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Sociedade Brasileira de Farmacognosia, Revista Brasileira de Farmacognosia, 3(15), p. 243-249, 2005

DOI: 10.1590/s0102-695x2005000300015

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Influência da temperatura de secagem e da concentração de Aerosil®200 nas características dos extratos secos por aspersão da Schinus terebinthifolius Raddi (Anacardiaceae)

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Schinus terebinthifolius Raddi has been used in the Brazilian folk medicine since a long time and now as phytopharmaceutical because of its antimicrobial, cicatrizant and anti-inflammatory properties. The aim of this work was to evaluate the influence of the inlet temperature and the Aerosil concentration on the characteristics of the spray-dried extracts from Schinus terebinthifolius Raddi by spray-drying method. The extracts were prepared from a 70 °GL ethanolic extract with a Buchi B 191 Mini-spray dryer with technological adjuvant into a ratio of 20:80; 25:75 and 30:70 (w/w) Aerosil®200: dried residue, in the inlet temperature range from 120 °C to 160 °C. The residual humidity, final yield and the moisture uptake profile at 90 % Relative Humidity (RH) were used as evaluation criteria. The response surface analysis showed that increasing the temperature and the Aerosil®200 concentration, lead to lower residual humidity and moisture uptakes. The best drying parameters were the inlet temperature of 140 °C and 30 % of Aerosil®200 concentration, resulting in yields over 80 %.