This invention discloses a preparing method of Chenopodium formosanum extracts comprising the following steps: extracting the Chenopodium formosanum seeds using a first solvent for obtaining a crude extract extracting the crude extract using second solvent for obtaining Chenopodium formosanum extracts, wherein the first solvent is ethanol, and the second solvent is selected form at least one of water, n-hexane, ethyl acetate and n-butanol. This invention also provides a dressing composition comprising the Chenopodium formosanum extracts.本發明係揭示一種臺灣藜萃取物的製備方法,包含下列步驟:將臺灣藜種子以第一溶劑進行萃取,以獲得粗萃物;以及將粗萃物以第二溶劑進行萃取,以獲得臺灣藜萃取物。其中,第一溶劑為乙醇,第二溶劑係選自水、正己烷、乙酸乙酯及正丁醇中的至少一種。本發明進一步提供一種包含臺灣藜萃取物的敷料組成物。S10~S40‧‧‧步驟
