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. 2018 Oct 10;15:73. doi: 10.1186/s12986-018-0310-y

Fig. 1.

Fig. 1

HPLC chromatogram of 70% methanol extract of GD and four standards at 323 nm. 70% M-GD, 70% methanol extract of GD lyophilised powder; 4Std, 4 standards including chlorogenic acid (1), 3,4-dicaffeoylquinic acid (2), 3,5-dicaffeoylquinic acid (3) and 4,5-dicaffeoylquinic acid (4)