1 In general, the total dissolved solids concentration is the sum of the cations (positively charged) and anions (negatively charged) ions in the water.  Parts per Million (ppm) is the weight-to-weight ratio of any ion to water.
If you refrigerate the rice, and you want to eat it cold, its perfectly fine. People eat cold rice salads all the time. Cold rice pudding is fine. Its just sitting around at room temperature that is the problem.
Answer: To be honest, there is no hard and fast rule about the latest time you should eat before going to bed.Itâs perfectly fine to eat a piece of fruit or drink a glass of soy milk an hour, even 30 minutes, before going to bed.A small snack that is low in fat is digested relatively quickly â usually within an hour â on an empty stomach.nswer: To be honest, there is no hard and fast rule about the latest time you should eat before going to bed.