نتایج جستجو برای: rancimat test
تعداد نتایج: 812204 فیلتر نتایج به سال:
This study aimed to evaluate the influence of Capsicum baccatum L. Aji Angelo and Bishop crown cultivars quality parameters flavoured olive oils (FOOs) obtained by addition both fresh dried pepper powders (1%) Dolce di Rossano Roggianella monovarietal extra virgin (EVOOs). First, extracts were investigated for their total phenolic, flavonoid, carotenoid content as well phenolic acids, fatty aci...
Coratina is a very popular olive cultivar, native of the Apulian region (Italy), but today worldwide cultivated and appreciated. In present study, durability monovarietal extra virgin oils (CMOO), produced in Molise (Southern Italy), was investigated up to 6-years storage metal tin cans, under room temperature darkness. Durability considered time which an oil remained food grade. Yearly, free f...
Abstract The purpose of this study was to evaluate the thermal stability rice bran extract (RBE) and analyze effect RBE on shelf-life sunflower oil quality characteristics baked cake. evaluated by a Rancimat test using oil. Properties such as moisture content, porosity, crumb density pore area cakes with synthetic antioxidant butylated hydroxytoluene (BHT) were compared. Sensory properties tast...
The antioxidant properties and polyphenol content of some selected aromatic plants grown in Greece were studied. Plants were refluxed with 60% methanol after acid hydrolysis. The phenolic substances were quantified by High Performance Liquid Chromatography-Diode Array Detector (HPLC-DAD). The antioxidant capacity of the extracts was determined with the Rancimat test using sunflower oil as subst...
Aromatic plants contain natural antioxidant constituents such as phenolic compounds, which have attracted a great deal of public and scientific interest because of their health-promoting effects as antioxidants. Five plants, Filipendula ulmaria (meadow sweet), Crataegus monogyna (hawthorn), Polygonum aviculare (polygonum), Potentilla anserina (silverweed), and Pelargonium purpureum (little robi...
This study investigates the effect of soursop flowers methanolic extract on the physicochemical characteristics of palm olein during accelerated storage. After analysis of the extract by determining its total phenolic content by colorimetry and identification of some of its phenolic antioxidants by HPLC-DAD(Diode Array Detector), preliminary antioxidants tests have been done. After that, the ex...
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