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Bioresources and Bioprocessing
Fig. 4 | Bioresources and Bioprocessing

Fig. 4

From: Identification of an anti-plant-virus molecule in Alpinia zerumbet

Fig. 4

Visible spectra of procyanidins and the purified sample from A. zerumbet aqueous extracts. a Chemical structure of procyanidins A2 and B1 (upper), the spectra of procyanidin A2 (gray line) and procyanidin B1 (black line), determined using the DMAC assay (lower). b The spectrum of the purified sample from the aqueous extract of A. zerumbet, obtained using the assay

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