Complex sentence: Lin, having grown up as an Asian minority, has said that she "didn't even realize" she was Chinese until later in life, and that it was not until her 30s that she had a desire to understand her cultural background.
Split into simpler sentences: Lin, having grown up as an Asian minority, has said that she "didn't even realize" she was Chinese until later in life. It was not until her 30s that she had a desire to understand her cultural background.