《黄帝内经·素问·五常政大论》
其气化淳厚，咸味得以内守，其气专精而能生金，故辛味也得以生化，而与湿土同治。
化淳则咸守，气专则辛化而俱治。
Its Qi transformation is mellow, the salty flavor can be kept internally, its Qi is specialized and can produce gold, so the spicy flavor can also be transformed, and it can be used with the moist soil.