Aluminum capsules keeps the coffee aroma and flavour

A recent study published by Chahan Yeretzian, University of applied sciences Zurich, Switzerland, compared four different materials and concluded that the aluminum capsules are the best to preserve the freshness and aroma of coffee during the period of validity of one year. The data have been disclosed by Nespresso, which uses aluminum to protect the quality and freshness of the Grands Crus.
"Our aluminum capsules, hermetically sealed, provide the best protection against factors such as oxygen, light and moisture. Another factor is that aluminum has an essential function in the Nespresso coffees. The capsules are designed to interact with the machine and provide high pressure equivalent to that of professional espresso machines ", explains Christiane Nunes, public relations manager of the Nespresso Brazil.
As one of the largest producers and consumers of coffee in the world, Brazil is considered to be a strategic market for the sector. According to Pedro Feliu, Director Nescafe Dolce Gusto, Brazilians consume about 225,000 of beverage cups per minute and 3% of the sales of coffee are in capsules. In 2015, 520 million capsules were consumed, according to Feliu.
In addition to the advantages of aluminium, the shell meets the needs of contemporary consumers seeking the convenience of packaging of pods and varieties of types of coffees, according to Feliu. Only the Nespresso brand provides to Brazilians 24 options. "In our boutiques we encourage customers to discover new options of coffee since the soft, even the balanced, intense, superintensos and flavored, in addition to limited editions released every year," says Christiane.
Another differential aluminum capsule is related to sustainable production and consumption, because assists manufacturers to keep reverse logistics actions due to be 100% recyclable aluminum. The system deployed by Nespresso allowed at the end of 2014 the brand reached the capacity of more than 80% of collecting capsules. And up to 2020, aims to reach 100%, 2nd to the Manager.
Nespresso has 28 capsules collection points in Brazil. In cities where there are no points of collection, the Nespresso guides the capsules being forwarded drop-off stations (ENP), where the material is collected for recycling.