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PubMed1977

Sodium and potassium intakes and excretions of normal men consuming sodium chloride or a 1:1 mixture of sodium and potassium chlorides.

Two groups of 10 healthy young men were matched on the basis of their free-choice consumptions of regular table salt. For 28 days they were then fed carefully controlled low-sodium foods. One group was permitted free-choice seasoning of these foods with regular table salt, the other with a 1:1 mixture of sodium and potassium chlorides. Intakes and urinary and fecal excretions of sodium and potassium were determined by analysis. The results were: 1) the subjects salted their food with essentially the same amounts of regular table salt as of the 1:1 mixture; 2) the sodium intake associated with seasoning at the table was reduced with the 1:1 mixture to 44 percent of the amount consumed with regular table salt; and 3) over a 28-day period there was no tendency for subjects to increase their use of a 1:1 mixture, when used in place of regular table salt, to compensate for their reduced sodium intakes. Under the conditions of this study, the use of the 1:1 mixture as a seasoning agent for foods that contained no added salt resulted in an average total intake of sodium (food plus seasoning) which was 55 percent that of the subjects using regular table salt.

Adult↗
PubMed1980

Lectins in the United States diet: a survey of lectins in commonly consumed foods and a review of the literature.

Plant lectins or phytohemagglutinins possess potent in vivo biological activities. Some, primarily of the family Leguminosae, have been shown to have deleterious nutritional effects. Little information exists, however, regarding the prevalence of lectins or the specific foods that contain lectins in the United States diet. In the present study the edible parts of 29 of 88 foods tested, including common salad ingredients, fresh fruits, roasted nuts, and processed cereals were found to possess significant lectin-like activity as assessed by hemagglutination and bacterial agglutination assays. Based on this survey and a review of the literature we conclude that dietary exposure to plant lectins is widespread. The spectrum of nutritional consequences of such exposure remains to be determined.

Agglutination Tests↗
PubMed1987

Curry powder as a vehicle for iron fortification: effects on iron absorption.

Curry powder was investigated as a vehicle for targeted iron (Fe) fortification, and especially for NaFeEDTA, by assessing its acceptability to consumers and its effects on Fe absorption. A random survey in an Indian community in the Republic of South Africa, indicated that fortified premixed curry powder was acceptable in terms of color, palatability, and stability. The effect of curry powder on Fe absorption from a potato meal was assessed in 64 Indian housewives. Curry powder caused a significant though modest rise in Fe absorption in two of the studies (t = 2.716, p less than 0.05 and t = 3.126, p less than 0.025) but, in the third, the effect was noted only in the more Fe-depleted subjects. There was no enhancement of Fe absorption from a dhal soup of low-Fe bioavailability (t = 0.224, p greater than 0.1). The results of both the human and animal studies suggested that curry powder's overall mild enhancing effect on Fe absorption was due to its capacity to stimulate gastric acid secretion.

Anemia, Hypochromic↗
PubMed1992

Increased exposure to dietary amines and nitrate in a population at high risk of oesophageal and gastric cancer in Kashmir (India).

Analytical data on aliphatic amines and nitrate from the most commonly used fresh and sun-dried vegetables, red chillies and a widely consumed beverage, salted tea, are presented from a high risk area for oesophageal and gastric cancer in Kashmir. Exposure estimates for the adult population show that high consumption of boiled Brassica vegetables leads to a high nitrate intake of 237 mg/day. The frequent consumption of hot salted tea is shown to result in exceptionally high exposure to methylamine (1200 micrograms/day), ethylamine (14,320 micrograms/day), dimethylamine (150 micrograms/day) and diethylamine (400 micrograms/day). The indiscriminate use of red chillies in the area leads to exposure to dimethylamine (280 micrograms/day), pyrrolidine (517 micrograms/day) and methylbenzylamine (40 micrograms/day). This is to our knowledge the first report where a chronic exposure to methylbenzylamine has been shown in a population at high risk of oesophageal cancer.

Adult↗
PubMed1976

Constituents of peppers: IV. The hydrocarbons of pepper essential oil.

