Back in 1874, a group of German scientists figured out what vanillin looked like and started making it out of a chemical in pine bark called coniferin that smells and tastes like cloves.

早在 1874 年，一群德国科学家就弄清楚了香兰素的样子， 并开始用松树皮中一种叫做针叶树素的化学物质制造它， 这种化学物质闻起来和尝起来都像丁香。