An upward flow extraction method, apparatus, and extract are disclosed. The upward flow extraction method can comprise loading extraction material into an extraction cell having a bottom portion and a top portion; introducing a first aliquot of extraction medium through the bottom portion of the extraction cell; expelling gas from the extraction cell through the top portion of the extraction cell; closing the top portion of the extraction cell and increasing the pressure in the extraction cell as extraction medium flows into the bottom portion of the extraction cell; stopping the flow of extraction medium into the extraction cell; steeping the extraction material in the extraction medium under pressure to produce an extract; and introducing a second aliquot of extraction medium through the bottom portion of the extraction cell to push extract through top portion of the extraction cell.

An upward flow extraction method, apparatus, and extract are disclosed. The upward flow extraction method can comprise loading extraction material into an extraction cell having a bottom portion and a top portion; introducing a first aliquot of extraction medium through the bottom portion of the extraction cell; expelling gas from the extraction cell through the top portion of the extraction cell; closing the top portion of the extraction cell and increasing the pressure in the extraction cell as extraction medium flows into the bottom portion of the extraction cell; stopping the flow of extraction medium into the extraction cell; steeping the extraction material in the extraction medium under pressure to produce an extract; and introducing a second aliquot of extraction medium through the bottom portion of the extraction cell to push extract through top portion of the extraction cell.

The present invention provides an instant coffee composition for forming a coffee beverage, wherein the composition comprises at least 6 wt % of an insoluble coffee sediment fraction, the insoluble coffee sediment fraction comprising, when analysed after acid hydrolysis, 1 wt % or less arabinose.

An upward flow extraction method, apparatus, and extract are disclosed. The upward flow extraction method can comprise loading extraction material into an extraction cell having a bottom portion and a top portion; introducing a first aliquot of extraction medium through the bottom portion of the extraction cell; expelling gas from the extraction cell through the top portion of the extraction cell; closing the top portion of the extraction cell and increasing the pressure in the extraction cell as extraction medium flows into the bottom portion of the extraction cell; stopping the flow of extraction medium into the extraction cell; steeping the extraction material in the extraction medium under pressure to produce an extract; and introducing a second aliquot of extraction medium through the bottom portion of the extraction cell to push extract through top portion of the extraction cell.

A portable beverage press mug is includes a vessel and a press head assembly. The press head assembly includes a screen (or filter) and a valve arrangement covering the screen. The valve arrangement is movable in response to fluid pressure to create a gap between the valve arrangement and the frame and permit fluid to pass through the screen and the gap.

A method and equipment for extracting dissolvable solids from small particles using a staged, counter-current battery of centrifuges is described. The advantages gained by working with particles having a mean diameter smaller than 50 microns and doing the extraction with the particles dispersed in a non-flowing liquid are (1) a significant reduction in the concentration gradient of the dissolvable solids across the diameter of the particles and throughout the body of particles being extracted in a comparable standard column battery and (2) higher overall yields because extraction can be conducted to a uniform limit rather than being constrained by a local (surface or column position) limit. As regards coffee extraction, the equipment and method are intended for the production of high quality concentrated coffee extracts rather than the production of soluble or instant coffee.

The present invention relates to a centrifugal coffee brewing device, comprising: a spinning assembly which is rotatable about a main axis, the spinning assembly comprising: a chamber element comprising a bottom wall, a cylinder element comprising a filter, wherein the chamber element and the cylinder element form a brewing chamber, a main drive for rotating the spinning assembly about the main axis for centrifuging the coffee, wherein the cylinder element including the filter is movable between a first, lower position in which the filter forms the circumference of the brewing chamber and in which the spinning assembly has a brewing configuration, and a second, upper position in which the circumference of the brewing chamber is open, and in which second position coffee residue can be ejected by spinning the chamber element.

A portable beverage press mug is includes a vessel and a press head assembly. The press head assembly includes a screen (or filter) and a valve arrangement covering the screen. The valve arrangement is movable in response to fluid pressure to create a gap between the valve arrangement and the frame and permit fluid to pass through the screen and the gap.

The present invention relates to a centrifugal coffee brewing device, including: a spinning assembly which is rotatable about a main axis, the spinning assembly including: a chamber element including a bottom wall, a cylinder element including a filter, wherein the chamber element and the cylinder element form a brewing chamber, a main drive for rotating the spinning assembly about the main axis for centrifuging the coffee, wherein the cylinder element including the filter is movable between a first, lower position in which the filter forms the circumference of the brewing chamber and in which the spinning assembly has a brewing configuration, and a second, upper position in which the circumference of the brewing chamber is open, and in which second position coffee residue can be ejected by spinning the chamber element.

A portable beverage press mug is includes a vessel and a press head assembly. The press head assembly includes a screen (or filter) and a valve arrangement covering the screen. The valve arrangement is movable in response to fluid pressure to create a gap between the valve arrangement and the frame and permit fluid to pass through the screen and the gap.