Kopi Luwak Indies islands of Java and Sumatra, including Arabica coffee introduced from Yemen. During the era of "Cultuurstelsel" (1830–70), the Dutch prohibited the native farmers and plantation workers from picking coffee fruits for their own use. Still, the native farmers wanted to have a taste of the famed coffee beverage. Soon, the natives learned that certain species of "musang" or "luwak" (Asian palm civet) consumed the coffee fruits, yet they left the coffee seeds undigested in their droppings. The natives collected these luwaks' coffee seed droppings, then cleaned, roasted and ground them to make their own coffee beverage. The fame of
Coffee 2013, "The Seattle Times" reported that global coffee prices dropped more than 50 percent year-over-year. The downward trend continued, and in September 2018 coffee futures dropped to a 12-year low, below the cost of production for many farmers in mountainous regions who cannot use mechanized harvesting methods. In Thailand, black ivory coffee beans are fed to elephants whose digestive enzymes reduce the bitter taste of beans collected from dung. These beans sell for up to $1,100 a kilogram ($500 per lb), achieving the world's most expensive coffee some three times costlier than beans harvested from the dung of Asian palm