Twenty-six hydrocarbons were identified in the essential oil of black pepper. Three of these are sesquiterpenes which have not been reported previously as occurring in this oil (beta-cubebene, alpha-guaiene and gamma-cadinene). Some other hydrocarbon constituents mentioned in the literature were absent in our pepper oil.

Chromatography, Gas↗
PubMed1976

Long-term effect of shoyu (Japanese soy sauce) on the gastric mucosa of the rat.

The long-term effect of shoyu (Japanese soy sauce) on the gastric mucosa was assessed in intact rats and in those with a fundusectomy. One hundred female 4-month-old Wistar rats were divided into 4 groups:intact and operated rats on a control diet and intact and operated rats on the same diet saturated with shoyu. The animals given shoyu were smaller than the controls; 15 intact rats receiving the sauce were healthy at 33 months compared with 7 controls. Only 9 of 50 operated rats lived 33 months. Breast tumors developed in 10 control rats but in none given shoyu. The distribution of other tumors was the same. Two malignant neoplasms appeared to originate in the perigastric tissues of operated rats: a reticulum cell sarcoma in the shoyu group and a lymphosarcoma in the control group. None involved the gastric mucosa. Most of the operated rats (with or without shoyu) developed small benign gastric tumors. Mucosal histology was well preserved in 22 intact rats on shoyu: In 15 it was normal, in 7 there was mucus loss and nuclear changes in the cells of the gastric pits; 2 of the 7 had mild gastritis. One intact control showed patchy mucus loss. Shoyu did not appear to be a carcinogen in the rat; its prolonged use impaired neither health nor longevity. Long-term use was associated with gastric mucus loss and nuclear changes in a few rats, occasionally with a mild gastritis.

Animals↗
PubMed1990

Health problems among spice grinders.

Sixty-one male spice grinders from 14 factories were studied to determine if they had any skin problems, respiratory symptoms or hearing loss associated with their work. All subjects were interviewed and examined. Audiometric examinations were arranged for those with significant noise exposure. Assessments of dust and noise levels were conducted. Symptoms of upper respiratory tract irritation, such as sneezing and runny nose, during work were experienced by 49.2 per cent of workers. These symptoms were maximal in the first few weeks of employment in spice grinding and did not recur in half of the affected workers. Over 26 per cent of the workers experienced a warm or burning sensation of the skin when grinding chili or pepper. None of the spice grinders had symptoms or evidence on physical examination of allergic skin disease or asthma. Noise-induced hearing loss was detected in 21 per cent of the workers examined but none had severe disabling deafness. Dust levels ranged from 0.03 to 0.82 mg/m3, with a mean value of 0.15 mg/m3. Noise exposure was significant, with levels of between 87 and 98 dBA. Control measures to reduce the noise and dust exposure are discussed.

Adolescent↗
PubMed1978

Botulism type B: epidemiologic aspects of an extensive outbreak.

Between March 31 and April 6, 1977, 59 individuals developed type B botulism. All ill persons had eaten at the same Mexican restaurant and all had consumed a hot sauce made with improperly home-canned jalapeno peppers, either by adding it to their food, or by eating a nacho that had had hot sauce used in its preparation. There was a highly significant association between illness and consumption of hot sauce when a comparison was made between ill persons and well controls: 4% of all restaurant patrons eating at the restaurant during the outbreak period became ill with botulism; however, approximately two-thirds of those actually exposed to the toxic hot sauce became ill. Disease severity was statistically correlated with incubation periods. No differences in disease severity were found between persons of different age groups. The full clinical spectrum (mild symptomatology with neurologic findings through life-threatening ventilatory paralysis) of type B botulism was documented.

Adolescent↗
PubMed1984

Investigation of an outbreak of Salmonella oranienburg infections in Norway, caused by contaminated black pepper.

