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Pedro Narciso Arata

Pedro Narciso Arata Unzué, Argentine pharmacist and organic chemist (Buenos Aires 29 October 1849 – Buenos Aires 05 November 1922)

From Genoese father
 
ACHIEVEMENTS
 
Performed studies on bromatology, phtochemistry and agricultural chemist
 
With pharmacist José Poisa developed Arata method or double dye method (1884) improved by Italian Posetto and known as Arata-Posetto test, used for detection of artificial organic colouring matters of acid character in foods
 
With Italian Francesco Canzoneri isolated sesquiterpene winterene from Wintera aromatica (1890) and first prepared pilijanine in pure state (1891)
 
With F. Canzoneri isolated alkaloid moradeine from Pogonopus tubulosus
 
With Carlos Gelzer isolated and characterized morrenol from Morrenia sp. 
 
Isolated alkaloid baccharine from Baccharis coridifolia
 
Eponym of Arata method for caffeine
  
 

SOME BIBLIOGRAPHY

Guía para analisis inmediato de los vegetales (1879)

With F. Canzoneri. Beitrage zur kenntniss des Pillijau (Lycopodium saururus) Lam.

Apuntes sobre la cera contenida en las hojas de la yerba mate. Anales Soc. Cient. Arg 3, 1877

Sobre un alcaloide encontrado em mio-mio (Baccharis coridifolia Lam.). Anales Soc. Cient. Arg 4:34-6, 1877

Estudio sobre acido quebrachotanico. Anales Soc. Cient. Arg 1878-9

Estudio quimico de la Persea lingue. Anales Soc. Cient. Arg. 10:195-6, 1880

With F. Canzoneri. Studio sulla vera corteccia di Winter (Drimys winteri). Gazz. Chim. Ital. 18:527-39, 1888

La Morrenia brachystephana Gr., vulgo tassi y sus propriedades galactogogas. Anales Dep. Nac. Higiene 1:65-73, 1891   

Contribución al estudio del tanino contenido en la yerba mate. Anales Soc. Cient. Arg 1897