1. Abou AAA, Abu SFM, Abou AEA (2011) Physicochemical properties of natural pigments (anthocyanin) extracted from Roselle calyces (Hibiscus subdariffa). J Am Sci 7:445–456
2. Aburjai T, Natsheh FM (2003) Plants used in cosmetics, phytotheraphy research 17:987–1000
3. Adelowo F, Oladeji O (2017) An overview of the phytochemical analysis of bioactive compounds in Senna alata. Am J Chem Biochem Eng 2:7–14
4. Afzal M, Kazmi I, Khan R, Singh R, Chauhan M, Bisht T, Anwar F (2012) Bryophyllum pinnatum: a review. Int J Res Biol Sci 2:143–149
5. Agiga T, Seki T (2000) Flavor components of garlic (Allium sativum L.) and their multiple functions. Aroma Res 1:16–27