Sugar cane turning red cannot be eaten. If the sugarcane storage time is too long or the storage conditions are not good, it is easy to lead to sugarcane mold, sugarcane mold will produce a kind of neurotoxin, is moldy sugarcane in the knobbly rhodosporidium produced by toxic metabolites 3-nitropropionic acid. 3-Nitropropionic acid is a highly toxic substance, which can lead to propionic acid poisoning after accidental ingestion, with very serious consequences. After eating these moldy sugarcane, the incubation period is very short, and symptoms usually occur within a few hours. If you eat this kind of sugarcane, it is easy to lead to acute gastroenteritis, food poisoning and other adverse consequences, therefore, sugarcane turned red should not be eaten. Food poisoning can be as mild as nausea and vomiting, or as severe as convulsions, lethargy and other neurological symptoms. Even though some of them can be recovered, some of the neurological after-effects are very difficult to recover from. It is recommended that sugarcane not be stored for too long, and before consuming sugarcane, pay close attention to carefully observe whether there are mold spots, redness and other phenomena. Once you consume sugarcane, you should seek medical attention to avoid delaying your condition.