SAN FRANCISCO (AP) – A San Francisco woman who fell critically ill after drinking tea from a Chinatown herbalist has died.

The San Francisco Department of Public Health says the tea leaves bought at Sun Wing Wo Trading Co. contained the plant-based toxin Aconite.

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The woman in her 50s became sick within an hour of drinking the tea in February. She grew weak, then had life-threatening abnormal heart rhythms that required resuscitation and intensive care.

She died in the hospital Saturday.

A man in his 30s had identical symptoms after drinking tea from the same herbalist. He recovered and was released from the hospital March 12.

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Their names weren’t released.

Aconite, also known as monkshood, helmet flower and wolfsbane, is used in Asian herbal medicines. It must be processed properly to be safe.

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