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Questions related from Johnson O Esua
Dear Researchers, I have an arrangement of ultraviolet lamps placed on each of the four walls of an upright rectangular structure as shown in the attached pix. The purpose of the arrangement is to...
21 November 2016 7,287 4 View
This log-reduction terminology was developed by engineers as a way to express levels of decreased biological contamination in water by factors of 10 which could be easily converted to percent...
09 March 2016 1,003 7 View
Can an increase in drying temperature (> 70 degrees) result in a decrease in colour parameters (LAB) of fruits, while total carotenoid and lycopene content increases? if yes, what is the...
23 February 2016 1,405 5 View
Considering the effect of drying temperatures (60, 70, 80, 90 degrees) on the firmness of tomatoes, is it possible to have an increase in the firmness value from 60 to 80 degrees and a sudden...
23 February 2016 5,454 4 View
Good day. I am using the DPPH free radical scavenging assay to determine antioxidant activity in tomatoes. I have carried out the extraction, read the absorbance and calculated the scavenging...
30 July 2015 3,779 27 View
Good day all. Please I need to understand how to express total phenols in Gallic Acid Equivalent/100g. I have carried out my extraction, added FC reagent and read the absorbance at 735nm. I have...
30 July 2015 5,527 5 View
I am trying to identify the spoilage organisms associated with tomatoes and malay apple wax. Generally, what is the appropriate number of serial dilution one has to perform to achieve best results...
30 June 2015 9,890 6 View
