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. 2015 Feb 24;10(2):e0118574. doi: 10.1371/journal.pone.0118574

Table 1. Gnaphaliin and Helipyrone yield in successive extractions with the optimized method and in scale-up.

5ml Cell (0.6g) Gnaphaliin yield (%) Helipyrone yield (%)
Extraction 1 98.83 99.05
Extraction 2 0.96 0.72
Extraction 3 0.19 0.22
100ml Cell (5g)
Extraction 1 94.29 94.18
Extraction 2 2.74 2.85
Extraction 3 2.95 2.96