This book presents current research from across the globe in the study of the types, biological activities and health effects of bioactive compounds. Topics discussed include calcium orthophosphate bioceramics in biomedical applications; the biological and toxicological effects of naphthoquinones; probiotics, bioactive compounds and vaccines used in bovine mastitis; supercritical fluid extraction of bioactive compounds; microalgae as a promising source of bioactive compound and flavonoid compounds and their antioxidant activity.