Investigation and tracing of the mushroom poisoning caused death case by Russula subnigricans in Jiangxi Province

Abstract

ObjectiveThis study aimed to provide a reference for preventing the occurrence of events similar to the mushroom poisoning case by Russula subnigricans that caused the death of individuals in Jiangxi Province in September 2020 by investigation and tracing.MethodsEpidemiological descriptive analysis was used to make a primary judgment. Then， morphological and molecular biological identification were carried out on the collected mushroom samples.ResultsThe epidemiological information indicated that all the patients ate the wild mushroom， while those who did not eat the mushroom did not get sick. The average incubation period was 19 min， which suggested that the disease progressed rapidly. Symptoms such as gastrointestinal discomfort and vomiting were observed. The liver， kidney， and heart functions were damaged， and the mortality rate was high. The morphological and molecular studies identified the samples as Russula subnigricans.ConclusionThis incident is a reported poisoning death event in Jiangxi Province caused by eating Russula subnigricans by mistake， which indicates that the poisoning situation of poisonous mushrooms in Jiangxi Province is relatively serious， and relevant departments need to strengthen prevention and control efforts to prevent similar incidents.

Keywords

• food poisoning
• molecular identification
• russula subnigricans
• lethal