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Research Article

Sempervivum davisii: phytochemical composition, antioxidant and lipase-inhibitory activities

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Pages 532-540 | Received 05 Nov 2015, Accepted 29 Oct 2016, Published online: 09 Dec 2016

Figures & data

Table 1. The yield of lyophilized extracts obtained from S. davisii Muirhead aerial plant parts, their phenolics and sugar contents.

Figure 1. High-performance liquid chromatography profile of ethanol-based lyophilized extract obtained from S. davisii Muirhead aerial parts at (A) 280 nm and (B) 370 nm; (1) quercetin/hesperidin hexoside, (2) kaempferol rutinoside, (3) kaempferol hexoside + glucuronide, (4) kaempferol hexoside.

Figure 1. High-performance liquid chromatography profile of ethanol-based lyophilized extract obtained from S. davisii Muirhead aerial parts at (A) 280 nm and (B) 370 nm; (1) quercetin/hesperidin hexoside, (2) kaempferol rutinoside, (3) kaempferol hexoside + glucuronide, (4) kaempferol hexoside.

Table 2. Mass spectrometric details (LC-MS/MS) and concentration (HPLC-DAD) of phenolic compounds in ethanol-based lyophilized extracts obtained from S. davisii Muirhead aerial plant parts.

Figure 2. Total ion chromatogram of volatile compounds profile of ethanol-based lyophilized extract obtained from S. davisii Muirhead aerial parts: (1) Dehydroxylinalool oxide isomers, (2) Octanal, (3) Cymene, (4) Nonanal, (5) 2-Decenal, (6) 2,4-Decadienal, (7) 2-Undecenal, (8) 2,6-Di-tert-butylphenol, (9) Palmitic acid ethylester.

Figure 2. Total ion chromatogram of volatile compounds profile of ethanol-based lyophilized extract obtained from S. davisii Muirhead aerial parts: (1) Dehydroxylinalool oxide isomers, (2) Octanal, (3) Cymene, (4) Nonanal, (5) 2-Decenal, (6) 2,4-Decadienal, (7) 2-Undecenal, (8) 2,6-Di-tert-butylphenol, (9) Palmitic acid ethylester.

Table 3. Volatile compounds in lyophilized hydrophilic extracts prepared from S. davisii Muirhead aerial plant parts.

Table 4. Antioxidant and lipase inhibitory activities of lyophilized hydrophilic extracts prepared from S. davisii Muirhead aerial plant parts.

Figure 3. Dose-dependent antilipase activity of S. davisii Muirhead extracts.

Figure 3. Dose-dependent antilipase activity of S. davisii Muirhead extracts.

Table 5. Correlation analysis between phenolic compounds and antioxidant and lipase inhibitory activities of plant extracts obtained from S. davisii Muirhead aerial plant parts.