hydroxybenzoate

hydroxybenzoate

an antioxidant used in food preservation; the butylated product is the standard form of usage. Also used as a preservative in pharmaceutical preparations. Called also parabens.
References in periodicals archive ?
Three novel hydroxybenzoate saxitoxin analogues isolated from the dinoflagellates Gymnodinium catenatum.
trichocarpa bud exudates, p-hydroxyacetophenone and benzyl hydroxybenzoate have been identified (English et al.
UV-Chek AM340 hydroxybenzoate ester is an effective free-radical terminator-type uv stabilizer.
Experimental dentifrices were formulated by FGM Dental Products (Joinvile, SC, Brazil) with the following composition: carboxymethyl cellulose, methyl p sodium hydroxybenzoate, sodium saccharinate, mental oil, propyleneglycol, glycerin, sorbitol, flavoring agents, hydrated silica, thickening silica, deionized water, lauril-sodium sulphate and sodium fluoride.
Among the most commonly used preservatives in the conservation of liquid pharmaceutical preparations are sodium benzoate, potassium sorbate, and methyl hydroxybenzoate (methylparaben).
Sodium sulphite, sodium methyl and propyl hydroxybenzoate and sodium calcium edetate were found to be less able to fulfil the essential characteristics of a suitable antimicrobial additive.
Another class of harmful chemicals commonly found in cosmetics is parabens, short for "para hydroxybenzoate.
This data showed complete resemblance with the data reported for methyl 4- hydroxybenzoate [23].
The results indicated that icosyl-p- hydroxybenzoate (7), alpinetin (12), pinostrobin (13), 4',5,6-trihydroxy-7-methoxy-flavone (15), and 2',4',5,7-tetrahydroxyisoflavone (16) showed good antioxidant values 0.
Mehta and Isayev (10, 11) reported that mixtures of PEEK and a TLCP composed of 73% hydroxybenzoate, HBA, and 27% hydroxynaphthanoate, HNA, formed immiscible blends, but the addition of the TLCP improved the processability of PEEK.
Researchers at Cytec Industries have found that recently developed hindered hydroxybenzoate (HB) light stabilizers (non-basic forms of phenolic antioxidant) offer significant advantages in combination with primary and secondary antioxidants plus high-molecular weight (HMW) HALS light stabilizers.