Another source of large amounts of disposable by-products is the coffee processing industry. Coffee plants (Coffea Arabica and Coffea robusta) are cultivated in many world countries, in particular those localized in the equatorial Latin America, South Asia, India and Africa.
These green beans are still a precious source of which have not yet been broken down by the roasting process [38].
Therefore, in order to have a valuable ingredient, rich in bioactive anti-oxidant compounds, unroasted coffee beans were collected, subjected to decaffeination using two natural elements, pure water and carbon dioxide (CO2), and extracted in ethanol. After ethanol removal, it was observed that the jelly-like extract improved natural skin cell renewal, promoted an even skin tone for a radiant complexion and reinforced the epidermal barrier. Moreover, it helped prevent water loss, lighten the skin by inhibiting melanin synthesis and accelerated damaged skin repair, by decreasing the inflammatory process [39].
requires an elevated degree of processing know how and produces by-products such as coffee pulp and
the manual step of coffee berry collection and selection can generate quantities of unused green beans,
Coffee dispensation
husk, which have limited applications as fertilizer, livestock feed and compost [38]. On the other hand,
because they have been mechanically damaged or not sufficiently ripe and big to pass to the next
processing step.
natural antioxidants,