Worcestershire sauce-induced hematuria.
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In this era of H2-inhibitors, the available evidence does not support the need to place peptic ulcer disease patients on restrictive diets. The major goal of diet is to avoid extreme elevations of gastric acid secretion and the direct irritation of gastric mucosa. In view of this, only slight modifications in the patient's usual diet are recommended. Table 1 depicts a sample menu for chronic peptic ulcer disease. Frequent milk ingestion as previously prescribed is not encouraged. This is owing to the transient buffering effect and significant gastric acid secretion effect of milk. The fat content of milk has no influence on these effects. Spices, in particular black pepper, red pepper, and chili powder, may produce dyspepsia. One study shows red chili powder to have no detrimental effect on duodenal ulcer healing. It has also been proposed that daily pepper ingestion may have a beneficial adaptive cytoprotective response. While still controversial and under evaluation, peptic ulcer patients should avoid any spice that causes discomfort, especially during exacerbation of peptic disease. Currently, studies indicate that it is prudent to avoid alcohol. This is especially true for the concentrated forms, such as 40% (80 proof) alcohol. Coffee should be avoided on the basis of its strong acid secretagogue property. Coffee can induce dyspepsia. Whether noncoffee caffeine-containing beverages (tea, soft drinks) induce peptic ulcer is unknown, but they are acid secretion stimulators. Decaffeinated coffee has an acid stimulating effect as well. It is reasonable to have peptic ulcer patients restrict decaffeinated coffee and all caffeine-containing beverages. There appears to be no evidence to restrict dietary fiber. Some fiber-containing foods may possess factors that are protective against ulcer disease. According to the Mayo Clinic Diet Manual, previously recommended small frequent feedings have not been shown to be more effective than three meals per day in the treatment of chronic peptic ulcer disease. This reference cites authorities advising against extra feedings because of increased acid secretion and unnecessary complication of eating patterns. However, some patients claim to be relieved of symptoms with more frequent feedings, especially during acute phases. Citric acid juices may induce reflux and cause discomfort in selective patients. Stomach distention with large quantities of food should be discouraged. Although there is now little role for dietary therapy, one should note that bland and ulcer diets probably are not detrimental to most persons if they are used for a short time and may have some psychological benefit.(ABSTRACT TRUNCATED AT 400 WORDS)
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IgE against the spices coriander and/or curry, mace, celery, and white pepper was measured in 150 sera from patients with suspected food allergies. Fifteen percent of the 288 spice RASTs resulted in greater than or equal to 10% binding of 125I-labeled anti-IgE. Twelve sera were studied in detail. In most sera IgE against various spices was present; all 12 sera contained IgE against mugwort-pollen extract. In RAST-inhibition experiments with three different sera, a cross-reactivity between mugwort pollen and coriander could be demonstrated. Leukocytes from two patients released histamine on incubation with spice extracts. This study suggests that IgE against various spices may play a role in some adverse reactions to food.
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A survey was undertaken to determine the incidence and numbers of L. monocytogenes in a variety of meat products (cooked meat products, raw cured meat products (dried or not), mayonnaise based salads and prepared meals). As expected, raw cured meat products were significantly higher contaminated with L. monocytogenes than cooked meat products, 13.71% (113/824) and 4.90% (167/3405), respectively. Also a larger proportion of raw cured meat product samples contained a high initial level of the pathogen ( > 10 cfu/g). Higher incidence rates were obtained for whole cooked meat products (e.g. cooked ham, bacon) after slicing than before slicing, 6.65 and 1.56%, respectively, indicating cross-contamination. Due to multiple handling and processing steps, the incidence rate of the pathogen was higher for cooked minced meat products than for whole cooked meat products, 6.14 and 3.96%, respectively. No significant differences were obtained in the incidence of L. monocytogenes in whole cured meat products (e.g., raw ham) and minced cured meat products (e.g., dry fermented sausage), 14.92 and 11.69%, respectively. Lower incidence rates of L. monocytogenes were obtained for raw, cured meat products using beef or horse meat, 4.65 and 5.88%, respectively, A high incidence rate of L. monocytogenes was noted for the mayonnaise based salads (21.28% (186/874)) as well as for prepared meals (11.70% (92/786)), the latter especially due to contamination of vegetarian meals.
Forty-one marketed samples of imported and domestic glass bottled foods were tested for clostridia contamination. It was detected in nine (22%) samples. Clostridia were isolated from fish sauce (Nam pla, Nuoc-mam), dressing, mustard, hot and sour soup mix (Tom Yum), mysids boiled down in soy, and salmon flakes. The origin of all clostridia positive samples was Asia. Clostridium botulinum and C. perfringens were not detected. The frequency of occurrence was higher by enrichment broth culture detection methods than by agar plate or pouch methods. These findings suggest that the number of bacteria in most of these clostridia positive food samples is very low, and the use of enrichment methods for detection of clostridia is essential.
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