نتایج جستجو برای: bht
تعداد نتایج: 1381 فیلتر نتایج به سال:
An hypothesis for the role of free radicals in cancer was elaborated by D. Harman in 1962 who suggested that it might be possible to reduce the extent of damage caused by free radicals through three dietary changes: (i) caloric reduction, i.e., lowering the level of free radical reactions arising in the course of normal metabolism; (ii) minimize dietary components that tend to increase the leve...
New multipotent antioxidants (MPAOs), namely 1,3,4-thiadiazoles and 1,2,4-triazoles bearing the well-known free radical scavenger butylated hydroxytoluene (BHT), were designed and synthesized using an acid-(base-) catalyzed intramolecular dehydrative cyclization reaction of the corresponding 1-acylthiosemicarbazides. The structure-activity relationship (SAR) of the designed antioxidants was per...
Robust analytical methods were developed for the determination of eight emerging synthetic phenolic antioxidants (SPAs) and three metabolites in sewage sludge, effluent and river water matrices. Accelerated solvent extraction was employed for the extraction of the target analytes from sludge, dichloromethane/hexane=3:1 (extraction solvent) and 90°C (extraction temperature) were used after optim...
To evaluate the relationship of metabolic and neural factors in familial hypertension, we examined blood pressure (BP), blood glucose, and plasma insulin and norepinephrine (NE) levels before and every 30 min for 120 min after glucose ingestion in six groups with 20 subjects each: normotensive subjects (NT) with and without a family history of hypertension; borderline hypertensive patients (BHT...
Protein kinases play a central role in the regulation of normal and neoplastic growth. A novel approach to evaluating this role is to apply the photoaffinity analogue of adenosine 5'-triphosphate (ATP), 8-azido[gamma-32P]adenosine 5'-triphosphate (8-N3-[gamma-32P]ATP), to extracts obtained from nondividing and dividing tissues in order to label high affinity ATP receptors, including protein kin...
Considerable evidence suggests that mitochondrial dysfunction contributes to the toxicity of uranyl acetate (UA), a soluble salt of depleted uranium (DU). We examined the ability of the two antioxidants, beta-glucan and butylated hydroxyl toluene (BHT), to prevent UA-induced mitochondrial dysfunction using rat-isolated kidney mitochondria. Beta-glucan (150 nM) and BHT (20 nM) attenuated UA-indu...
Abstract The stability of organic solar cells (OSCs) remains a major concern for their ultimate industrialization due to the photo, oxygen, and water susceptibility photoactive materials. Usually, antioxidant additives are blended as radical scavengers into active layer. However, it will induce intrinsic morphology instability adversely affect efficiency long-term stability. Herein, dibutylhydr...
بوتیلیتد هیدروکسی تولوئن (bht) یکی از آنتی اکسیدانهای سنتزی بکار رفته بعنوان ماده افزودنی خوراکی و همچنین ماده افزودنی در لوازم آرایشی می باشد. این ماده اثرات زیان آوری را بر سیستم عصبی مرکزی اعمال می کند. لذا هدف مطالعه حاضر بررسی موارد زیر می باشد:1- اثر بوتیلیتد هیدروکسی تولوئن بر یادگیری و حافظه 2- اثر بوتیلیتد هیدروکسی تولوئن بر توزیع گیرنده d1 دوپامین در هیپوکامپ، آمیگدال و مخچه موش صحرای...
Effects of antioxidants butylated hydroxytoluene (BHT, 0.02%), carnosine (1%), and plant extracts rosemary (RE, 1%), pine bark (PBE, 1%) pomegranate (PGE, were investigated on total plate counts, pH, color, lipid oxidation (LPO) in chicken breast meat patties packed modified atmosphere treated with dielectric-barrier-discharge (DBD) cold plasma (CP). The effect mesophilic inactivation (> 50% re...
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