Assertion: lemon peel | /r/MadeOf | two layers
Facets:
Source sentences:
text: Lemon peel consists of two layers: the outermost layer (“zest”), which contains essential oils (6 percent) that are composed mostly of limonene (90 percent) and citral (5 percent), plus a small amount of cintronellal, alphaterpineol, linayl, and geranyl acetate.