1. The sugarcane turns red and is not suitable for further consumption.

2. The colors of ordinary sugar cane are white and yellow. If the sugar cane turns red, it means that the red sugar cane contains a large number of harmful bacteria and harmful substances, and they have rotted and deteriorated. In addition, the nutritional value and taste of red sugar cane have been reduced to a certain extent, so it is not suitable for consumption. If sugarcane is stored for a long time or if sugarcane is traumatized, such sugarcane will be easily infected with mold and harmful substances. Contamination of sugarcane will cause the inside to turn red.