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. 2015 Aug 12;15:268. doi: 10.1186/s12906-015-0793-2

Table 2.

Compounds and Retention times

Peak no. Compound name Retention time (Minutes) Retention time (Minutes) of standards Reference
1 Hydroxyvalerenic acid 3.56 3.60 Roy, 1999
2 Valerenic acid 11.15 11.31