Abstract
We load the natural active molecules onto the spin film in an array using electrospinning techniques. The electrospun active molecular membranes we obtain in optimal parameters exhibit excellent capacity for scavenging radical. The reaction capacity of three different membranes for free radicals are shown as follow, glycyrrhizin acid membrane > quercetin membrane > α-mangostin membrane. The prepared active molecular electrospun membranes with a large specific surface area and high porosity could increase the interaction area between active molecules and free radicals. Additionally, it also has improved anti-airflow impact strength, anti-contaminant air molecular interference ability, and the ability to capture free radicals.
Highlights
Atmospheric free radicals are molecules, ions, or groups with unmatched electrons which have strong oxidizing capacity
Most of them contain phenolic hydroxyl groups in their molecular structure; the phenolic hydroxyl group of flavonoids is the site of its antioxidant activity [7]
Radicals, and the scavenging abilities of the three active substances on free radicals in the. It can be seen from the figure that all the three active molecules have remarkable scavengingatmosphere effects on free radicals, and the >scavenging of the three active substances on free radicals in the is ranked: glycyrrhizic acid quercetin abilities
Summary
Atmospheric free radicals are molecules, ions, or groups with unmatched electrons which have strong oxidizing capacity They are the most important chemical intermediates or media in the atmosphere and play a crucial role in the atmospheric photo-chemical reactions. The natural active molecules found in the roots and leaves of plants and fruits, such as flavonoids, are a kind of polyphenol compounds in nature They have important use value in pharmaceutical, industrial, and other industries [5,6]. The phenolic hydroxyl group can provide hydrogen for the atmosphere free radical and itself transform into a phenolic radical This occurs under the resonance of the aromatic conjugated system forming semiquinone radical [8,9,10]. They have a wide range of pharmacological activities, including anti-oxidation, anti-cancer, and anti-inflammatory properties, as well as helping with the recovery of injured tissues [11,12,13].For example, quercetin [14,15]; glycyrrhizic acid [16], mangosteen peel extract [17], etc., have been proven to have strong antioxidant capacity, free radical scavenging ability, and various pharmacological activities
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