Recently added articles from JAOCS, Journal of the American Oil Chemists' Society:

Correlation of Rheological and Microstructural Properties in a Model Lipid System

May 01, 2008; Liang, Baomin; Shi, Yuping; Hartel, Richard W ... Abstract Model systems having different microstructures and rheological properties were obtained by controlled crystallization from a mixture of high-melting and low-melting lipids. Based on analysis of confocal scanning light microscopic images, the microstructural characteristics of ...

In Situ Rheo-NMR Measurements of Solid Fat Content

May 01, 2008; Mazzanti, Gianfranco; Mudge, Elizabeth M; Anom, Emmanuel Y ... Abstract The properties of crystallized fats depend on their solid fat content (SFC) and their fractal structures. The SFC and the structures are dramatically affected during crystallization under shear flow. A mini-Couette cell was developed to crystallize fat samples under shear. The ...

Surface Melting in Alkane Emulsion Droplets as Affected by Surfactant Type

May 01, 2008; Gülseren, Ibrahim; Coupland, John N ... Abstract The influence of surfactant type (Tween 20, Tween 40, Tween 60, Tween 80, Brij 58, Triton X-100, SDS, STS) on the crystallization and melting characteristics of emulsified (mean droplet diameter 0.52 µm) n-octadecane and n-eicosane were studied using microcalorimetry. The ...

Insight into the Enzymatic Degumming Process of Soybean Oil

May 01, 2008; Yang, Bo; Zhou, Rong; Yang, Ji-Guo; Wang, Yong-Hua; Wang, Wei-Fei ... Abstract An enzymatic degumming trial of soybean oil was carried out at a capacity of 400 tons/day by applying microbial phospholipase A^sub 1^ from Thermomyces lanuginosus/Fusarium oxysporum. When the pH was kept in the range of 4.8-5.1, less than 10 mg/kg of phosphorous content of The ...

Separation and Determination of Functional Complex Lipids from Chicken Skin

May 01, 2008; Yunoki, Keita; Kukino, Osamu; Nadachi, Yoshitaka; Fujino, Takehiko; Ohnishi, Masao ... Abstract Complex lipids including sphingolipid and plasmalogens were expected to be used as functional supplement, although their physiological activities have not been fully demonstrated. Although these complex lipids exist voluminously in brain and nervous tissues, hardly any animal ...

Muscle Lipids and Fatty Acid Profiles of the Sea Catfish (Arius madagascariensis) in Madagascar Inland Waters

May 01, 2008; Rasoarahona, J R E; Ramanoelina, P A R; Bianchini, J-P; Gaydou, E M ... Abstract Muscle lipids and fatty acids (FA) of catfish Arius madagascariensis were determined in catfish caught in the Betsiboka River, Madagascar, during a 5-month sampling period. Total lipids from muscle were extracted and quantified. Fatty acids were identified by means of gas ...

Sensorial and Physico-Chemical Characterization of Virgin Olive Oils Produced in Çanakkale

May 01, 2008; Ögütçü, Mustafa; Mendes, Mehmet; Yilmaz, Emin ... Abstract The objective of the present study was to characterize the virgin olive oils (28 samples from the 2005-06 seasons) produced in the Çanakkale region. The total phenolics of the samples ranged from 34.60 to 162.61 mg gallic acid/kg. Similarly, antioxidant capacity was indicated by ...

Fatty Acid Composition, Antioxidant Properties, and Antiproliferative Capacity of Selected Cold-Pressed Seed Flours

May 01, 2008; Parry, John W; Cheng, Zhihong; Moore, Jeffrey; Yu, Liangli Lucy ... Abstract Cold-pressed seed flours from pumpkin, parsley, mullein, cardamom, and milk thistle were examined for total oil, fatty acid profile of the oil, total phenolic content (TPC), scavenging activities against peroxyl (ORAC), hydroxyl (HOSC) and 2,2-diphenyl-l-picrylhydrazyl (DPPH) ...

Primary Hydroxyl Content of Soybean Polyols

May 01, 2008; Ionescu, Mihail; Petrovic, Zoran S; Wan, Xianmei ... Abstract Polyurethanes are obtained by reacting polyols with polyisocyanates. The primary hydroxyl content is a very important characteristic of polyols because it affects their reactivity. Typically primary hydroxyls are approximately threefold more reactive than the secondary hydroxyls ...

Effects of Crude Rice Bran Oil Components on Alkali-Refining Loss

May 01, 2008; Aryusuk, Kornkanok; Puengtham, Jiraporn; Lilitchan, Supathra; Jeyashoke, Narumon; Krisnangkura, Kanit ... Abstract The effects of minor components in crude rice bran oil (RBO) including free fatty acids (FFA), rice bran wax (RBW), γ-oryzanol, and long-chain fatty alcohols (LCFA), on alkali refining losses were determined. Refined palm oil (PO), soybean oil (SBO) and sunflower oil (SFO) ...

Low trans-Fat Spreads and Shortenings from a Catalyst-Switching Strategy

May 01, 2008; Jackson, Michael A; List, Gary R; Palmquist, Debra ... Abstract Low trans fatty acid basestocks suitable for blending with liquid oils to make spreads and shortenings are prepared by using a two-step hydrogenation process. The first step uses a nickel catalyst to hydrogenate soybean, canola, high-oleic sunflower, and high-oleic safflower ...

Changes in Tocopherols, Tocotrienols, and Fatty Acid Contents in Grape Seed Oils during Oxidation

May 01, 2008; Kim, Hoikyung; Kim, Sang-Gyun; Choi, Youngmin; Jeong, Heon-Sang; Lee, Junsoo ... Grape seeds are waste products of the wine and grape juice industry. However, grape seeds have recently been utilized for the production of seed oil. Grape seed oil (GSO) is generating increased interest as a functional food product since it has been shown to contain high levels of vitamin E, ...

Oil Content and Fatty Acid Profiles of Seed Oil from the Genus Lavandula

May 01, 2008; Urwin, Nigel Alexander Russell; Mailer, Rodney J ... Sir The genus Lavandula is comprised of 39 species and several hybrids of woody perennial plants some of which have long been grown for their essential oil, which is extracted by steam distillation from floral tissue. The major cultivated lavenders are varieties of Lavandula angustifolia ...

Promising New Oil Derived from Seeds of Chamomilla recutita (L.) Rauschert Produced in Southern Brazil

May 01, 2008; Pereira, N P; Cunico, M M; Miguel, O G; Miguel, M D ... Dear Sir, There is growing interest in plants with medicinal properties, and it is well recognized that Brazil is a country with one of the richest floras in the world. Paraná State, southern Brazil is a substantial producer of chamomile [Chamomilla recutita (L.) Rauschen], most of which ...