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Food Res Int

Title:		"Evaluation of the volatile composition, toxicological and antioxidant potentials of the essential oils and teas of commercial Chilean boldo samples"
Author(s):		de Souza WFM; Mariano XM; Isnard JL; de Souza GS; de Souza Gomes AL; de Carvalho RJT; Rocha CB; Junior CLS; Moreira RFA;
Address:		"Food and Nutrition Postgraduate Program, Federal University of the State of Rio de Janeiro (UNIRIO), Frei Caneca Street, 94, New City, CEP: 20211-040 Rio de Janeiro, RJ, Brazil. Biosciences Institute, UNIRIO, Pasteur Av, 458, Urca, CEP: 22290-240 Rio de Janeiro, RJ, Brazil. Biomedical Institute, UNIRIO, Frei Caneca Street, 94, New City, CEP: 20211-040 Rio de Janeiro, RJ, Brazil. Department of Physiological Sciences, UNIRIO, Frei Caneca Street, 94, New City, CEP: 20211-040 Rio de Janeiro, RJ, Brazil. Department of Botany, UNIRIO, Pasteur Av, 458, Urca, CEP: 22290-240 Rio de Janeiro, RJ, Brazil. Food and Nutrition Postgraduate Program, Federal University of the State of Rio de Janeiro (UNIRIO), Frei Caneca Street, 94, New City, CEP: 20211-040 Rio de Janeiro, RJ, Brazil; Department of Collective Health, UNIRIO, Frei Caneca Street, 94, New City, CEP: 20211-040 Rio de Janeiro, RJ, Brazil. Electronic address: ricfelipe1@yahoo.com.br"
Journal Title:		Food Res Int
Year:		2019
Volume:		20190108
Issue:
Page Number:		27 - 33
DOI:		10.1016/j.foodres.2018.12.059
ISSN/ISBN:		1873-7145 (Electronic) 0963-9969 (Linking)
Abstract:		"Chilean boldo (Peumus boldus Molina) is the boldo species most consumed around the world. Digestive and hepatobiliary disorders represent the main targets of its action. This work aims to characterize the volatile chemical composition, toxicological, and antioxidant potentials of the essential oils and teas of commercial samples of Chilean boldo packed on sachets [Group 1 (G1): five samples] or in plastic bags [Group 2 (G2): five samples]. Fifty-three compounds have been identified in the essential oils of commercial samples of Chilean boldo from Brazil, while only twelve compounds have been found in the volatile fraction of their infusions. Terpineol, 1,8-cineole, and p-cymene are the major compounds of essential oils. Terpineol is also the major compound of the volatile fraction of teas, followed by limonene dioxide. The presence in all samples of the chemical markers p-cymene, 1,8-cineole, ascaridole, and boldine suggests that they are genuine. The teas offer a better antioxidant capacity than essential oils, thereby indicating that antioxidant activity is concentrated in the non-volatile fraction of these herbs. All LD(50) values estimated for the essential oils are below 200?ª+ppm, thus indicating that the oils are highly cytotoxic. G1 and G2 appear to be very similar with respect to all the parameters analyzed. This similarity may indicate a single source for these products"
Keywords:		"Antioxidants/*analysis Aporphines/analysis Brazil Cyclohexane Monoterpenes/analysis Cymenes/analysis Eucalyptol/analysis Food Analysis Lethal Dose 50 Oils, Volatile/*chemistry Peroxides/analysis Peumus/*chemistry Plant Extracts/analysis Plant Leaves/chemi;"
Notes:		"Medlinede Souza, Wanderson Fernando Mello Mariano, Xavier Maia Isnard, Julia Lima de Souza, Gisele Santos de Souza Gomes, Ana Luisa de Carvalho, Rutheneia Jose Tavares Rocha, Cristiane Barbosa Junior, Cesar Luis Siqueira Moreira, Ricardo Felipe Alves eng Research Support, Non-U.S. Gov't Canada 2019/08/31 Food Res Int. 2019 Oct; 124:27-33. doi: 10.1016/j.foodres.2018.12.059. Epub 2019 Jan 8"