نتایج جستجو برای: bha
تعداد نتایج: 754 فیلتر نتایج به سال:
نتایج تجزیه gc/ms اسانس مرزه باغی، مواد تشکیل دهنده عمده آن را کارواکرول (5/24%)، تیمول (12/23%)، گاماترپینن (72/20%) و پاراسیمن (52/6%) نشان داد. میزان ترکیبات فنولی اسانس مرزه و عصاره گزنه به ترتیب 27/22 ± 71/293 و 48/16 ± 49/195 mg معادل گالیک اسید در میلی لیتر نمونه به دست آمد. در آزمون dpph°، ic50 اسانس مرزه و عصاره گزنه به ترتیب 01/0 ± 71/0 و mg/ml 02/0 ± 76/1 بود. در آزمون abts°+، غلظت m...
Dissolution of carbonate platforms, like The Bahamas, throughout Quaternary sea-level oscillations have created mature karst landscapes that can include sinkholes and off-shore blue holes. These features are flooded by saline oceanic waters meteoric-influenced groundwaters, which creates unique groundwater environments ecosystems. Little is known about the modern benthic meiofauna, foraminifera...
Background: Mayonnaise is one of the food emulsions (O/W) that is used as a condiment in various foods. Objective: Linseed oil (containing omega-3 fatty acids) was used at the replacement levels of 10, 15 and 20% of soybean oil in mayonnaise formulation and the sensory properties of samples were evaluated. Methods: In the second part of this research, the Zataria multiflora Boiss. (Z...
مقدمه: اکسایش چربیها منجر به کاهش ویژگیهای حسی و ارزش تغدیهای روغنها میگردد. از جمله روشهای موثر جهت کاهش شدت اکسایش، افزودن ضداکسایندهها است. با توجه به اثرات جانبی نامطلوب ضداکسایندههای سنتزی، مانند امکان ایجاد جهش و یا سرطان، امروزه ترکیبهای طبیعی دارای ویژگیهای ضداکسایشی به عنوان جایگزینی برای ترکیبهای متداول سنتزی مورد توجه قرار گرفتهاند. هدف از این تحقیق، بررسی اثرات ضداکسایش...
Introduction and Aim: Antioxidants are frequently used as active ingredients in anti-aging supplements with the intention of preserving health preventing diseases. However, recent research has concentrated on conventional therapies that have a long history successfully treating several C. papaya is good alternative exhibits significant antioxidant, diuretic, antihyperglycemic, anticancer, analg...
Background The longstanding and common use of hyaluronic acid (HA) has driven the expanded development various commercial HA fillers. However, differences in components these fillers lead to variations their effect. We compared <i>in vivo</i> safety efficacy biphasic (BHA) a new monophasic (MHA) for improving facial wrinkles. investigated outcomes after injection into nasolabial fol...
background: mayonnaise is one of the food emulsions (o/w) that is used as a condiment in various foods. objective: linseed oil (containing omega-3 fatty acids) was used at the replacement levels of 10, 15 and 20% of soybean oil in mayonnaise formulation and the sensory properties of samples were evaluated. methods: in the second part of this research, the zataria multiflora boiss. (zmeo) and s...
The water and MeOH extracts of the stems of Quercus coccifera L. are screened for their radical scavenging activity against 2,2-diphenyl-1-picryl hydrazyl (DPPH), superoxide (SO) and nitric oxide (NO) radicals spectroscopically. Dose dependent radical scavenging activity was observed and the results were found to be comparable to that of known antioxidant compounds BHA (3-t-butyl-4-hydroxyaniso...
Ceylon cinnamon and clove essential oils as promising free radical scavengers for skin care products
Abstract Due to adverse effects of free radicals on human skin and increasing consumer demand for natural ingredients, essential oils from basil, Ceylon cinnamon bark, clove, juniper, lavender, oregano, rosemary, tea tree, thyme, ylang-ylang were assessed their antiradical activity. The evaluated in the concentration range 5—0.1 mg·mL −1 , which three reference synthetic antioxidants are most o...
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