Asian palm civet digestive juices enter into the beans and modify the micro-structural properties of these beans. Proteolytic enzymes cause substantial breakdown of storage proteins. Kopi Luwak is traditionally made from the faeces of wild civets, however, due to it becoming a trendy drink, civets are being increasingly captured from the wild and fed coffee beans to mass-produce this blend. Many of these civets are housed in battery cage systems which have been criticised on animal welfare grounds. The impact of the demand for this fashionable coffee on wild palm civet populations is yet unknown but may constitute a significant threat. In Indonesia,
Ugolnye Kopi Ugolnye Kopi Ugolnye Kopi (, lit. "coal mines") is an urban locality (an urban-type settlement) in Anadyrsky District of Chukotka Autonomous Okrug, Russia, located east of Anadyr, the administrative center of the autonomous okrug, on the opposite side of the Anadyr River. It served as the administrative center of Anadyrsky District until June 2011. Population: with an estimated population as of 1 January 2015 of 3,666. It is a mainly mining town that also hosts the region's main airport. Traces of fossil flora and fauna dating to the late Cretaceous and Paleocene were discovered on the territory of modern Ugolnye