PubMed Health⌕ Search

SEARCH · PubMed Health

Results for “Taste Threshold”

Explore indexed PubMed citations for clinical trials, systematic reviews and public health research. Read source abstracts and follow each citation to its original PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 19 recordsLinked to original sources
PubMed1978

Altered taste thresholds in lung cancer.

Taste threshold levels for the four basic taste modalities were determined in 30 male lung cancer subjects and 30 male control subjects who had no history of malignant disease. Lung cancer patients demonstrated significant alteration in taste recognition for sour but not for bitter, sweet, or salt. There were, however, quantitative differences between cancer patients and control subjects in recognition thresholds for the sweet taste modality. Some of the lung cancer subjects had demonstrated greater sensitivity to the taste of bitter than the control subjects and others were less sensitive. These alterations may account in part for the reduction of intake and for the aviodance of certain food items by lung cancer subjects. Dietary histories should be taken on all cancer patients in order to individualize dietary management, thereby improving the nutritional intake.

Adult↗
PubMed1992

[Taste thresholds and above-threshold responses to fructose solution in relation to diet in Callitrichidae primates].

Taste thresholds and consumption responses to above-threshold concentrations of fructose solutions were determined in eight callitrichid primate species using the "two-bottle preference test". Although taste thresholds are relatively similar across species, above-threshold responses may differ considerably between marmosets and tamarins. As fructose concentration increases, the rate of consumption increases less for most marmoset species (Cebuella and Callithrix spp.) than for Goeldi's monkey (Callimico) and tamarins (Saguinus and Leontopithecus spp.). It is proposed that distinct shapes of the curves illustrating these responses characterize species in terms of global taste system adaptations to different diets.

Animals↗
PubMedDate not supplied

Electrically evoked taste threshold.

How accurately can the electrically evoked taste threshold be determined? Why have standards of normal values not yet been generally accepted? In order to answer these questions, 80 normal subjects were examined by means of the method of adjustment. The results showed a greater variability of threshold values and side differences than found by other authors. In explanation, it is suggested that the method of adjustment minimizes the biasing effect of the examiner, which normally leads to an underestimation of the threshold variability as well as of the side differences. The method of adjustment is therefore suitable for certain experimental purposes. For clinical use, a simple procedure like Krarups should be preferred. Due to its limited validity, however, only side differences of 100% or more should be considered pathological. A log-scale with rather large units (25% increment steps) is recommended.

Adolescent↗
PubMed1977

Distribution of taste thresholds for phenylthiocarbamide among different age groups in Turkey.

The relation between age and taste threshold in populations living both in Istanbul and Resadiye, a town located in eastern part of Turkey, was investigated. In Turkey the nontaster/taster ratio has been found lower than in the other countries of Europe and Asia (3 ,4 ,8 ,9). With aging the taste sensitivity of tasters does diminish. However, the differences in the taste threshold levels of nontasters, in different age groups, have been found as being statistically not significant.

Adolescent↗
PubMed1979

Increased taste thresholds of amino acids with age.

Taste detection thresholds for 19 L-amino acids and four monohydrochloride derivatives were determined for young and elderly subjects. Although the ranges of the thresholds were extensive, the elderly were found to have significantly diminished sensitivity. On the average, thresholds were 2 1/2 times higher in the elderly than in young subjects. Relationships between the taste detection thresholds of amino acids, their chemical structures, and suprathreshold taste qualities were found. Amino acids with aliphatic side chains and those containing hydroxyl groups and having sweet tastes at suprathreshold concentrations tended to have the highest thresholds. Amino acids containing sulfur, as well as those with acidic or basic groups, tended to have the lowest thresholds.

Adolescent↗
PubMed1992

[Arterial hypertension in the adolescent: its possible relation to the salt taste threshold].

The purpose of the study was to define the relationship between the salt intake and the levels of arterial blood pressure in adolescent people. Seventy-eight youngs between 12 and 18 years old with diastolic/systolic blood pressure above 95 percentile formed the hypertensive group; a similar population with the same characteristic (age, sex, race, weight and height) with normal blood pressure were selected as a control group. The salt taste threshold was carried out through tasting a saline solution in different concentrations, till it could be distinguished as salted. Moreover, 45 hypertensive adolescent were follow-up for 12 weeks under a hiposodic diet and consequently a new salt taste threshold was done. The results showed that the control group had a salt perception under 80 mg %, instead the hypertensive group showed a higher threshold (above 160 mg %). Those hypertensive adolescent which were followed for 12 weeks changed its pattern in this way: in 24, a lesser perception was observed with a reduction in their blood pressure in 11 of them. These findings suggest that hypertensive adolescent had an elevated threshold for salt, usually above 160 mg % and the test should be helpful for the identification of a subgroup "salt-sensible".

Adolescent↗
PubMedDate not supplied

Glucose taste thresholds in cariesfree naval recruits.

Glucose taste detection thresholds were determined in 41 cariesfree recruits and 53 recruits with caries experience. Cariesfree detection thresholds ranged from 5 to 45 mM/liter, with a mean of 13.4 +/- 1.7 whereas that of the control group ranged from 5 to 50 mM/liter with a mean of 22.3 +/- 1.7 (P less than 0.01). A Kilmogorov-Smirnov two-sample test demonstrated a significant difference in the distribution of thresholds between the two groups (P less than 0.01). These observations are in accordance with previous studies demonstrating that cariesfree recruits display lower sucrose taste detection thresholds than recruits with caries experience.

Adolescent↗
PubMed1991

Taste thresholds in patients with small-cell lung cancer.

Recognition thresholds for the four basic tastes (salt, sour, sweet and bitter) were tested by the forced-choice technique in 27 patients with small-cell lung cancer, and 22 weight-matched control patients with non-malignant diseases. No significant differences in threshold concentrations could be demonstrated. When patients who were losing weight were compared with weight-stable patients, significantly lower taste thresholds for bitter substances were found in weight losing groups in both cancer and control patients. Small-cell lung cancer patients who responded to therapy had obtained an increased threshold for bitter taste at the time of reevaluation than at the time of diagnosis, an effect that may be explained by the chemotherapeutic regimen. The results suggest that in patients with small-cell lung cancer it is not the cancer disease per se but the weight loss that often accompanies it that causes an increased taste sensitivity for bitter substances.

Aged↗
PubMed1979

[Peripheral and central factors which modify the taste threshold].

Several anatomical, physiological and behavioral factors have part in changing the values of the detection threshold, among which the reflexly secreted oral fluid. The HCl molar concentration appears to be a hyperbolic function of preference (= taste solution/water ratio); the empirical formula of the function makes the HCl molar concentration to be known, at which the same voll. of water and taste solution are drunk, i.e. the taste threshold.

Animals↗
PubMed1975

Taste thresholds for salt in fasting patients.

Since it has been controversial whether in man changes in taste sensitivity for salt occur in relation to changes in extracellular volume, as has been described in animals, we assessed saline acuity in human volunteers undergoing a predictable pattern of external sodium balance. Our results demonstrate that taste thresholds for salt did not vary despite oppositely directed changes in renal sodium excretion and sodium balance.

Animals↗
PubMed1979

[Determination of taste threshold].

A linear inverse relation links the HCl solution molarity to both the absolute HCl solution intake, and the ratio of the HCl solution to the total fluid intake. The last algebraic relation allows the taste threshold to be estimated.

Animals↗