b. WoS demonstrated that there has been an increase over time in the top ten themes. For Scopus, the topics include antioxidant activity, cytotoxicity, alkaloids and anti-inflammatory activity. In the case of WoS, themes cover anthocyanins, polyphenols, essential oil and flavonoids. It is relevant to note, that topics such as cytotoxicity and antioxidant activity, are relevant to the studies found in both databases.