Assessment of the bioactive components, antioxidant, antiglycation and anti-inflammatory properties of Aquilaria crassna Pierre ex Lecomte leaves

UV/H2O2, UV/H2O2/SnO2 and Fe/H2O2 based advanced oxidation processes for the degradation of disperse violet 63 in aqueous medium

“…When increased quantity of H 2 O 2 is added to solution, then additional hydroxyl radicals are obtainable for oxidation of dye. As a result, there must be appropriate amount of H 2 O 2 for the effective dyes removal [22][23][24][25][26][27][28]. Therefore, H 2 O 2 should be introduced at an optimal concentration to obtain best degradation and the optimum concentration was 9% H 2 O 2 .…”

Thermal Degradation Kinetics and pH-Rate Profiles of Iriflophenone 3,5-C-β-d-diglucoside, Iriflophenone 3-C-β-d-Glucoside and Mangiferin in Aquilaria crassna Leaf Extract

“…Compounds 1-3 are polyphenols from natural origins that play important bioactive roles, such as being an antioxidant for compounds 1-3 [14], being antimicrobial [17] and having anti-inflammatory [14,18] and vasorelaxant [16] properties for compound 3. Previous reports have indicated that there is evidence supporting the correlation between the phenolic contents in plant extracts and their bioactivity properties.…”

“…The Shimadzu LC-20A HPLC system with Shimadzu SPD-20A UV/Vis detector (Shimadzu Corporation, Kyoto, Japan) was used for HPLC analysis that was performed in accordance with the method described in our previous report [14]. A Phenomenex Luna C18 column (150 mm × 4.6 mm, 5 µm), together with a Phenomenex C18 guard column (4 mm × 3 mm, 5 µm), was operated at 30 • C (Shimadzu column oven, CTO-10AS VP) in order to separate compounds 1-3 at wavelengths of 310 nm.…”

“…have been used in food products, such as herbal tea, biscuits and ice-cream [ 13 ]. The A. crassna Pierre ex Lecomte species especially has also been tested and reported to have anti-oxidative, anti-inflammatory, anti-aging [ 14 ], neuroprotective [ 15 ] and vasorelaxant activities [ 16 ]. Previous reports also indicate that the main bioactive compounds related to these bioactivities include iriflophenone 3,5- C - β - d -diglucoside ( 1 ), iriflophenone 3- C - β - d -glucoside ( 2 ) and mangiferin ( 3 ) (see structure in Figure 1 ) [ 14 , 15 , 16 ].…”

Microwave Hydrodiffusion and Gravity (MHG) Extraction from Different Raw Materials with Cosmetic Applications

“…The natural bioactive compounds used in cosmetics can provide a variety of activities, acting as humectants, photoprotective, antioxidant, antimicrobial, or anti-aging agents [8][9][10]. Alternative botanical sources of interest could be employed in cosmetic products since numerous bioactive compounds with health benefits in this sense derived from vegetable raw materials.…”