isolates. | helicobacter pylori (formerly campylobacter pylori) has been recently described as a gastritis-associated bacterium. we examined endoscopic biopsies of 100 patients with dyspepsia and found h. pylori in the gastric antrum of 34 (34%) by either culture, urease tests and/or histology. thirty-one out of 41 patients (75.6%) confirmed to have chronic active gastritis histologically had h. pylori in their gastric antrum compared to 3 out of 59 patients (5.1%) with dyspepsia but normal histology (p les ... | 1990 | 2102969 |
| [use of low-grade potatoes in the production of whole flour for the preparation of foods for popular consumption]. | a whole flour potato obtention process was developed which could be used in semirural areas. the potato without peeling was previously washed and ground adding 100 p.p.m. of sodium bisulphite, then it was dehydrated in a cabinet tray dryer with an air flow circulation set at 70 degrees c using three different deep beds (10, 20 and 25 mm). finally it was milled, sieved and packed in polyethylene kraft bags and stored for 10 months at room temperature. results showed that drying time increased les ... | 1990 | 2103718 |
| [meningococcal disease: are patients carriers of meningococci after treatment with antibiotics?]. | the aim of the study was to determine whether patients treated for meningococcal disease carried meningococci in the throat on discharge from hospital. if this were the case, supplementary treatment with e.g. rifampicin would be appropriate. the study comprised 106 patients: 98 patients in whom meningococci had been isolated from cerebrospinal fluid, blood or petechiae and eight patients with clinical signs of meningococcal disease in whom meningococci had been isolated only from tracheal aspira ... | 1990 | 2111593 |