أرسل هذا في رسالة قصيرة: Bioactivity-guided separation of the active compounds in acacia pennata responsible for the prevention of Alzheimer's disease

             ___      ______     ___      ____    
  ____      / _ \\   /_   _//   / _ \\   |  _ \\  
 |    \\   / //\ \\  `-| |,-   / //\ \\  | |_| || 
 | [] ||  |  ___  ||   | ||   |  ___  || | .  //  
 |  __//  |_||  |_||   |_||   |_||  |_|| |_|\_\\  
 |_|`-`   `-`   `-`    `-`'   `-`   `-`  `-` --`  
 `-`