A single-serve coffee container is a container filled with coffee grounds, used in coffee brewing to prepare only enough coffee for a single portion. Single-serve coffee containers come in various formats and materials, often either as hard and soft pods or pads made of filter paper, or hard aluminium and plastic capsules.
Single-serve coffee containers can both reduce the time needed to brew coffee and simplify the brewing process by eliminating the need to measure out portions, flavorings, and additives from large bulk containers. They can also help to keep the unused product fresher by individually packaging portions separately without exposing the entire supply batch to air and light. Paper coffee pods can be functionally identical to plastic and metal coffee capsules, if the paper pods are individually sealed in separate bags. At the same time, the disposable single-use products add to global waste production.
Nespresso capsules were sold exclusively by Nespresso while the machines were under patent, and are significantly more expensive than an equivalent quantity of "loose" ground coffee. Because of the hermetically sealed capsule, however, the coffee aroma does not degrade with time like coffee in a pack that has been opened. Nespresso currently sells 28 different Original Line arabica and robusta capsules. Limited Edition are released seasonally. As the system is no longer under patent, more and more third-party and refillable capsules can now be purchased in some grocery stores and shops.
Each capsule contains 5–7 grams of ground coffee and makes one serving of coffee. Depending on the length of the pour, the capsule can produce a 40 ml Espresso shot, or a 110 ml Lungo (long) pour. Nespresso-supplied capsule bodies and perforated tops are both made of aluminium, while third-party capsules are made from a variety of materials, including plastic and aluminium. To assuage some concerns on potential aluminium health effects, most of the capsule interior of Nespresso capsules is lined with food-grade lacquer.
For the professional market, a different system of Nespresso pods exists. These pad-shaped capsules are not interchangeable with the consumer capsules.
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