Two lines of investigation supported the premise that killing of Staphylococcus aureus, 502A, by hydrogen peroxide involves formation of the more toxic hydroxyl radical (.OH) through the iron-dependent Fenton reaction. First, growing S. aureus overnight in broth media with increasing concentrations of iron increased their content of iron and dramatically enhanced their subsequent susceptibility...

Abstrac: This study was carried out to investigate the effect sodium benzoate on apple and apricot blend juice. The samples were; apple juice (T ), apricot juice (T ), 75% apple and 25% apricot juice (T ), 50% apple and 50% 1 2 3 apricot (T ), 25% apple and 75% apricot juice (T ). From (T ) to (T ) above concentrations were repeated with 4 5 6 10 0.01% sodium benzoate as preservative. The sampl...

In spite of a large number of investigations, one encounters in the current literature the most diverse statements concerning the fate of salts of benzoic acid in the human organism. Only one fact is apparently accepted by all as settled beyond question, namely, that part of the benzoate is converted into a hippurate through union with glycocoll. Upon the question as to horn nearly this reactio...

The question of whether food additives such as preservatives, artificial flavorings, and artificial colorings trigger hyperactivity has been debated for more than 30 years. Research generally has not supported food additives as influencing hyperactivity—whose characteristics include overactivity, inattention, and impulsive behaviors, traits that in extreme forms define attention deficit/hyperac...

UNLABELLED The naturally occurring compound, fumaric acid, was evaluated as a potential preservative for the long-term storage of cucumbers. Fumaric acid inhibited growth of lactic acid bacteria (LAB) in an acidified cucumber juice medium model system resembling conditions that could allow preservation of cucumbers in the presence of sodium benzoate. Forty millimolars of fumaric acid were requi...

Rhodococcus sp. strain DK17 exhibits a catabolite repression-like response when provided simultaneously with benzoate and phthalate as carbon and energy sources. Benzoate in the medium is depleted to detection limits before the utilization of phthalate begins. The transcription of the genes encoding benzoate and phthalate dioxygenase paralleled the substrate utilization profile. Two mutant stra...

Short vase life and post-harvest losses of cut flowers are major threat to floriculture industry. There different preservative solutions that have been used extend the flowers. Hence, this study was executed at Floriculture laboratory Ayub Agricultural Research Institute, Faisalabad during 2018-2020 explore efficacy on quality roses. were 6 treatments viz, (T1= Distilled water, T2= Silver nitra...