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Results 201 - 250 of 683
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Kontogianni Meropi D - - 2007
BACKGROUND: According to epidemiological and metabolic studies monounsaturated fatty acids (MUFAs) seem to exert a protection against coronary heart disease (CHD) risk. The aim of the present study was to evaluate the association between the pattern of edible oils and fats consumption and the prevalence of a first, nonfatal event ...
Casale Monica - - 2007
An electronic nose and an UV-Vis spectrophotometer, in combination with multivariate analysis, have been used to verify the geographical origin of extra virgin olive oils. Forty-six oil samples from three different areas of Liguria were included in this analysis. Initially, the data obtained from the two instruments were analysed separately. ...
Galtier O - - 2007
The authentication of virgin olive oil samples requires usually the use of sophisticated and time consuming analytical techniques. There is a need for fast and simple analytical techniques for the objective of a quality control methodology. Virgin olive oils present characteristic NIR spectra. Chemometric treatment of NIR spectra was assessed ...
Winfried Russ - - 2008
Two cogeneration units were each fitted with a prechamber (IDI) diesel engine in order to test the feasibility of using waste oils from the food industry as a fuel source, and additionally to test emissions generated by the combustion of these fuels. Esterified waste oils and animal fats as well ...
Short Jeffrey W - - 2007
Oil stranded by the 1989 Exxon Valdez spill has persisted in subsurface sediments of exposed shores for 16 years. With annualized loss rates declining from approximately 68% yr(-1) prior to 1992 to approximately 4% yr(-1) after 2001, weathering processes are retarded in both sediments and residual emulsified oil ("oil mousse"), ...
Saliu J K - - 2007
Static bioassays were made to determine acute toxicity of premium motor spirit on poecilia reticulata. Lethal doses of the oil were determined using LC50 software programmes based on Finneys probit statistical method. The 96 LC50 value of the oil for guppy was estimated as 1.69 (1.13-2.43) mg L(-1). The fish ...
Buil-Cosiales Pilar - - 2008
BACKGROUND: Intima-media thickness (IMT) is a valid marker for generalized vascular disease whose main risk factors are associated with food habits and lifestyle. A Mediterranean food pattern may have a protective effect on cardiovascular mortality. OBJECTIVE: To assess the relationship between carotid IMT and olive oil consumption. METHODS: One hundred ...
Panilaitis B - - 2007
AIMS: The need for biocompatible, biodegradable, and versatile biopolymers permeates many fields including environmental and food technology. The goal of the study presented here is to establish the utility of agricultural oils as an inexpensive carbon source to produce materials useful for biomedical materials and offer positive attributes in terms ...
Kumar Rajesh - - 2007
The technology for the production of neem oil coated urea (NOCU) developed by the Indian Agricultural Research Institute is in the pipeline for adaption by several Indian fertilizer industries. Use of nitrification inhibitors is one of the methods of improving the nitrogen use efficiency (NUE) of nitrogenous fertilizers in agriculture. ...
Kalmis Erbil - - 2008
In this study, cultivation of oyster mushroom, Pleurotus ostreatus, on wheat straw substrate containing tap water and olive mill effluent (OME) mixture containing varying volume of OME was studied in order to investigate the feasibility of using OME as an alternative wetting agent and OME's impact on some fundamental food ...
Aursand Marit - - 2007
13C NMR (nuclear magnetic resonance) spectroscopy, in conjunction with multivariate analysis of commercial fish oil-related health food products, have been used to provide discrimination concerning the nature, composition, refinement, and/or adulteration or authentication of the products. Supervised (probabilistic neural networks, PNN) and unsupervised (principal component analysis, PCA; Kohonen neural networks; ...
O.O. Okoh
The variations in the yield and composition of the essential oils from <I>Calendula officinalis </I>L. (Asteraceae) cultivated in Alice, Eastern Cape of South Africa are reported. Essential oils of this plant were obtained by hydrodistillation using the Clevenger apparatus and analysis was performed by GC-MS. The yield in essential oil ...
Totani Nagao - - 2007
After Swedish researchers reported that heated foods such as potato chips and French fries contain acrylamide, the potential for health damage resulting from the consumption of these foods became a widespread concern. Used frying oils collected from food manufacturing companies were subjected to acrylamide determination using GC/MS-SIM, but the compound ...
