The Duo Bu Sudden methods of this Hair Ming Department Off Yu mono- Seed improvement, to From Silver apricots (ginkgo biloba) System Prepare have 4 -O- methyl pyridoxines of low content Ji/Huo Twin Yellow ketone extract, wherein The You Over Filter Over adsorb Elixirs Trees rouge Ji/Huo From Jiao Change Elixirs Jin rows exhaust Office reason and Will to be taken out Wu Quality and be retained on Trees rouge. Bright mono- step Off whats of Jin, one Seed of this Hair can use the extract for the 4 -O- methyl pyridoxines of tool low content and/or Twin Yellow ketone that the bright method From Silver apricots of this Hair of root According obtain, and application thereof.本發明係關於一種改良的多步驟方法,用以從銀杏(ginkgo biloba)製備具低含量4’-O-甲基吡哆醇及/或雙黃酮之萃取物,其中經由過濾過吸附劑樹脂及/或離子交換劑進行耗竭處理且將要取出的物質保留在樹脂之上。本發明進一步關於一種可用根據本發明方法從銀杏得到之具低含量4’-O-甲基吡哆醇及/或雙黃酮之萃取物,及其用途。
