- We have developed efficient protocols for the phytochemical analyses of natural compounds with biological activities.
- Phytochemical analyses of plant extracts and commercial natural products.
- Testing of the biological activity of plant extracts and commercial natural products.
- In vitro plants synthesized and stored significant quantities of natural compounds and represent a promising system for obtaining qualitatively and quantitatively standardized extracts for the pharmaceutical and cosmetic industries.
Phytochemical Analyses of Commercial Natural Plant Products
Chromatographic Analyses of Bioactive Compounds (HPLC/DAD/ESI-MSn and UPLC-TUV) |
Acyl-phloroglucinols |
Anthocyanins |
Cannabinoids (Ph. Eur.) |
Flavanols |
Flavonoid aglycones |
Flavonol glycosides |
Naphtodianthrones/Hypericins (Ph. Eur.) |
Phenolic acids |
Xanthones |
Spectrophotometric Analyses of Bioactive Compounds |
Anthocyanins (pH differential method) |
Cannabinoids (Ph. Eur.) |
Catechins/Flavanols (DMACA reagent) |
Flavonoids (AlCl3 reagent) |
Hypericins (Ph. Eur.) |
Phenolic acids (Arnow reagent) |
Phenolic compounds (Folin-Ciocalteu reagent) |
Proanthocyanidins (Butanol-HCl reagent) |
Non-Enzymatic Antioxidants |
Ascorbic acid (DTT reagent) |
Carotenoids (Acetone reagent) |
Chlorophylls (Acetone reagent) |
Glutathione (DTNB reagent) |
Tocopherols (α-α’-bipyridyl and FeCl3 reagents) |
Antioxidant Enzymes |
Ascorbate peroxidase activity (APX, EC 1.11.1.11) |
Catalase activity (CAT, EC 1.11.1.6) |
Glutathione reductase activity (GR, EC 1.6.4.2) |
Guaiacol peroxidase activity (PX, EC 1.11.1.7) |
Superoxide dismutase activity (SOD, EC 1.15.1.1) |
Antioxidant Activity |
ABTS radical scavenging activity |
Cupric ion reducing antioxidant capacity (CUPRAC assay) |
DPPH radical scavenging activity |
Ferric ion reducing antioxidant power (FRAP assay) |
Ferrous chelating activity (FCA assay) |
Lipid peroxidation inhibition (LPI assay) |
Phosphomolybdenum (PM) assay |
Reducing power (RP assay) |
Reactive Oxygen/Nitrogen Species (ROS/RNS) Scavenging Activity |
Hydrogen peroxide (H2O2) scavenging activity |
Hydroxyl radical (OH•) scavenging activity |
Nitric oxide (NO) scavenging activity |
Superoxide radicals (O2•-) scavenging activity |
Oxidative Stress Marker Contents |
Hydrogen peroxide (H2O2) production |
Superoxide radical (O2•-) production |
Malondialdehyde (MDA) content |
Biological Activity of Commercial Natural Plant Products
Skincare and Anti-Aging Products |
UV-protective activity (UV-spectra method) |
Skin Depigmentation (Inhibition of Tyrosinase activity) |
Anti-aging and anti-wrinkle activity (Inhibition of Elastase activity) |
Anti-aging and anti-wrinkle activity (Inhibition of Collagenase activity) |
Antidepressant Products |
Antidepressant activity (Inhibition of Monoamine oxidase A activity) |
Neuroprotective Products |
Neuroprotective activity (Inhibition of Acetylcholinesterase activity) |
Neuroprotective activity (Inhibition of Butyrylcholinesterase activity) |
Anti-Inflammatory Products |
Anti-inflammatory activity (Inhibition of β-glucuronidase activity) |
Anti-inflammatory activity (Inhibition of Lipoxygenase activity) |
Anti-inflammatory activity (Inhibition of Xanthine oxidase activity) |
Antidiabetic Products |
Antidiabetic activity (Inhibition of α-amylase activity) |
Antidiabetic activity (Inhibition of α-glucosidase activity) |
Antihyperlipidemic Products |
Antihyperlipidemic activity (Inhibition of Pancreatic lipase activity) |
Antihyperlipidemic activity (Inhibition of Cholesterol esterase activity) |
Gastroprotective Products |
Gastroprotective activity (Inhibition of Urease activity) |
Cardioprotective Products |
Cardioprotective activity (Inhibition of Phosphodiesterase activity) |
Antitoxic Products |
Antitoxic activity (Inhibition of Carboxyl esterase activity) |
Antiprotease Products |
Antiprotease activity (Inhibition of α-chymotrypsin) |
Antiprotease activity (Inhibition of trypsin) |
In Vitro Digestion of Natural Products (Bioaccessibility and Bioavailability) |
In vitro oral digestion (Simulation of salivary digestion) |
In vitro gastric digestion (Simulation of gastric digestion) |
In vitro intestinal digestion (Simulation of intestinal digestion) |