Chaiyasit Wilailuk - - 2007
Lipid oxidation is important to food manufacturers especially when they increase unsaturated lipids in their products to improve nutritional profiles. Unfortunately, the number of antioxidants available to food manufacturers to control oxidative rancidity is limited and the approval of new antioxidants is unlikely due to economic barriers in obtaining government ...
Raschke Verena - - 2007
BACKGROUND: Knowledge of traditional African foods and food habits has been, and continues to be, systematically extirpated. With the primary intent of collating data for our online collection documenting traditional African foods and food habits (available at: www.healthyeatingclub.com/Africa/), we reviewed the Oltersdorf Collection, 75 observational investigations conducted throughout East Africa ...
Totani Nagao - - 2007
Used frying oil recovered from food manufacturing companies in Japan and recycled often shows lower carbonyl (COV) and peroxide values (POV) than oil simply heated at 180 degrees C for 20 h does. In this study the reasons for the low COV of oil used for deep-frying were investigated by ...
Gladding Patrick - - 2007
Trans fats (trans fatty acids) are commonly used for deep frying in restaurants and in the fast food, snack food, fried food, and baked goods industries, often to extend the shelf life of foods. However they are widely considered to be harmful to health. Trans fats were banned in New ...
Blumberg Sara - - 2007
Equivolumetric gastric preloads of corn oil and mineral oil administered to rats on postnatal day 12 (P12) inhibited intake equally during a 30-min test of independent ingestion (II), but preloads of corn oil inhibited intake significantly more than preloads of mineral oil on P15 and P18 [Weller, A., Gispan, I.H., ...
Guzey Demet - - 2006
The formation of multilayered interfaces around oil droplets in oil-in-water emulsions provides food technologists with a novel means of improving the quality and stability of many food products, as well as the ability to develop novel encapsulation and delivery systems. This article reviews the basic principles of multilayer emulsion formation, ...
Kumar Rajesh - - 2007
Essential oil extracted from the leaves of Chenopodium ambrosioides Linn. (Chenopodiaceae) was tested against the aflatoxigenic strain of test fungus Aspergillus flavus Link. The oil completely inhibited the mycelial growth at 100 microg/ml. The oil exhibited broad fungitoxic spectrum against Aspergillus niger, Aspergillus fumigatus, Botryodiplodia theobromae, Fusarium oxysporum, Sclerotium rolfsii, ...
Andjelkovic Dejan D - - 2006
The structural isomers formed by the homogeneous rhodium-catalyzed isomerization of several vegetable oils have been elucidated. A detailed study of the isomerization of the model compound methyl linoleate has been performed to correlate the distribution of conjugated isomers, the reaction kinetics, and the mechanism of the reaction. It has been ...
Victor N. Enujiugha
Maize ogi is a popular starchy porridge in the west coasts of Africa. Although consumed by adults as a breakfast cereal, its main use is as a weaning food for infants. In this study, the quality of ogi from a composite mixture of maize (Zea mays L.) and oil bean ...
Fisher K - - 2006
AIMS: To investigate the effectiveness of oils and vapours of lemon (Citrus limon), sweet orange (Citrus sinensis) and bergamot (Citrus bergamia) and their components against a number of common foodborne pathogens. METHODS AND RESULTS: The disc diffusion method was used to screen the oils and vapours against Listeria monocytogenes, Staphylococcus ...
Bayarri Sara - - 2006
Decreasing the fat content of a food, while maintaining the same aroma content, changes both aroma release (due to partition effects) and the viscosity of the food. To understand the relative contribution of these two factors on flavor perception, a series of flavored emulsions were prepared to control aroma release ...
Vendl Oliver - - 2006
In addition to the importance of many Dioscorea species (yams) as starchy staple food, some representatives are known and still used as a source for the steroidal sapogenin diosgenin, which, besides phytosterols derived from tall-oil, is an important precursor for partial synthesis of steroids for pharmaceutical research and applications. While ...
Chang Kyu-Sik - - 2006
Patch and skin bioassays were used in laboratory and indoor tests to evaluate the repellency of (E)-cinnamaldehyde, identified in Cinnamomum cassia Blume bark and essential oil, and a cream containing 5% (w/w) cassia oil against Aedes aegypti (L.) females. Results were compared with those of a known C. cassia compound ...
