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Medicinal Nuts
Physic nut, Purging nut
(Jatropha curcas L.- Euphorbiaceae)
Leaves, which show antileukemic activity, contain a-amyrin, b-sitosterol,
stigmasterol, and campesterol, 7-keto-b-sitosterol,
stigmast-5-ene-3-b, 7-a-diol,
and stigmast-5-ene-3 b, 7
b-diol (Morton, 1981). Leaves contain
isovitexin and vitexin. From the drug (nut?) saccharose, raffinose,
stachyose, glucose, fructose, galactose, protein, and an oil,
largely of oleic- and linoleic-acids (List and Horhammer,
1969–1979), curcasin, arachidic-, linoleic-, myristic-, oleic-,
palmitic-, and stearic-acids are also reported (Perry, 1980).
The poisoning is irritant, with acute abdominal
pain and nausea about 1/2 hour following ingestion. Diarrhea and
nausea continue but are not usually serious. Depression and
collapse may occur, especially in children. Two seeds are strong
purgative. Four to five seed are said to have caused death, but
the roasted seed is said to be nearly innocuous. Bark, fruit,
leaf, root, and wood are all reported to contain HCN (Watt and
Breyer-Brandwijk, 1962). Seeds contain the dangerous toxalbumin
curcin, rendering them potentially fatally toxic
According to Hartwell, the extracts are used in
folk remedies for cancer. Reported to be abortifacient, anodyne,
antiseptic, cicatrizant, depurative, diuretic, emetic, hemostat,
lactagogue, narcotic, purgative, rubefacient, styptic, vermifuge,
and vulnerary, physic nut is a folk remedy for alopecia, anasorca,
ascites, burns, carbuncles, convulsions, cough, dermatitis,
diarrhea, dropsy, dysentery, dyspepsia, eczema, erysipelas, fever,
gonorrhea, hernia, incontinence, inflammation, jaundice,
neuralgia, paralysis, parturition, pleurisy, pneumonia, rash,
rheumatism, scabies, sciatica, sores, stomachache, syphilis,
tetanus, thrush, tumors, ulcers, uterosis, whitlows, yaws, and
yellow fever (Duke and Wain, 1981; List and Horhammer, 1969–1979).
Latex applied topically to bee and wasp stings (Watt and
Breyer-Brandwijk, 1962). Mauritians massage ascitic limbs with the
oil. Cameroon natives apply the leaf decoction in arthritis (Watt
and Breyer-Brandwijk, 1962).
Colombians drink the leaf decoction
for venereal disease (Morton, 1981). Bahamans drink the decoction
for heartburn. Costa Ricans poultice leaves onto erysipelas and splenosis. Guatemalans place heated leaves on the breast as a
lactagogue. Cubans apply the latex to toothache. Colombians and
Costa Ricans apply the latex to burns, hemorrhoids, ringworm, and
ulcers. Barbadians use the leaf tea for marasmus, Panamanians for
jaundice. Venezuelans take the root decoction for dysentery
(Morton, 1981). Seeds are used also for dropsy, gout, paralysis,
and skin ailments (Watt and Breyer-Brandwijk, 1962). Leaves are
regarded as antiparasitic, applied to scabies; rubefacient for
paralysis, rheumatism; also applied to hard tumors (Hartwell,
1967–1971). Latex used to dress sores and ulcers and inflamed
tongues (Perry, 1980). Seed is viewed as aperient; the seed oil
emetic, laxative, purgative, for skin ailments. Root is used in
decoction as a mouthwash for bleeding gums and toothache.
Otherwise used for eczema, ringworm, and scabies (Perry, 1980;
Duke and Ayensu, 1984). We received a letter from the Medicial
Research Center of the University of the West Indies shortly after
the death of Jamacian singer Robert Morley, "I just want you to
know that this is not because of Bob Morley's illness, why I am
revealing this ... my dream was: this old lady came to me in my
sleep with a dish in her hands; she handed the dish to me filled
with some nuts. I said to her, "What were those?" She did not
answer. I said to her, "PHYSIC NUTS." She said to me, "This is the
cure for cancer." We found this Jamaican dream rather interesting.
Four antitumor compounds, including jatropham and jatrophone, are
reported from other species of Jatropha (Duke and Ayensu, 1984).
Homeopathically used for cold sweats, colic, collapse, cramps,
cyanosis, diarrhea, leg cramps.
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