HONG KONG, China — Acrylamide, a cancer-causing substance, was detected in more than 95 per cent of coffee samples tested by Hong Kong’s Consumer Council. The consumer watchdog unveiled yesterday that it had tested 49 different types of coffee products in the market and found that genotoxic carcinogenic acrylamide in the 47 samples with amounts varying by almost 14 times, of which instant coffee samples were detected with a higher level. The Council reminds consumers that immature coffee beans contain a large...