Antioxidant phenolic constituents in roots of Rheum officinale and Rubia cordifolia: Structure-radical scavenging activity relationships
作者： Cai , Mei Sun , Jie Xing , Harold Corke
DOI: 10.1021/JF0489116
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摘要: … Major MS spectra/fragment data (m/z) at positive mode and negative mode of parts of peaks. Peak 2: 293.0, 417.1, 485.1 [M + Na] + , 461.1 [M − H] - . Peak 3: 445.0, 637.0 [M + Na] + , …
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