Hunter J Edward - - 2006
Dietary trans FA at sufficiently high levels have been found to increase low density lipoprotein (LDL)-cholesterol and decrease high density lipoprotein (HDL)-cholesterol (and thus to increase the ratio of LDL-cholesterol/HDL-cholesterol) compared with diets high in cis monounsaturated FA or PUFA. The dietary levels of trans FA at which these effects ...
Brisaert M - - 2007
In this investigation, the photodegradation of some tretinoin cream formulations was evaluated. Several oils were selected to prepare the cream formulations: olive oil, maize oil, castor oil, isopropyl myristate and Miglyol 812. A solubility study showed that tretinoin is best soluble in castor oil (0.60g/100ml), followed by isopropyl myristate, maize ...
Al-Thukair A A - - 2007
Cyanobacterial mats are found at various locations along the coast of the Eastern Province of Saudi Arabia. Those mats were affected by severe oil pollution following 1991 oil spill. In this study, samples from Abu Ali Island were collected at three selected sampling sites across the intertidal zone (Lower, Middle, ...
Teuten Emma L - - 2007
To provide additional evidence that several halogenated organic compounds (HOCs) found in environmental samples are natural and not industrially produced, we analyzed an archived whale oil sample collected in 1921 from the last voyage of the whaling ship Charles W. Morgan. This sample, which pre-dates large-scale industrial manufacture of HOCs, ...
Alvarez María del Carmen Mdel - - 2006
Methylmercury (MeHg), the organic form of mercury, bioaccumulates easily through the food chain. Fish in high trophic levels can accumulate substantial levels of MeHg and transfer it to their developing eggs. Here, the effects of maternally derived MeHg on the planktonic larval stage of Atlantic croaker were investigated. Adult Atlantic ...
Patel Nilesh - - 2006
The preparation of nonaqueous microemulsions using food-acceptable components is reported. The effect of oil on the formation of microemulsions stabilized by lecithin (Epikuron 200) and containing propylene glycol as immiscible solvent was investigated. When the triglycerides were used as oil, three types of phase behavior were noted, namely, a two-phase ...
Fankhauser-Noti Anja - - 2006
Injector-internal thermal desorption is a promising technique for the analysis of a wide range of food components (e.g., flavors) or food contaminants (e.g., solvent residues, pesticides, or migrants from packaging materials) in edible oils and fats or fatty food extracts. Separation from the fatty matrix occurs during injection. Using programmed ...
Alali Feras Q - - 2006
As part of our continuing investigation of Jordanian Colchicum species, (-)-colchicine content in C. brachyphyllum Boiss. & Haussk. ex Boiss and Colchicum tunicatum Feinbr (Colchicaceae), growing wild in Jordan, was determined during different growth stages. Using external reference standard, a reverse-phase gradient photo-diode array high performance liquid chromatography (PDA-HPLC) method ...
Jones T Todd TT Department of Biological Sciences, Florida Atlantic University, Boca Raton, Florida, USA. - - 2007
Changes in activity related oxygen consumption were measured in leatherback and olive ridley sea turtle hatchlings over their first month after emergence from the nest. Leatherbacks emerged with 75-90 KJ of energy in the residual yolk for growth and activity whereas olive ridleys emerged with 45 KJ. In leatherbacks (n=8), ...
Díaz-Maroto M Consuelo - - 2006
Comparison of the volatile composition of fennel (Foeniculum vulgare Mill.) has been carried out using direct thermal desorption (DTD) coupled to gas chromatography-mass spectrometry. Forty-two wild fennel stem samples were collected in two different geographical areas of Central Spain. DTD allowed a high recovery of volatiles from small sample sizes ...
Czerwiecki L - - 2006
In 2004-2005, samples of several selected Polish foods such as cereal products, nuts, dried fruits, coffee and culinary spices collected from Warsaw market and taken from food producers were analyzed on presence of aflatoxin B1, B2, G1, G2 (AF), ochratoxin A (OTA), zearalenone (ZEA) and deoxynivalenol (DON). After extraction and ...
Hall Jean A - - 2006
The purpose of this study was to determine whether the dose of (n-3) fatty acids (FA) administered, independent of the relative ratio of (n-6) to (n-3) FA in the food, influences plasma FA composition in dogs. Healthy female, geriatric beagles (7-10 y old) were fed foods containing (n-6) to (n-3) ...
