heterocyclic


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to heterocyclic: Heterocyclic chemistry

heterocyclic

 [het″er-o-sik´lik]
having or pertaining to a closed chain or ring formation that includes atoms of different elements.

heterocyclic

Of organic compounds with one or more closed rings consisting of carbon atoms and atoms of other elements such as nitrogen, oxygen or sulphur.
References in periodicals archive ?
To prove this effect, researchers exposed xanthohumol-supplemented healthy rats to a common family of dietary carcinogens (called heterocyclic amines) that forms when meat is cooked at high temperatures.
Results from these two large prospective cohort studies do not support the hypothesis that higher intake of heterocyclic amine intake per se substantially increases risk of CRC.
2,3-Dihydroimidazo[1,5-b]pyrazoles 84 containing a structurally heterocyclic system corresponding to cyclized histamine were prepared by cyclodehydration of substituted N-(3-pyrazolylmethyl)acetamides 80 or N-(3-pyrazolylmethyl)acetamides 83, obtained by the catalytic hydrogenation of 1-benzoyl-4,5-dihydro-1H-pyrazole-3-carbonitriles 79 followed by acylation.
Heterocyclic amines form in grilled, charbroiled, or fried meat in two essential steps.
Latest Developments in the Analysis of Heterocyclic Amines in Cooked Foods.
The data showed that all the meat samples marinated in red wine or beer contained lower levels of heterocyclic amines than the control.
The compounds, heterocyclic amines, form when food is cooked at high temperatures.
The company has entered into an agreement with Heterocorporation (Provo, UT) to publish the "Journal of Heterocyclic Chemistry" beginning with Vol.
In a laboratory, they tested the white blood cells of subjects before and after drinking coffee, subjecting the ceils to two different kinds of cell-damaging substances: hydrogen peroxide, a free radical, and heterocyclic aromatic amine, a cancer-causing substance produced when certain foods are cooked.
But Carl Baum, M.D., wants parents to be aware of the delicate balance they must achieve between cooking burgers on the grill long enough to protect against bacterial contamination and not cooking them so long as to produce large amounts of heterocyclic amines (HCAs), proven human carcinogens.
Grilling of frying meat and poultry can create heterocyclic amines, which may cause cancer.