Publications

plants used in guatemala for the treatment of gastrointestinal disorders. 1. screening of 84 plants against enterobacteria.	gastrointestinal disorders are important causes of morbidity in developing countries. natural healing is the traditional way of treating these diseases in guatemala. ethnobotanical surveys and literature reviews showed that 385 plants from 95 families are used in guatemala for the treatment of gastrointestinal disorders. the activity of 84 of the most commonly used plants was screened in vitro against five enterobacteria pathogenic to man (enteropathogenic escherichia coli, salmonella enteritidi ...	1990	2214824
fecal excretion of leukotriene c4 during human disease due to shigella dysenteriae.	fecal excretion of leukotriene c4 was determined in 26 individuals with dysentery and in 19 healthy controls. of the patients, five were infected with shigella dysenteriae type 1, 15 were infected with shigella flexneri, two were infected with shigella boydii, and four were infected with shigella sonnei. three of the healthy controls were infected with non-dysenteriae shigellae. all isolates of shigella dysenteriae type 1 produced shiga toxin; the other strains were not toxigenic. patients with ...	1995	7714683
infection, diarrhea, and dysentery caused by shigella species and campylobacter jejuni among guatemalan rural children.	to examine the factors that may influence the outcome of infections by shigella spp. and campylobacter jejuni we followed for 24 consecutive months 321 rural guatemala children 0 to 35 months old. home visits were made to determine child morbidity patterns with emphasis on diarrhea and dysentery. fecal samples for microbiologic studies were obtained from the participants when they were ill and during healthy periods. shigella spp. were isolated from 9.8 and 4.0% of ill and healthy children, resp ...	1994	8177630
plants used in guatemala for the treatment of gastrointestinal disorders. 3. confirmation of activity against enterobacteria of 16 plants.	ethnobotanical surveys and literature review identified 408 plants used in guatemala for the treatment of gastrointestinal disorders. the screening of 84 showed that 34 inhibit one or more enterobacteria; 16 of these were selected for further investigation. extracts were obtained with three solvents of different polarity (n-hexane, acetone and alcohol) and the in vitro activity was demonstrated against enteropathogenic escherichia coli, salmonella enteritidis and shigella flexneri. the activity ...	1993	8479202