Moka containers are really percolators designed for making espresso. Therefore, they're normally fitted with steel filters inside cooking pot that are capable of filtering some deposit, not essential oils or Diterpenes (such as for instance Cafestol). Diterpenes are implicated in cholesterol increases involving unfiltered coffee, but might have disease- and parkinson's-fighting properties.
The report filter also have a sizable influence on the flavor of this coffee produced. Paper filters are made to eliminate natural oils from coffee, nevertheless natural oils eliminated by the report filter are an amazing way to obtain flavor when it comes to coffee produced, as many of flavor substances in coffee are fat-soluble.
Coffee produced with a report filter may have less deposit, a lot fewer natural oils and, within the viewpoint of several metal-filtered lovers (myself included), a more even, less powerful flavor. That shouldn't be considered to be an inherent disadvantage, but as many people like the taste of paper-filtered coffee, locating the mellower profile and not enough sediment/oilyness preferable. Crema is more pronounced in metal-filtered than in paper-filtered coffee.