A laboratory investigation has confirmed that the tragic deaths of five members of a family in Sikka village under Padwa block of Jharkhand's Palamu district were caused by consumption of mustard oil adulterated with toxic argemone oil.
The findings, released by the State Food Testing Laboratory in Ranchi, revealed that the mustard oil sample collected from the victims' home contained oil extracted from Argemone mexicana—commonly known as Mexican prickly poppy or yellow thistle—a highly toxic weed unfit for human consumption.
According to the laboratory report, the seeds of Argemone mexicana closely resemble mustard seeds and may have inadvertently been mixed with mustard during the crushing process.
Officials said the contaminated oil was being used by the affected family for cooking, leading to the fatal health crisis.
Medical experts warned that even a small amount of argemone oil can contaminate an entire batch of mustard oil, making it unsafe for consumption. Ingestion of the toxic oil can cause epidemic dropsy, a life-threatening condition marked by swelling, cardiovascular complications, and damage to vital organs. The victims reportedly exhibited similar symptoms before their deaths.
The State Food Testing Laboratory has submitted its final report to the Health Department, confirming the presence of argemone oil and describing it as a serious public health hazard.
Following the findings, the Health Department and the Food Safety Department have gone on alert. The administration is now preparing to intensify inspections of oil mills and mustard oil sold in rural markets to ensure quality standards and prevent similar tragedies in the future.
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