Camellia nitidissima Chi extracted theaflavin medicament for resisting novel coronavirus and preparation method and application thereof

摘要

Novel coronavirus medicament comprising: 20-60 parts theaflavin-3-monogallate extracted from Camellia nitidissima (golden camellia); 20-60 parts theaflavin-3,3’-digallate extracted from Camellia nitidissima; 3-8 parts hyaluronic acid; 8-20 parts nicotinamide; 15-30 parts ceramide; 3-10 parts pyruvate; 12-30 parts sodium pyruvate; 3-8 parts polyhaxemethyleneguanidine; 5-15 parts Tween; 150-500 parts glycerol; and 15-35 parts p-hydroxybenzoic ester. Also disclosed is a method of extracting theaflavins from Camellia nitidissima comprising: washing, drying, crushing, and sieving Camellia nitidissima to obtain powder; adding anhydrous ethyl acetate to extract; evaporating and washing with chloroform and drying (vacuum, 30-80 °C) to obtain crude theaflavin. Theaflavin-3-monogallate and theaflavin-3,3’-digallate are obtained from crude theaflavin by countercurrent chromatography. The medicament is obtained by mixing the extracts with hyaluronic acid, nicotinamide, ceramide, pyruvic acid, sodium pyruvate, polyhexamethylguanidine, Tween, glycerol, and p-hydroxybenzoate to obtain a powder, before ethanol is added and the powder dissolved .The medicament may be a spray.