“…In our laboratory, we identified seven major compounds in guava leaves, which included gallic acid, catechin, epicatechin, rutin, quercetin, naringenin, and kaempferol (Table 1). Much of the literature indicates that phenolic compounds are beneficial to cancer prevention (Hollman & Katan, 1999) and many atherosclerotic vascular diseases (Chalas et al, 2001;Kerry & Abbey, 1997).…”