Vol. 11, Special Issue 7 (2022)

Author(s):
Amardeep Sanjay Gurav, Tiluttama Mudoi and Basavaraj K

Abstract:
Coffee is the most popular beverages worldwide. But the waste produced from coffee industry creates a problem for environment due to presence of high organic compounds. Utilization of these compounds is the best way to minimize the environmental pollution and also to develop quality products. So present study was aimed to evaluate the chemical composition of spent coffee grounds generated from espresso machine. Therefore, Arabica and Robusta coffee were selected for analysis. Moisture content was found in the rage of 4.6% to 3.5% for spent coffee grounds generated from espresso machine. Total soluble solid was determined and was found 14% and 13% for Arabica and Robusta espresso spent coffee grounds. Robusta espresso spent coffee grounds contained higher amount of ash content i.e. 1.9% than Arabica (1.2%). Soluble protein content was found 0.35% and 0.32% for Arabica and Robusta espresso spent coffee grounds respectively. Lipid content was found high in both Arabica and Robusta spent coffee that were 12 and 10%. Caffeine content was found in Arabica and Robusta espresso spent coffee i.e. 0.27 and 0.28%. Arabica and Robusta spent coffee showed good source of chlorogenic acid i.e 1.4% and 1.5% respectively. Espresso spent coffee grounds showed higher antioxidant activity as determined by DPPH free radical scavenging activity.