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Phytohaemagglutinin (PHA, or phytohemagglutinin) is a lectin found in plants, especially certain legumes. PHA actually consists of two closely related proteins, called leucoagglutinin (PHA-L) and PHA-E. These proteins cause blood cells to clump together. PHA-E cause erythrocytes (red blood cells) to clump.
Toxic to cardio and central nervous systems, gastrointestinal bleeding [3] Ephedra: ma huang: Ephedra sinica: Agitation and palpitations, [3] "hypertension, irregular heart rate, insomnia, nervousness, tremors and seizures, paranoid psychosis, heart attacks, strokes, and death", [1] [15] kidney stones [15] Flavonoids (contained in many ...
It has several historical medicinal uses, but it is also toxic due to the presence of cephalathin. [76] Cerbera odollam: suicide tree, Pong Pong tree Apocynaceae: The seeds contain cerberin, a potent toxin related to digoxin. The poison blocks the calcium ion channels in heart muscle, causing disruption of the heartbeat. This is typically fatal ...
This is a list of foodborne illness outbreaks by death toll, caused by infectious disease, heavy metals, chemical contamination, or from natural toxins, such as those found in poisonous mushrooms. Before modern microbiology, foodbourne illness was not understood, and, from the mid 1800s to early-mid 1900s, was perceived as ptomaine poisoning ...
More specifically it is known as "meadow death-camas" to distinguish it from other related plants. [22] The variety gramineum is sometimes called "grassy deathcamas". [23] The "camas" part of its name is due the resemblance of the bulbs to those of the edible Camassia flowers. [24] Other common names include "poison onion" and "poison camas". [25]
Of all the cyanotoxins, the cyclic peptides are of most concern to human health. The microcystins and nodularins poison the liver, and exposure to high doses can cause death. Exposure to low doses in drinking water over a long period of time may promote liver and other tumours. [36]
“That’s nearly 17,000 people dying from prescription opiate overdoses every year. And more than 400,000 go to an emergency room for that reason.” Clinics that dispensed painkillers proliferated with only the loosest of safeguards, until a recent coordinated federal-state crackdown crushed many of the so-called “pill mills.”
Although poisonous, death due to poisoning from A. muscaria ingestion is quite rare. Parboiling twice with water weakens its toxicity and breaks down the mushroom's psychoactive substances; it is eaten in parts of Europe, Asia, and North America.