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The ethyl acetate extracts of Dendrobium officinale showed relatively strong antioxidant activity, indicating that some small molecule compounds with antioxidant capacity were mainly extracted in the ethyl acetate layer. Therefore, the free radical scavenging ability of Dendrobium officinale extracts was ethyl acetate extract > ethanol extract > MCI column adsorption extract, chloroform extract and petroleum ether extract were extremely weak in scavenging free radicals, and the free radical scavenging abilities of the extracts were lower than that of Vc.
Uses of dendrobium nobile extract.
The ethyl acetate extract of Dendrobium nobile had relatively strong antioxidant activity, indicating that some small molecular compounds with antioxidant ability were mainly extracted in the ethyl acetate layer. Therefore, the free radical scavenging ability of Dendrobium nobile extract was ethyl acetate extract > ethanol extract >MCI column adsorption extract. The free radical scavenging ability of chloroform extract and petroleum ether extract was very weak, and the free radical scavenging ability of the extract was lower than that of Vc.
Preparation of dendrobium nobile extract.
Product method of Bulk dendrobium nobile extract Powder.
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