نتایج جستجو برای: rancimat test

تعداد نتایج: 812204  

Journal: :European Food Research and Technology 2018

Journal: :Italian Journal of Food Science 2021

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...

Journal: :Oilseeds and fats, crops and lipids 2022

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...

Journal: :Food production, processing and nutrition 2022

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...

2017
Charalampos Proestos Theo Varzakas

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...

2008
Charalampos Proestos Ioannis Spyridon Boziaris Maria Kapsokefalou Michael Komaitis

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...

2016
Hilaire Macaire Womeni Fabrice Tonfack Djikeng Naga Satya Surya Prabhakar Iruku Mallampalli Sri Lakshmi Karuna Rachapudi Badari Narayana Prasad Michel Linder

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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