This invention relates to a method of producing burdock essence, comprising the following steps: adding an excipient to burdock juice to prepare burdock lyophilized powder, extracting burdock slag to prepare burdock slag concentrated extract, extracting burdock slices to prepare burdock slice concentrated extract, mixing and drying burdock slag concentrated extract and burdock slice concentrated extract to prepare burdock extract powder, and mixing the burdock lyophilized powder and the burdock extract powder to obtain burdock essence. The burdock essence made by this invention has the effects of protecting stomach and its mucosa, facilitating enterogastric peristalsis and effectively inhibiting liver inflammation.本發明有關一種牛蒡精華素之製法,該製法包含取牛蒡汁添加賦型劑以製成牛蒡凍乾粉之步驟、取牛蒡渣萃取以製成牛蒡渣濃縮浸膏之步驟、取牛蒡片萃取以製成牛蒡片濃縮浸膏之步驟、將牛蒡渣濃縮浸膏與牛蒡片濃縮浸膏混合乾燥以製成牛蒡萃取粉之步驟、及將牛蒡凍乾粉與牛蒡萃取粉混合而得牛蒡精華素之步驟。本發明所製得的牛蒡精華素具有保護胃部及其黏膜、促進腸胃蠕動、及有效降低肝臟發炎等保健功效。100...取牛蒡汁添加賦型劑以製成牛蒡凍乾粉102...取牛蒡渣萃取以製成牛蒡渣濃縮浸膏104...取牛蒡片萃取以製成牛蒡片濃縮浸膏106...將牛蒡渣濃縮浸膏與牛蒡片濃縮浸膏混合乾燥以製成牛蒡萃取粉108...將牛蒡凍乾粉與牛蒡萃取粉混合而得牛蒡精華素