Compound extracted from Tibetan medicine eriophyton wallichii with antioxidant activity and extracting method thereof
A technology of antioxidant activity and extraction method, which is applied in the field of compounds with antioxidant activity and their extraction, can solve the problems of no report on system research and no report on the basis of active substances, and achieve the effect of simple extraction and separation process and scavenging free radicals
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[0017] The following drawings and preferred embodiments describe in detail the specific implementation and features provided according to the present invention as follows:
[0018] The chemical structural formula of the compound with antioxidant activity obtained by the present invention is:
[0019]
[0020] The compound is a colorless powder, by ESI-MS m / z: 487[M+Na] + , 509 [M+HCOO - ] - , it can be seen that its molecular weight is 464, combined with 1 H-NMR (C 5 D. 5 N) and 13 C-NMR (C 5 D. 5 N) data, determine that its molecular formula is C 21 h 36 o 11 , the degree of unsaturation is 4;
[0021] 1 H-NMR spectrum δ5.48 (1H, d, J=8.0Hz) and 13 The C-NMR spectrum δ99.7 is the characteristic signal of the terminal proton and carbon of the sugar, indicating that there is a β-glucose group; analyzing the carbon spectrum data of its aglycone part, it is found that its aglycone is closely related to jioglutin The aglycone skeleton of E is similar, and it is a ...
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