Magnolia Flower and Perilla Leaf Tea (辛夷苏叶茶) To clear mucus from sinuses and reduce inflammation, try this recipe! Ingredients Perilla Leaf (苏叶, Su Ye) 6g Magnolia Flowers (辛夷, Xin Yi) 2g Water 300-500ml Instructions Put all of the ingredients into a cup. Add boiling water and let it simmer for 15 minutes. Drink one time a day, to clear mucus from sinuses and reduce inflammation.