Assertion: comfrey's alkaloid | /r/HasProperty | pas
Facets:
Source sentences:
text: Free of toxic pyrrolizidine alkaloids (PAs)
text: Comfrey contains pyrrolizidine alkaloids (PA).
text: In the 1970s, scientists discovered the presence of pyrrolizidine alkaloids (PAs) in comfrey that could harm the liver.
text: A study published this year in the Journal of Public Health Nutrition reviewed the biology of comfrey, explaining that this toxicity is due to the herb containing pyrrolizidine alkaloids (PAs), which are then thought to be converted into highly reactive pyrolles that can damage the liver and certain other organs.
text: The major barrier to testing this plant's therapeutic effects is the naturally occurring pyrrolizidine alkaloids (PAs) in comfrey.
text: Comfrey also contains pyrrolizidine alkaloids (PAs), a known hepatotoxic agent.
text: What are pyrrolizidine alkaloids (PAs)?
text: This is because comfrey contains pyrrolizidine alkaloids (PAs).
text: While comfrey is an herb with a long history of many different uses, its internal use has become quite controversial due to scientific studies, some dating back 40-60 years, that revealed potentially harmful effects of pyrrolizidine alkaloids (PAs) (Moreira et al., 2018), which are found in comfrey.
text: Certain types of pyrrolizidine alkaloids (PAs) are known hepatic and genetic toxins, and in some cases, respiratory toxins (Hoffmann, 2003).
text: The Advisory alerted the supplement industry to the available scientific information that firmly establishes that dietary supplements that contain comfrey or any other source of pyrrolizidine alkaloids (PAs) are adulterated under the Act.
text: The herb has become a topic of considerable debate, as it contains pyrrolizidine alkaloids (PAs), which have been shown to pose a real risk of hepatotoxicity.
text: Comfrey has been shown to contain pyrrolizidine alkaloids (PAs), which are substances that we know are potentially toxic to humans by causing liver damage.
text: While comfrey is a highly regarded herb used for thousands of years, choosing the right comfrey free from pyrrolizidine alkaloids (PAs) is important.
text: The plant extracts also have different forms of pyrrolizidine alkaloids (PAs).
text: The pyrrolizidine alkaloids (PAs), which are otherwise a result of natural defense mechanism in various plants including comfrey, are hepatotoxic.
text: While comfrey is a highly regarded herb used for thousands of years, choosing the right comfrey free from pyrrolizidine alkaloids (PAs) is important.
text: Free of pyrrolizidine alkaloids (PAs) and parabens
text: The Advisory alerted the supplement industry to the available scientific information that firmly establishes that dietary supplements that contain comfrey or any other source of pyrrolizidine alkaloids (PAs) are adulterated under the Act.
text: In the 1980s, comfrey’s benevolent reputation took a drastic turn for the worse when researchers discovered compounds in the plant called pyrrolizidine alkaloids (PAs), which damaged rat livers.
text: While evidence on pyrrolizidine alkaloid (PA) toxicity is mounting and the case against any PA-containing plant appears increasingly clear, the controversy over comfrey deserves closer inspection.
text: It is a superb wound healing herb, but the pyrrolizidine alkaloids (PA) can be carcinogenic and also cause liver damage.
text: Although comfrey can heal, it can also harm due to pyrroloxidine alkaloids (PA), which can be toxic to the liver.
text: Comfrey’s use internally is controversial due to the presence of pyrrolizidine alkaloids (PA).