Showing papers in "Food Chemistry in 2014"

TL;DR: New protocols for processing and determining phenolics in food matrices must be devised in order to release bound phenolics and for quality control in the growing functional food industry.

TL;DR: In vitro and in vivo studies as well as some clinical trials provide some evidence mostly for phytochemically poorly characterised Hs extracts which showed antibacterial, anti-oxidant, nephro- and hepato-protective, renal/diuretic effect, effects on lipid metabolism (anti-cholesterol), anti-diabetic and anti-hypertensive effects among others.

TL;DR: The ability of fermentation to improve antioxidant activity is primarily due to an increase in the amount of phenolic compounds and flavonoids during fermentation, which is the result of a microbial hydrolysis reaction.

TL;DR: Curcumin was complexed with β-CD using co-precipitation, freeze-drying and solvent evaporation methods, which intensified the colour of the products and produced a great sensorial acceptance.

TL;DR: Fruit by-products of Brazil obtained during pulp production process presented higher bioactive content than their respective fruit pulps, which is essential for the understanding of their nutraceutical potential and future application in the food industry.

TL;DR: In this paper, the authors evaluate the chemical composition, identify the bioactive compounds and measure the antioxidant activity present in blackberry, red raspberry, strawberry, sweet cherry and blueberry fruits produced in the subtropical areas of Brazil and verify that the chemical properties of these fruit are similar when compared to the temperate production zones.

TL;DR: An anti-quorum sensing agent curcumin from Curcuma longa (turmeric) was shown to inhibit the biofilm formation of uropathogens, such as Escherichia coli, Pseudomonas aeruginosa PAO1, Proteus mirabilis and Serratia marcescens, possibly by interfering with their QS systems.

TL;DR: This mini-review summarized and discussed data available on chemical components of nutritional significance for wild-grown mushrooms collected from China, aimed to update and discuss the latest data published on ash, fat, carbohydrates, fibre, proteins, essential amino acids and nonessential amino acids.

TL;DR: G gelatin/AgNPs nanocomposite films exhibited strong antibacterial activity against food-borne pathogens and are expected to have high potential as an active food packaging system to maintain food safety and to extend the shelf-life of packaged foods.

TL;DR: Liquid chromatography coupled to high-resolution/accurate mass measurement LTQ-Orbitrap mass spectrometry was applied for the comprehensive identification of phenolic constituents of six of the most widely used culinary herbs and spices, some of them for the first time.

TL;DR: The stability analysis demonstrates that natural pigments from safflower are more stable in sugar-based NADES than in water or 40% ethanol solution, and the stabilisation capacity of NADES can be adjusted by reducing water content with increasing viscosity.

TL;DR: Germination increased the total phenolic (TP) and flavonoid (TF) levels, as well as the AA of the seeds, and influenced the profile of free and bound phenolic compounds.

TL;DR: This preliminary laboratory study shows that essential oils extracted by SFME in 30min were quantitatively and qualitatively similar to those obtained using conventional hydro-distillation in 2h.

TL;DR: Results suggest that colonic fermentation may alter the biological activity of blueberry polyphenols.

TL;DR: Using 35 different nutritional and elemental variables to characterise each soy sample, it was able to discriminate GM, conventional and organic soybeans without exception, demonstrating "substantial non-equivalence" in compositional characteristics for 'ready-to-market' soybeans.

TL;DR: Thymol-loaded zein nanoparticles stabilized with sodium caseinate and chitosan hydrochloride resulted in increased particle size, reversal of zeta potential value from negative to positive, and improved encapsulation efficiency, and was more effective in suppressing gram-positive bacterium than un-encapsulated thymol for a longer time period.

TL;DR: Fluorescence spectroscopy studies confirmed that resveratrol was encapsulated in the inner core of the nanoemulsions, which provides protection against chemical degradation, and the developed systems also demonstrated the capability of nanoemulsion-based delivery systems in sustained release of resver atrol from dialysis bags compared to the unencapsulated compound.

TL;DR: This work demonstrates that it has the potential in nondestructive detection of TVB-N content in pork meat using integrating NIRS, CV and E-nose, and data fusion from multi-technique could significantly improve TVB -N prediction performance.

TL;DR: The proposed HPLC-ELSD method was validated for quantification of sugars in peach, apple, watermelon, and cherry fruits, and the results were satisfactory and showed that the contents of the four sugars varied among fruits.

TL;DR: Green banana flour was extruded through a co-rotating twin-screw extruder with constant barrel temperature to determine the effect of extrusion cooking variables and storing of the extruded flours at 4°C for 24h on the physicochemical properties, resistant starch (RS), pasting properties and antioxidant capacities.

TL;DR: It was shown that microalgae oils from Isochrysis, Nannochloropsis, Phaeodactylum, Pavlova and Thalassiosira contain sufficient omega-3 LC-PUFA to serve as an alternative for fish oil, which was used as the 'golden standard'.

TL;DR: Four common heavy metals, lead (Pb), cadmium (Cd), arsenic (As) and mercury (Hg) in rice and edible mushrooms of China were studied to evaluate contamination level and edible safety.

TL;DR: Investigation of pesticide residues in fruits and vegetables from the Aegean region of Turkey found acetamiprid, chlorpyriphos and carbendazim were the most detected pesticide residues.

TL;DR: This study provides a simple and easy approach to selectively detect BPA in the presence of Sudan I and more than eight times current excess of BPA.

TL;DR: For tested crude and sulphated polysaccharides, sulphated PEPS had the largest inhibition zone against Escherichia coli ATCC 25922 and Staphylococcus aureus CMCC 26003 while sulphated ST1275 EPS had thelargest inhibition zones against Listeria monocytogenes CMCC 54001.

TL;DR: Liquid chromatography coupled with electrospray ionization hybrid linear trap quadrupole-Orbitrap mass spectrometry was applied for a comprehensive identification of phenolic compounds in walnuts and revealed the presence of eight polyphenols that have never been reported in walnut.

TL;DR: The results suggest that C. reticulata Blanco essential oils generate cytotoxicity in P. italicum and P. digitatum by disrupting cell membrane integrity and causing the leakage of cell components.

TL;DR: The eco-friendly prepared nanoparticles could be widely used in biomedical applications and development of new materials and the crystal pattern changed from A-type to B+V-type.

TL;DR: The F/G ratio of sunflower, rape and lime honeys were lower than those found for the chestnut, eucalyptus, heather, acacia and honeydew honeys, which revealed the valuable significance of the botanical origin on the sugar ratios.

TL;DR: This review summarizes the recent advances in chitosanases research, the enzyme production processes, characterization, genetic improvement and their applications.