Showing papers in "Food and Bioproducts Processing in 2010"

TL;DR: In this paper, a mixture of alpha-amylase and glucoamylases was used to hydrolyze granular starches to a variable degree at sub-gelatinization temperature, and produced a relatively high degree of conversion.

TL;DR: In this paper, the antioxidative activity of encapsulated natural beet root juice was evaluated during storage at different water activities, and no significant differences in betalain concentration, color, antioxidant activity and redox potential during 45 days.

TL;DR: In this paper, the drying kinetics of fresh and dried onions at different temperatures (varying from 30°C to 70°C) were evaluated at different empirical kinetic models from the literature, and this kinetic study was then complemented with the modelling if terms of Fick's diffusion equation for estimation of the diffusion coefficients.

TL;DR: In this article, two pre-treatments (blanching and 0.5% citric acid) were applied to prior to drying process and it was observed that both the drying temperature and pre-treatment affected the drying time.

TL;DR: Some of the considerations required to scale-up a biocatalytic process and some of the recently developed engineering tools available to assist in this procedure are presented.

TL;DR: In this article, the aqueous enzymatic process of simultaneously preparing oil and protein hydrolysates from peanut was investigated and the optimum parameters for hydrolysis using Alcalase 2.4L were established by the single-factor and orthogonal test.

TL;DR: In this article, alternative, enzymatic clarification strategies of industrially pressed cherry juice were evaluated in a 24−1 factorial design set-up with addition of a pectinase, Pectinex Smash ®, a protease, Enzeco, both enzyme preparations derived from Aspergillus spp., gallic acid, and tannic acid as factors, and determination of turbidity, protein, pectins, and phenolics as responses.

TL;DR: The bioactive flavonoid compounds of Strobilanthes crispus (Pecah Kaca) leaves obtained by using supercritical carbon dioxide (SC-CO2) extraction were investigated and the obtained crude extract yields were compared in order to select the best operation parameters as discussed by the authors.

TL;DR: In this paper, the drying kinetics of kiwifruit are investigated experimentally and theoretically under varying drying conditions and the effects of the governing drying parameters on the vitamin C content as well as on the total drying time are determined.

TL;DR: In this article, the effect of time (1 and 4h), pH (2.0 and 2.5) and temperature (80 and 90°C) on yield and degree of esterification (DE) of durian rind pectin was investigated.

TL;DR: In this paper, the effect of process variables (i.e., alginate M/G ratio, alginates concentration, extract concentration, bead size and bead water content) on encapsulation efficiency and biochemical compounds stability were studied.

TL;DR: In this article, the authors used the response surface methodology (RSM) to optimize the ultrasound-assisted extraction condition, and the results indicated the optimal extraction conditions were an extraction temperature of 68°C, a sonic power of 60 W and an extraction time of 32 min.

TL;DR: Preliminary batch tests were employed to obtain the favorable conditions for lipase activity analysis and found that sucrose, molasses, yeast extract, sunflower oil, tween-80 have significant influences on the lipase production and microorganism growth.

TL;DR: In this article, a crosslinking-entrapment-crosslinking method was used to immobilize β-glucosidase on alginate by the method of cross-linking, and the results showed that the storage stability and reusability of the enzyme were improved significantly with 73.3% activity retention after storing for 42 days and 93.6% residual activity after repeatedly used for 50 times.

TL;DR: In this article, the authors compared nine different thin layer mathematical drying models according to their correlation coefficient, reduced chi-square and root mean square error to estimate vacuum heat pump drying curves.

TL;DR: In this article, the authors examined the effects of PEG molecular weight (PEG 1000, 2000, 4000 and 6000), PEG and potassium citrate concentration, BSA concentration (C BSA ) and pH on BSA partition.

TL;DR: Aloe vera (Aloe barbadensis Miller) gel was dried at five inlet temperatures 50, 60, 70, 80 and 90°C, in a convective dryer with a constant air flow of 2.0-m/s.

TL;DR: In this article, the influence of three cooking methods (boiling, grilling and frying) on the chemical and lipid composition of buffalo meat was evaluated, and it was shown that frying was the worst cooking method regarding human health.

TL;DR: In this article, the statistical analysis of Plackett-Burman experimental results showed that the medium components glucose, peptone, MnSO 4 ·H 2 O, NaCl and NH 4 Cl as the significant components influencing the lovastatin production.

TL;DR: In this paper, a new measuring technique in combination with tailored CFD simulations was developed for monitoring the cleaning of complex piping equipment with pulsed flow, and the results showed an enhancement of cleaning efficiency at locations difficult to access using stationary flow.

TL;DR: In this paper, the authors used magnetic resonance imaging (MRI) techniques to study biofilm accumulation and removal using chemical cleaning on reverse osmosis (RO) membranes and a previously validated biofilm simulation model was modified to account for cleaning operations.

TL;DR: Aloe vera leaves were dried at different temperatures in hot air oven and powder was found 2.60%, 2.55% and 2.52% at 50, 60, 70 and 80°C respectively as mentioned in this paper.

TL;DR: In this paper, the authors used nano-composites coatings to reduce the amount of deformation inside gasketed plate heat exchangers used in milk production, which led to a hydrophobic and oleophobic effect.

TL;DR: In this article, the effects of different parameters such as pressure, temperature, modifier volume and extraction times (dynamic and static) on the supercritical fluid extraction (SFE) of N. persica oil were investigated.

TL;DR: In this article, a thin layer solar drying experiments of silkworm pupae using a solar tunnel dryer were conducted under the tropical weather conditions of Mahasarakham, Thailand, where the dryer consisted of a transparent glass covered flat-plate collector and a drying tunnel connected in series to supply hot air directly into the drying tunnel using a blower.

TL;DR: In this article, the authors studied the cleaning of toothpaste at two length scales and found that cleaning time is influenced by temperature and velocity of the cleaning fluid, while the pipe length does not appear to have a significant impact on cleaning time.

TL;DR: In this paper, the results indicate that the roselle seed oil recovery was optimal with a recovery of 108.74% and a phytosterol composition of 7262.80% at relatively low temperature of 40°C, a high pressure of 400 bar and at a high supercritical fluid flow rate of 20ml/min in the presence of 2.5 ml/min EtOH as entrainer.

TL;DR: In this article, polyethersulphone ultrafiltration membranes with a nominal molecular weight cut off of 10kDa were degraded in solutions of sodium hypochlorite over a range of pH values at 55°C to achieve exposure measured in ppm-days of chlorine exposure.

TL;DR: A comparative study of superheated water extraction (SWE) with two conventional volatile isolation methods including hydrodistillation and Soxhlet extraction was performed on Bunium persicum Boiss.

TL;DR: In this article, the characteristics and gel properties of short-bodied mackerel (Rastrelliger brachysoma) surimi prepared by the conventional washing process and protein isolate prepared by alkaline solubilization process without and with prewashing.