Figure 1.
Forsythia suspense and Phillyrin (Phil). (A) The flowers and leaves of Forsythia suspense. (B) The fruits of Forsythia suspense, namely, “Lianqiao” in Chinese. (C) The flowers can be used to make forsythia flower-egg pancakes. (D) The leaves can be used to make forsythia-tea. (E) The extracts from Forsythia suspense have often been used as an ingredient in the cosmetic industries (such as forsythia oil and forsythia soap). (F) The molecular structure of Phil.