Ancient Text
Rumpf referred to himself as Rumphius, in the Latinized scientific manner of the day. Rumphius was a German-born naturalist who worked for the Dutch East Indies Company. His book is an account of the herbal healing traditions on the Indonesian island of Ambon. Rumphius' description of Atun kernels' therapeutic properties is what modern medicine calls "antimotility agents," they stop diarrhea. Writes Rumphius: "... these same kernels ... will halt all kinds of diarrhea, but very suddenly, forcefully and powerfully, so that one should use them with care in dysentery cases, because that illness or affliction should not be halted too quickly; and some considered this medicament a great secret, and relied on it completely."
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Source:Mayo Clinic