From November 1981 to August 31, 1982, 126 bacteriologically confirmed cases of Salmonella oranienburg infections were reported in Norway. This paper summarizes the development of the outbreak and describes the epidemiologic and microbiologic investigations leading to the discovery of contaminated black pepper as the source of the outbreak. In an investigation limited to 26 patients in the Trøndelag region, the Trondheim Public Food Control Laboratory isolated S. oranienburg from six samples of black, ground pepper from the patients' households and from 15 samples of black, ground pepper from unopened, original packings having the trademark of the Norwegian Cooperative Association (Co-op).

Adolescent↗
PubMed1990

Esophageal carcinoma in Indian Jews of southern Israel. An epidemiologic study.

The incidence of esophageal cancer varies in different populations and localities. The varied composition of the immigrant population of southern Israel afforded us an opportunity to investigate the frequency of the disease. The results of a retrospective study (1961-1985) revealed a high mean age-adjusted incidence rate (per 10(5)) in immigrant Indian men (6.5 +/- 2.17) and Indian women (17.2 +/- 5.12). Rates in all non-Indian immigrants were significantly lower: men 2.7 +/- 1.19, women 2.1 +/- 0.24. The relative risk of developing the disease was significantly higher in Indians. The age at diagnosis was lower in Indian women (54.6 +/- 10.4 years) than Indian men and other immigrants (p less than 0.05). The clinical features were similar in all cases. The risk factors in Indian men were not apparent; in women, the indiscrete use of spices might have raised the rate of esophageal cancer. The disease is more frequent in Indian populations in several parts of the world, and vigilance is required on the part of physicians.

Adult↗
PubMed1985

Effects of potassium on sodium balance, renin, noradrenaline and arterial pressure.

To determine the effects of potassium on blood pressure and factors affecting blood pressure, we conducted a randomized, placebo controlled trial of a potassium chloride-based substitute for table salt in 23 patients with mild to moderate essential hypertension. In addition, the effects of potassium chloride on sodium balance were studied in 10 normal subjects. Potassium loading with 100 mmol/day over five days in these normal subjects caused a cumulative negative sodium balance of 138 +/- 35 mmol, similar in degree to that achieved by severe dietary sodium restriction. However, two weeks of potassium treatment (100 mmol/day) in patients with essential hypertension did not lower blood pressure (BP) either in the supine or upright positions (potassium treatment: mean BP 108 +/- 3 lying and 113 +/- 3 mmHg standing; placebo treatment: mean BP 109 +/- 3 lying and 115 +/- 3 mmHg standing). Patients found it difficult to tolerate the potassium-based salt substitute in the dose given. We conclude that it is premature to recommend an increase in potassium chloride intake as treatment for raised blood pressure.

Adult↗
PubMed1988

Augmenting effect of a nonmutagenic fraction in soy sauce on mutagenicity of 3-diazotyramine produced in the nitrite-treated sauce.

When 25 kinds of Japanese soy sauce at a concentration of 5% were incubated with 50mM sodium nitrite (pH 2) at 37 degrees for 1 hr, the reaction mixtures induced 34-834 (average 368 +/- 228) revertants per microliter of soy sauce equivalent in Salmonella typhimurium strain TA100 in the absence of S9 mix. The mutagen(s) formed was very unstable under natural daylight and a fluorescent lamp but quite stable under a yellow lamp as well as in the dark. In addition to the known precursors, i.e., tyramine and 1-methyl-1,2,3,4-tetrahydro-beta-carboline-3-carboxylic acid, 1-methyl-1,2,3,4-tetrahydro-beta-carboline, which caused weak mutagenesis, was found in the soy sauce. However, the sum of the activities of the three mutagen-precursors after nitrite treatment accounted for only a part of the mutagenicity of nitrite-treated soy sauce. There was in the soy sauce a factor which increased ninefold the mutagenicity of nitrite-treated tyramine, 3-diazotyramine. Therefore, tyramine was considered the principal precursor of the mutagen produced in the nitrite-treated soy sauce. These three precursors together with the mutagenicity augmentation accounted for all the mutagenicity of nitrite-treated sauce. The mutagenicity-augmenting factor in the soy sauce was nonmutagenic before and after nitrite treatment and was stable to heat and light irradiation.

Carbolines↗