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Effect of Solvent Polarity on the Efficiency of Ultrasound-assisted Extraction of Polyphenols From Apple Pomace
(Dept. of Mach. Exploit. and Management of Prod. Processes, ULS in Lublin, Poland, 2017-11)
In this paper influence of solvent polarity on the efficiency of ultrasound-assisted extraction of polyphenols from apple pomace was studied. In the experiment, three solvents were used: water, 60% ethanol and 96% ethanol. ...
Characterisation of Selected Apple Cultivars in the Aspect of Juice Production in the Condition of a Farm
(Dept. of Mach. Exploit. and Management of Prod. Processes, ULS in Lublin, Poland, 2017-11)
Pressing is the most common method of fruit juice acquisition. Not all apple cultivars are suitable for juice pressing. The use of suitable fruit cultivars for juice pressing may reduce the cost of pressing and at the same ...
Evaluation of Streif’s Index Values During Maturation of Two Apple Cultivars
(Dept. of Mach. Exploit. and Management of Prod. Processes, ULS in Lublin, Poland, 2017-11)
The paper presents the results of Streif’s Index (SI) expression by new method of harvest date optimization, based on calculation one of its components - starch index (S), by image analysis. Harvest date prediction is a ...
Modification of Rheological Properties of Biofuels From Soybean Oil
(Dept. of Mach. Exploit. and Management of Prod. Processes, ULS in Lublin, Poland, 2017-11)
In this paper, the influence of fuel additives on rheological properties of crude soybean oil was presented. The tests were performed for low shear rates (1.2 - 12.4 s-1) at a temperature range of 5 to 30oC. The fuel ...