《黄帝内经·素问·五常政大论》
厥阴风木在泉，则清毒之物不生，凡甘味的东西都不生，其所主之味是酸、苦，在谷类是属于青和红色之类；其气化专一，其味纯正。
厥阴在泉，清毒不生，其味甘，其治酸苦，其谷苍赤，其气专，其味正。
If the Jueyin wind wood is in the spring, then the clear poison will not be born, and all sweet things will not be born, its main flavor is sour and bitter, and in grains it belongs to the green and red category; its Qi transformation is specialized, and its flavor is pure.