DO ORANGES LOSE OR GAIN VITAMIN C AFTER BEING PICKED

[ANA]

I NEED TO KNOW HOW DO I MAKE A VITAMIN C SOLUTION, AN IODINE SOLUTION AND A STARCH SOLUTION. FOR THIS PROJECT.

[hiramuzammal]

Here are procedures to test for the presence of vitamin C:

http://www.accessexcellence.org/AE/ATG/ ... acher.html