Wrote Letter L-214 of 1692-02-01 to the members of the Royal Society about various peppers and their taste, tea and its effects of tea on digestion, and Spanish fly

February 1, 1692
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Text of the letter in the original Dutch and in English translation from Alle de Brieven. The Collected Letters at the DBNL - De Digitale Bibliotheek voor de Nederlandse Letteren

Leeuwenhoek wrote this letter about …

Investigating why black pepper has a sharp taste; composition of the fruit of black pepper; investigation of long pepper and white pepper and the differences between the latter and black pepper; concerning the salt of tea; investigation of leaf tea; the effects of tea on digestion; examination of Spanish fly (Cantharis)