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U.S. Department of Health and Human Services

FDA Poisonous Plant Database

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AUTHOR(S): Anonymous
TITLE: Aw nuts!
YEAR: 1983 CITATION: Vet Hum Toxicol, 25(1), 80 [English]
FDA #: F05701
ABSTRACT: Complete article: It seems like WMPC is getting a lot of calls this autumn on the edibility of horse chestnuts (Aesculus species) and acorns (Quercus species). Both are poisonous. The horse chestnuts (also called buckeyes) contain a glycoside, aesculin, that causes: Vomiting, diarrhea, inflammation of mucous membranes, fever, stupor, muscle weakness and twitching, hemolysis, and respiratory paralysis. The nut is the most toxic part of the plant. The acorn contains three chemicals: tannin, quercitrin and quercitin, and is poisonous if eaten raw. Symptoms include: abdominal pain, constipation, extreme thirst, frequent urination, rapid but weak pulse, and delayed kidney and liver damage. There were also a couple calls from people who reported skin and eye irritation after handling black walnuts (Juglans nigra) still in the green outer shell. This plant has a juice in the shell and the leaves that causes dermatitis in some individuals. News from Western Michigan Poison Center, November 1982
GRIN #: 1628 Exit Disclaimer
COMMON NAME: horse-chestnut
STANDARD COMMON NAME: horse chesnut
FAMILYSapindaceae
LATIN NAMEAesculus
STANDARD PLANT NAMEAesculus hippocastanum L.
GRIN #: 20762 Exit Disclaimer
COMMON NAME: black walnut
STANDARD COMMON NAME: black walnut
FAMILYJuglandaceae
LATIN NAMEJuglans nigra
STANDARD PLANT NAMEJuglans nigra L.
FDA #: F05701
GRIN #: 10203G Exit Disclaimer
COMMON NAME: acorn
STANDARD COMMON NAME
FAMILYFagaceae
LATIN NAMEQuercus
STANDARD PLANT NAMEQuercus sp.
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