Intra- and interspecific mineral composition variability of commercial instant coffees and coffee substitutes: Contribution to mineral intake

Abstract

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Determination of the Elemental Composition of Coffee Using Instrumental Methods

“…Soluble powdered instant coffees (pure or chicoryblended) have also been analyzed (dos Santos and de Oliveira 2001;Suseela et al 2001;Vega-Carrillo et al 2002;Krejcova and Cernohorsky 2003;Ribeiro et al 2003;Fernandes et al 2005;Zaidi et al 2006;Grembecka et al 2007;Oliveira et al 2012). …”

“…Coffee is consumed by around 40 % of the world's population (Mussatto et al 2011;Oliveira et al 2012). For many people, especially in Western countries, the coffee drinking is a part of their lifestyle and an everyday habit.…”

“…For many people, especially in Western countries, the coffee drinking is a part of their lifestyle and an everyday habit. The coffee beverage can be consumed for many reasons, including its stimulatory effects resulted from the presence of caffeine, rich phytochemistry, health benefits, and primarily excellent taste and aroma (Grembecka et al 2007;Butt and Sultan 2011;Oliveira et al 2012). Due to a habitual consumption of coffee, its chemical composition, namely the presence of essential, non-essential and toxic elements, has to be known and kept under control in terms of its safety, and to assists its quality, nutritional value, and certain sensorial properties (Krivan et al 1993;De Nadai Fernandes et al 2002;Zaidi et al 2006;Filho et al 2007;Oleszczuk et al 2007;Oliveira et al 2012).…”

“…The coffee beverage can be consumed for many reasons, including its stimulatory effects resulted from the presence of caffeine, rich phytochemistry, health benefits, and primarily excellent taste and aroma (Grembecka et al 2007;Butt and Sultan 2011;Oliveira et al 2012). Due to a habitual consumption of coffee, its chemical composition, namely the presence of essential, non-essential and toxic elements, has to be known and kept under control in terms of its safety, and to assists its quality, nutritional value, and certain sensorial properties (Krivan et al 1993;De Nadai Fernandes et al 2002;Zaidi et al 2006;Filho et al 2007;Oleszczuk et al 2007;Oliveira et al 2012). The authenticity of coffee related to its certain geographical origin and botanical variety based on the elemental analysis and statistical pattern recognition methods seems to be quite important to producers and consumers (Krivan et al 1993; dos Santos and de Oliveira 2001;De Nadai Fernandes et al 2002;Fernandes et al 2005;Filho et al 2007;Grembecka et al 2007;Oleszczuk et al 2007;Bertrand et al 2008).…”

Improvement of Determination of Trace Amounts of Arsenic and Selenium in Slim Coffee Products by HG-ICP-OES

“…A concise review concerning the elemental analysis of coffee has been presented very recently by Pohl et al (Pohl et al 2013). Because of the ease of use and cleanliness of the preparation, soluble/instant coffee enjoys popularity (Vega-Carrillo et al 2002;Oliveira et al 2012) and today, an interest in the consumption of specific soluble coffees as slim coffees, can be observed. They are mixtures of instant coffee and various bioactive components, and therefore, the people, who wish to reduce their weight, prefer them.…”