Showing papers in "Journal of Food Engineering in 2009"

TL;DR: In this article, the authors presented some of the LCA studies on agricultural and industrial food products, recent advances in LCA and their application on food products and reviewed literatures indicate that agricultural production is the hotspot in the life cycle of food products.

TL;DR: A review of applications of supercritical fluid technology in fatty acid/lipid extraction using carbon dioxide is presented in this article, where a summary of commercial applications and examples of recent developments of SFE in the food processing industry are also reviewed.

TL;DR: The validation of a RFID smart tag developed for real-time traceability and cold chain monitoring for food applications proved that this system presents important advantages regarding conventional traceability tools and currently used temperature data loggers such as more memory, reusability, no human participation and more resistance to humidity and environmental conditions.

TL;DR: In this paper, the authors examined the effect of ultrasound treatment on physical properties of soy proteins and found that 20 kHz probe ultrasound leads to significant changes in conductivity, increased solubility for SPC, significantly increased specific surface area that is of interest in food texture and increased values of emulsion activity index.

TL;DR: In this paper, the drying kinetics of Mentha cordifolia Opiz ex Fresen (Mint) were investigated under various drying conditions, including microwave vacuum drying, hot air drying, and hot water drying, with three microwave intensities i.e. 8.0, 9.6, and 11.2.

TL;DR: In this article, the authors reviewed the history of radio frequency (RF) heating and introduced the basic principle of this technology including how it is applied and how it differs from other forms of heating, highlighting the impact of this form of heating on general quality aspects of foods.

TL;DR: In this article, a powder food colorant was obtained by co-current spray drying of O. stricta fruit juices with a bench-scale two fluid nozzle spray dryer.

TL;DR: Chitosan/tripolyphosphate nanoparticles were prepared and incorporated in hydroxypropyl methylcellulose (HPMC) films and FT-IR and TEM analyses of the nanoparticles, mechanical properties, water vapor permeability, thermal stability, scanning electron microscopy (SEM) of the films were analyzed.

TL;DR: In this article, aqueous microwave-assisted extraction of total phenols from black tea powder was investigated in an ordinary household microwave oven, and the results varied depending on how the ratio was modified (that is at either constant tea mass or water volume), due to the characteristics of microwave heating.

TL;DR: In this article, the optimal operating conditions for the extraction of phenolic compounds from grape marc and elder berry have been investigated, and the results showed that the degradation of the anthocyanins during storage was higher, which led to the loss of the intensive colour.

TL;DR: The effect of different parameters such as high hydrostatic pressure (HHP) (200, 400, 600, MPa), ethanol concentration (20-100%), time (30-90 min), and temperature (20 −70°C) was studied for the optimal anthocyanin extraction from red grape skins.

TL;DR: It is demonstrated that hyperspectral imaging technique coupled with the SID based image classification method could be used for discriminating citrus canker from other confounding diseases.

TL;DR: In this article, the effect of air temperature on the physicochemical and nutritional properties and antioxidant capacity of Aloe vera (Aloe barbadensis Miller) gel was investigated.

TL;DR: In this article, a semi-theoretical thin layer model for modeling the air drying of cocoa beans with overnight tempering at ambient temperature was developed, which was a combination of the Page and two-term drying model.

TL;DR: In this article, the effects of various spray drying conditions (feed solids content, drying temperature, degree of homogenization and initial droplet size) on the surface composition of industrial spray-dried milk powders (skim milk powder and whole milk powder) were investigated.

TL;DR: In this article, a solution casting method was used to determine the physical and antimicrobial properties of WPI-based composite films with three different types of nano-clays, Cloisite Na +, Cloisitic 20A, and Cloisites 30B. The resulting films exhibited an opaque appearance and haze.

TL;DR: In this paper, the impact of sugar (17.6-31.2%) and fat (8.7-15.8%) levels on cookie structure was studied and the surface cracking pattern was determined by sugar level rather than by structural collapse at the end of baking.

TL;DR: In this article, the authors evaluated the water adsorption isotherms and glass transition temperature (Tg) of powdered acai juice by spray drying using different materials as carrier agents.

TL;DR: In this paper, the effect of ultrasound-assisted osmotic dehydration applied for different lengths of time on pineapple tissue structure was evaluated using distilled water as the liquid medium, ultrasound induced disruption of cells and formation of microscopic channels in the fruit structure but did not induce breakdown of the cells.

TL;DR: In this article, a response surface methodology was used to optimize operating conditions of the drying of olive leaves in a tray drier and desirability function was used as the methodology for the optimization.

TL;DR: The significantly very low sugar:acid ratio of the least commonly grown ‘wild’ pomegranate explains its characteristic intense ‘sweet and sour’ taste in comparison with the other cultivars studied.

TL;DR: An edible film plasticized with glycerol and sorbitol was successfully prepared from a sole skin gelatin, and its antioxidant properties (total phenolics, reducing ability by the FRAP assay, radical scavenging capacity by the ABTS assay, iron (II) chelation activity) were determined as discussed by the authors.

TL;DR: In this paper, the physical and chemical properties of five types of ginger powders with particles size of 300, 149, 74, 37 and 8.34μm were investigated, and the results showed that the size was smaller for ginger powder, greater for the surface area (from 0.331 to 1.320 m2/g) and bulk density ( from 0.3069 to 0.3426 mg/ml) and smaller for the angle of repose (from 51.50° to 46.33°).

TL;DR: The biphasic model produced the best fit of the inactivation data compared to other non-linear models, and showed extensive cell damage and breakage on E. coli K12 cells treated by MS, TS, and MTS.

TL;DR: The rheological properties of Alyssum homolocarpum seed mucilage as influences of gum concentrations (15, 2, 25, 3, 35% and 4%), salt concentrations (CaCl2 and MgCl2 from 0 to 0049 M; NaCl and KCl from 0-017 M; and sucrose concentration (0% to 40%) were also evaluated at 3% weight/weight (w/w).

TL;DR: In this article, the authors developed a new and green alternative technique for the extraction of essential oil from citrus peels using the hydro-diffusion phenomenon generated by microwaves to extract essential oils from the inside to the outside of the biological material.

TL;DR: In this paper, composite, bi-layer and laminated biodegradable films based on gelatin and chitosan were developed to determine film barrier and mechanical properties and to characterize their microstructure.

TL;DR: In this paper, the influence of drying conditions (air temperature and relative humidity) on mechanical properties, solubility in water, and color of two kinds of soy protein isolate film (CSPI and other obtained under laboratory conditions (LSPI) were evaluated using the response surface methodology (RSM).

TL;DR: In this article, the binary combination of agar (AG), cassava starch (CAS) and arabinoxylan (AX) was studied with regard to their microstructure, moisture barrier and mechanical properties, showing that AG is able to provide a very good cohesive matrix, which contributes to enhance the mechanical properties of other polysaccharide based films.

TL;DR: In this article, the structure of the cellulose acetate (CA) films was changed from highly asymmetric and porous to dense by modulating the composition of the initial casting solution.