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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Fitoterapia. 2016 Apr 23;112:30–37. doi: 10.1016/j.fitote.2016.04.019

Fig. 7.

Fig. 7

The qHNMR spectra used for calculation of the recovery (%) using DMSO solvent signal area as internal calibrant standard. (a) the aliquot positive control, in blue. (b) the recovered test sample, in yellow. A, B, C and D represent rutin, quercetin, kaempferol, and daidzein, respectively. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)