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Original Article

Anticholinergic, antidiabetic and antioxidant activities of cinnamon (cinnamomum verum) bark extracts: polyphenol contents analysis by LC-MS/MS

ORCID Icon, , , , , , , , & show all
Pages 1511-1526 | Received 07 May 2019, Accepted 30 Jul 2019, Published online: 29 Aug 2019

Figures & data

Table 1. Validation and uncertainty parameters for antioxidant phenolic acids, LC-MS/MS parameters of selected compounds and the amounts of antioxidants in the WEC and EEC in mg/kg (WEC: Lyophilized water extract of cinnamon (Cinnamomum verum), EEC: Evaporated ethanolic extract of cinnamon (Cinnamomum verum)

Figure 1. LC-MS/MS chromatograms of WEC (A) and EEC (A) from cinnamon (Cinnamomum verum). [WEC: Lyophilized water extract of cinnamon (Cinnamomum verum), EEC: Evaporated methanolic extract of cinnamon (Cinnamomum verum)]

Figure 1. LC-MS/MS chromatograms of WEC (A) and EEC (A) from cinnamon (Cinnamomum verum). [WEC: Lyophilized water extract of cinnamon (Cinnamomum verum), EEC: Evaporated methanolic extract of cinnamon (Cinnamomum verum)]

Table 2. The reducing abilities of the WEC, EEC and standards including trolox and α-tocopherol at the same concentration (30 μg/mL) by Fe3+-Fe2+ and Fe3+-TPTZ transformation methods, as well as the Cu2+ reducing ability by the CUPRAC method (WEC: lyophilized water extract of cinnamon (Cinnamomum verum), EEC: evaporated ethanolic extract of cinnamon (Cinnamomum verum)

Figure 2. Antioxidant activity of WEC and EEC from cinnamon (Cinnamomum verum). a. Fe3+ reducing assay; b. Cu2+ reducing ability by the CUPRAC assay; c. DPPH· scavenging assay; d. ABTS•+ scavenging assay. [WEC: Lyophilized water extract of cinnamon (Cinnamomum verum), EEC: Evaporated ethanolic extract of cinnamon (Cinnamomum verum)]

Figure 2. Antioxidant activity of WEC and EEC from cinnamon (Cinnamomum verum). a. Fe3+ reducing assay; b. Cu2+ reducing ability by the CUPRAC assay; c. DPPH· scavenging assay; d. ABTS•+ scavenging assay. [WEC: Lyophilized water extract of cinnamon (Cinnamomum verum), EEC: Evaporated ethanolic extract of cinnamon (Cinnamomum verum)]

Figure 3. a.The main components in the WEC and EEC from cinnamon (Cinnamomum verum). b. IC values of WEC and EEC from cinnamon (Cinnamomum verum). [WEC: Lyophilized water extract of cinnamon (Cinnamomum verum), EEC: Evaporated ethanolic extract of cinnamon (Cinnamomum verum)]

Figure 3. a.The main components in the WEC and EEC from cinnamon (Cinnamomum verum). b. IC values of WEC and EEC from cinnamon (Cinnamomum verum). [WEC: Lyophilized water extract of cinnamon (Cinnamomum verum), EEC: Evaporated ethanolic extract of cinnamon (Cinnamomum verum)]

Table 3. Determination of the half maximal concentrations (IC50, μg/mL) of WEC and EEC standards for the DPPH and ABTS•+ scavenging activities (WEC: lyophilized water extract of cinnamon (Cinnamomum verum), EEC: evaporated ethanolic extract of cinnamon (Cinnamomum verum)

Table 4. The enzyme inhibition results (IC50 values; µg/mL) of the WEC and EEC on acetylcholinesterase, α-amylase, α-glycosidase, and butyrylcholinesterase enzymes (WEC: lyophilized water extract of cinnamon (Cinnamomum verum), EEC: evaporated ethanolic extract of cinnamon (Cinnamomum verum)