Pauliukaite Rasa - - 2006
An amperometric biosensor has been developed for measurement of Umami, or the taste based on the amount of L-glutamate, in tomato foods. The biosensor is based on an enzyme-mediator system in which L-glutamate oxidase is used for biochemical oxidation of L-glutamate and a tetrafulvalene-tetracyanoquinodimethane (TTF-TCNQ) paste, prepared from the mixture ...
Modi Mukesh Kumar - - 2007
Ethyl acetate was explored as an acyl acceptor for immobilized lipase-catalyzed preparation of biodiesel from the crude oils of Jatropha curcas (jatropha), Pongamia pinnata (karanj) and Helianthus annuus (sunflower). The optimum reaction conditions for interesterification of the oils with ethyl acetate were 10% of Novozym-435 (immobilized Candida antarctica lipase B) ...
van der Wielen J C A - - 2006
A routine method was developed for the quantification of benzo[a]pyrene (BaP) in edible oils and food supplements. BaP is often taken as an indicator of the presence of polycyclic aromatic hydrocarbons. The method consists of on-line liquid chromatography clean-up followed by injection to an HPLC system with fluorescence detection. The ...
Burnouf T - - 2006
BACKGROUND AND OBJECTIVES: Single-donor or small-pool cryoprecipitates are produced by blood establishments, mostly in developing countries, for substitute therapy in haemophilia A, von Willebrand disease and fibrinogen deficiency, as well as for the manufacture of fibrin sealant. As cryoprecipitate may be contaminated with pathogenic plasma-borne viruses, there is an urgent ...
Sanchez-Muniz F J - - 2006
Diets of developed countries contain substantial quantities of fat subjected to different processing and heat treatments. Heating in the presence of air produces oxidative and thermal degradations in the unsaturated acyl groups of triacylglycerols and in other unsaturated compounds present in the oils and fats. These changes modify the nutritional ...
Alonso Pippo W - - 2007
The goal of the present work was to carry out a review of the disposal practices for the agro-industry's sugarcane residue and the trends of energy use in Cuba. The lack of an alternative energy carrier to electricity with storage capability for use in off-season has to date been an ...
Fabunmi, TO; ;
Maize, soyabean and pigeon pea were inter-planted with a juvenile oil palm plantation in 1999-2002 at the Teaching and Research Farm of the University of Agriculture, Abeokuta (7&#176;15'N, 3&#176;25', altitude 144m above sea level) to evaluate the growth of the interplanted oil palm as well as yield and overall economic ...
Tarrago-Trani Maria Teresa - - 2006
The US Food and Drug Administration's final ruling on trans-fatty acid labeling issued in 2003 has caused a rapid transformation in the fat and oil industries. Novel ingredients and improved technologies are emerging to replace partially hydrogenated fats in foods. We present an overview of the structure and formation of ...
Lalas Stavros - - 2006
The frying performance of Moringa stenopetala seed oil (extracted with cold press or n-hexane) was studied especially as regards repeated frying operations. The oils were used for intermittent frying of potato slices and cod filets at a temperature of 175 degrees C for 5 consecutive days (5 fryings per day). ...
Pisutthanan N - - 2006
The chemical composition of the essential oil from the aerial parts of Chromolaena odorata, collected from Phitsanulok, Thailand was analyzed by means of GC-(FID) and GC-MS. Twenty-two constituents were identified. The major components were pregeijerene (17.6%), germacrene D (11.1%), alpha-pinene (8.4%), beta-caryophyllene (7.3%), vestitenone (6.5%), beta-pinene (5.6%), delta-cadinene (4.9%), geijerene ...
Vlachos N - - 2006
Recent developments in Fourier transform infrared (FT-IR) spectroscopy instrumentation extend the application of this technique to the field of food research, facilitating particularly the studies on edible oils and fats. In this work, FT-IR spectroscopy is used as an effective analytical tool in order: (a) to determine extra virgin olive ...
Manthey John A - - 2006
Preliminary studies have shown that orange peel polymethoxylated flavones (PMFs) exhibit beneficial biological properties in animals. These properties have increased the demands for these compounds as candidate nutraceuticals and specialty food ingredients. Orange oil residues are a likely commercial source of the PMFs, and a rapid, solvent-free method for the ...
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