What is "ester"

Usage examples of "ester".

The results flashed back almost instantly: high in ascorbic acid and in several B-complex vitamins, as well as containing several highly rated flavor esters.

When an alkanolamine such as ethanolamine or aminopropanol is reacted with the mixed anhydride of lysergic and trifluoroacetic acids, the reaction product contains not only the desired hydroxy amide but also, to a minor extent, some ammo ester.

Amount of fat in the diet affects bioavailability of lutein esters but not of alpha-carotene, beta-carotene, and vitamin E in humans.

Most conveniently the conversion is carried out by dissolving the ammo ester or mixture containing the ammo ester in a minimum amount of alcohol and adding to the mixture a twofold amount of 4 N alcoholic potassium hydroxide solution.

He dipped into learned works on the mating habits of the bower bird, the decoction of ethers and esters and imitation Irish whiskey, the electronic marvels of the Space Age, proctology made easy, hypnotism, herpetology, and the magical and therapeutic properties of the ancient Chinese pharmacopoeia.

Vexxon against these men, for it had been Nazi-sponsored researchers who had synthesized the first nerve gas in 1936, an organophosphorous ester called tabun.

But he could still smell the rank, semisweet esters of a pre-spice pocket somewhere underneath this sand.

Me esters asked after you in their last letter--they would like you to visit them again.

By the end of 1921 ethyl esters were being administered to 1,000 Culion patients.

The atmosphere was breathable and flavored with smelly esters from abundant plant decay.

Even after all these years, the air in the complex was tainted with the acrid scent of chemicals, as if decades' worth of nitric acid, sulfuric acid, ammonia, mercury, and a host of esters and alcohols had permanently stained the air.

The snowflakes blinked around them, ester and ester, like the leaking blanks on the oldest archive footage, the runny white bits blobbing the white dress of the Tsarina as she turns on a white balcony under a white parasol to laugh at the haemophiliac child in his white sailor's suit.

The chief constituents of the oil are linalool and its acetic ester, linalyl acetate, which is also the characteristic ingredient of oil of bergamot and is present in English oil of Lavender to the extent of 7 to 10 per cent.

A synthetic Otto of Jasmine now exists, however, its composition following more or less closely the constitution of the natural oil, containing benzyl acetate, a benzyl ester found in the natural oil of Jasmine, but the true perfume of Jasmine is not, however, exactly reproducible by any combination of chemical compounds or other natural products thus far known, and a proportion of the natural otto must be added to the mixture of synthetic substances to make the product satisfactory.

Soap is a chemical compound formed when the metal component of the lye, sodium or potassium binds with a free fatty acid and loosely attaches itself to a methyl or ethyl ester in the bio-diesel.