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Influence of UV and ozonised water treatment on trans-resveratrol content in berry skins and juices of Franc and Green Veltliner grapes
grape juices stilbens content UV irradiation ozonisation
2015/5/18
Grapes from two varieties – Franc (red) and Green Veltliner (white) were processed using UV radiation at selected powers and times. Irradiated grapes were stored for 24, 48, and 72 h at room temperatu...
Influence of ultrasound and proteolytic enzyme inhibitors on muscle degradation, tenderness, and cooking loss of hens during aging
ultrasonic protease inhibitor incorporating treatment myofibrillar protein Caspase-3/7 Z-DEVD-fmk
2014/2/25
The potential contribution of mechanical disruption by ultrasonics and endogenous proteolytic enzymes on the tenderisation of hen muscle were investigated. The importance of endogenous enzymes was eva...
Influence of various rootstocks on the yield and grape composition of Sauvignon Blanc
grapevine yield parameter grape juice quality
2014/2/25
This influence of various rootstocks on the yield and grape composition of Sauvignon Blanc was examined. The yield on rootstock 41B/72 was 1 kg/vine or more higher than on rootstocks SO4 cl. 31, Ripar...
Influence of tannin addition on the content and composition of polyphenolic compounds in wines
wine, polyphenols determination HPLC-DAD SPE tanin
2014/3/3
Polyphenols can greatly affect the sensorial characteristics and stability of wine. The concentration of polyphenols in wines is very low, the sample must be thus concentrated before the analytical me...
The influence of gamma-irradiation on the formation of free radicals and antioxidant status of oregano (Origanum vulgare L.)
oregano irradiation EPR spectroscopy free radicals thermal stability life-time antioxidant activity
2014/3/4
The influence of various gamma-radiation dose absorptions on oregano (Origanum vulgare L.) solid samples was monitored by means of electron paramagnetic resonance (EPR) spectroscopy. Further, the anti...
The influence of the development specific surface of sorption on the wettability of instant soups
instant soup wettability specific surface of sorption BET equation
2014/3/4
In the present experiment, the sorption isotherms were determined for instant-type soups, giving rise to colloidal solutions and proper solutions as a consequence of hydration. On the basis of the iso...