research article effect of ethyl oleate pretreatment on

Ethyl Oleate

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Antioxidant Effect of C60 and C70 Fullerene in the

The antioxidant properties of C 60 and C 70 fullerenes were studied spectrophotometrically in ethyl oleate It was found that C 60 is oxidized to fullerene oxide by scavenging the peroxy radical formed in the allylic position to the double bond of ethyl oleate The scavenging rate constant of C 60 has been measured and found considerably higher than that of C 70

Effects of open

Effects of open-air sun drying and pre-treatment on drying characteristic of purslanes (Portulaca oleracea L ) were investigated Drying times were determined as 31 24 and 9 h for natural salted and blanched respectively The higher "L" value and lower "−a/b" ratio values were obtained in natural dried purslane The Aghbashlo et al model gave a better fit to drying data

DRYING OF CHILI PEPPER IN DIFFERENT CONDITIONS

On the other hand pretreatment with ethyl oleate has positive effects on drying conditions of chilli pepper Doymaz and Pala (2002) showed that fresh peppers immersed with 2% ethyle oleate had an accelerated drying rate shorter drying time and produced a product with its attractive color of fresh product

The effect of in vivo oestrogen pretreatment on the

Abstract 1 The effect of oestradiol pretreatment was investigated on the response of rat isolated detrusor muscle to cholinergic electrical and 5-hydroxytryptamine (5-HT) stimulation with and without diethylstilbestrol (DES) (2 microM) in the organ bath

Effect of Harvesting Dates on Yield Color and Quality of

ventilated rooms after pre-drying treatment with alkaline emulsion of ethyl oleate (2 4% K2CO3 plus 1 5% ethyl oleate) with ascorbic acid 1000 ppm Results: Well matured grapes which are harvested between 19th April to 1st May (20 days after local harvest) recorded lowest brown and mixed colored raisins and correspondingly increased

Esterification synthesis of ethyl oleate catalyzed by

product ethyl oleate Figure 3(c) shows the effect of the amount of ethanol on the esterification of oleic acid with ethanol The highest conversion of oleic acid was 94 6% with an ethanol to oleic acid mole ratio of 3:1 5 wt% (based on the mass of oleic acid) a reaction

Effect of Hair Pigment on the Incorporation of Fatty Acid

Jan 16 2009Deuterated FAEE (D-5 ethyl myristate D-5 ethyl palmitate D-5 ethyl oleate and D-5 ethyl stearate) were used as internal standards for each sample Extraction solvents (500 μl DMSO and 2 ml heptane) were added to each sample The samples were then placed in a VWR mini shaker at 1200 rpm for 15 h

African Journal of Agricultural Research

Golden berry (Physalis peruviana L ) has scientifically proven medicinal properties This research was aimed to investigate the effect of alkaline ethyl oleate and sucrose solution pretreatments as well as drying temperature on the drying kinetics of golden berry Based on this golden berries were dipped in alkaline ethyl oleate solution (2% ethyl oleate + 4% potassium carbonate) at

Effect of ethyl oleate on the rate of air

Jan 01 1988In the case of maize the pretreatment with ethyl oleate was more effective with high-moisture sweet corn 268 G D Saravacos S N Marousis G S Raouzeos 1 0 0 8 0 6 X/Xfl 0 4 0 2 0 4 8 12 16 20 24 t h Fig 4 Effect of ethyl oleate on the rate of drying of seedless grapes in air at 60 and 2 rn/s

Effect of Ethyl Oleate Pretreatment on Drying of Ginger

Effect of Ethyl Oleate Pretreatment on Drying of Ginger: Characteristics and Mathematical Modelling By A Waheed Deshmukh Mahesh N Varma Chang Kyoo Yoo and Kailas L Wasewar No static citation data No static citation data Cite

Determination of Ethyl Palmitate Ethyl Oleate and Ethyl

Cite this article: LIU Yifei LIAN Zhe LIANG Luning et al Determination of Ethyl Palmitate Ethyl Oleate and Ethyl Linoleate in Liquor by Gas Chromatography-Mass Spectrometry (GC-MS)[J] Forensic Science And Technology 2016 41(2): 111-115 URL:

Effect of Time and Storage Temperature on Anthocyanin

Mar 14 2013Effect of ethyl oleate pretreatment on blueberry (Vaccinium corymbosum L ): drying kinetics antioxidant activity and structure of wax layer Journal of Food Science and Technology 2019 56 (2) 783-791 DOI: 10 1007/s13197-018-3538-7

Modeling of drying kinetic of pretreated sour cherry

The effect pretreatment solutions were higher on reduction time of sour cherry in 50C Dipping in salty boiling water was better than the other solutions It reduced drying time of sour cherry more than 80% In previous research results the effect of ethyl oleate has been found a good pretreatment solution in drying of some fruits

Studies on Various Concentrations of Antioxidants with

Jun 09 2017solution i e alkaline emulsion of ethyl oleate (AEEO 2 4% K 2 CO 3 + 1 5% ethyl oleate) as a pretreatment effectively reduced browning in raisins (Sharma et al 2012) Green color retention is one of the major concerns in raisin production hence the study was carried out to find the effect of various

Drying Kinetics and Rehydration Characteristics of

The effect of pretreatment (0 5% citric acid solution) and drying air temperature (40 50 60 and 70C) on drying characteristics of button mushroom slices was investigated in a cabinet dryer The experimental results show that the drying temperature and pretreatment have significant effects on the moisture removal from mushroom In addition rehydration ratio of pretreated

Synthesis of Dioxo

Synthesis of Dioxo-Dioxane and Dioxo-Dioxepane Ethyl Oleate Derivatives as Bio-Lubricant Base Stocks In this study two novel compounds i e ethyl 8-(3-octyl-5 6-dioxo-1 4-dioxan-2-yl)octanoate and ethyl 8-(3-octyl-5 7-dioxo-1 4-dioxepan-2-yl)octanoate were prepared from oleic acid as the starting material total base number and iodine

The effect of dipping pretreatment on ochratoxin A

The dipping pretreatment on the occurrence of ochratoxin A (OTA) in sultanas and currants was investigated Grape samples were divided into two groups before a drying process One group was dipped with potassium carbonate-ethyl oleate and the

Effect of Ethyl Octanoate and Ethyl Oleate on the

The objective of this study was to evaluate the application of esters as gasoline additives based on physicochemical characterization analyzes Reid vapor pressure density distillation curves and rheological profile of pure gasoline and its mixture with esters (ethyl octanoate and ethyl oleate) at different concentrations (0 2 5 5 15%) were analyzed

Color retention of red peppers by chemical pretreatments

Abstract The color of Paprika which is one of the most important quality measured is drastically affected by the drying process of red peppers This study aimed to measure ability of three different chemical solutions ((I) 2% ethyl oleate (II) 2% ethyl oleate + 2% NaOH (III) 2% ethyl oleate + 2% NaOH + 4% potassium carbonate in w/v) on the color retention of dehydrated red

ANTIOXIDANT ACTIVITY SOME NUTRITIONAL AND COLOUR

by using the ethyl oleate pretreatment Water blanching also shortened the drying time but the effectiveness of this pretreatment was found to be lower than that of the ethyl oleate application In different drying studies some chemical applications with ethyl oleate gave better results for different materials The short drying time of the vacuum

Effect of pre

apricots drying pretreatment oleic acid fatty acid esters diffusivity mathematical models kinetics Abstract: The effect on the drying time of apricot samples investigated when a pre-treatment applied using a combination of potassium metabisulphide and alkaline ethyl oleate solutions resulted in a reduction in drying time compared to