How to make brown rice flour<br>Purchase a package of organic brown rice. All-natural types of rice are best, as these haven't been treated with preservatives or any other substances that may change the behavior or the four when it's used for cooking. To produce large quantities of flour, you'll need to pick up a bag of rice that's about one pound or bigger.
Preservatives and other substances in non organic rices will change the behavior of flour when it's cooked
The statement says that preservatives "may" change the behavior of flour, not that they will definitely. So it may not be correct or incorrect.