containing flavanols . the seeds have been used to make beverages for some years in aztec , olmec , and maya civilizations in central and south america. the drinks were ascribed a wide variety of curative and stimulant properties, unsupported by experimental evidence. in the th century, chocolate as...
or biofuel from treatment) is a great challenge. some agri-products that have are speedily becoming good sources of energy are: corn (usa) sugarcane (brazil sugarbeet & wheat (europe) sorghum (china) palm oil (malaysia & indonesia) jatropha (india) mainly an oligopoly, india is a highly fragmented...