The aim of this study is to optimize extraction parameters of phenolic compounds from one variety of Algerian table grapes. The effect of different solvents: distilled water, acetone (20, 40, 60 and 80%), methanol (20, 40, 60 and 80%) and ethanol (20, 40, 60 and 80%), temperature (25, 40, 50, 60 and 70°C), time (30, 60, 90 and 120 min) and four successive extractions were tested. It was found t...

The objective of this study was to examine the effect a flamenco dance program on mood and subjective well-being 34 self-selected women from community, aged between 62 79 years. mean age 70.11 (SD = 5.13). Participants voluntarily enrolled in 12-week workshop conducted by Autoestima Flamenca Association, with one two-hour session per week. Every two weeks, measurements (sadness, anxiety, anger ...

In order to examine the impact of pure and mixed planting on the production of grasses and also the biological control of weeds an experiment was conducted in the research farm of Alashtar city of Lorestan province between the years 1391 and 1392. This experiment within the design of complete random blocks (RCBD) with 6 protections which included 100:0 (rouph pea pure planting) 0:100 (pure plan...

Samples of the waste rock obtained from Marofengin South Africa ground 60, 70 and 80% passing 75µm were leached with cyanide in bottle roll tests. The results obtained showed that the percentage gold dissolution depends more on the ore size consists than on the cyanide concentration with the highest average dissolution rates of 88.75, 94.34 and 95.90% found at 600, 500 and 500 ppm, for 60, ...