Table 1.

The content of the total bioactive compounds (mg 100 g⁻¹ dry weight (DW)) from different polyphenols groups in fireweed leaves. Mean value ± standard error, n = 3.

Bioactive Group/Fermentation Method	2017
	Fermented 24 h	Fermented 48 h	Control (Not Fermented)	p-Value
Total polyphenols	3506.80 ± 14.17 a	3024.96 ± 20.88 b	1843.01 ± 38.22 c	<0.00001
Total phenolic acids	1802.27 ± 33.70 a 1	1712.63 ± 16.22 a	1131.46 ± 21.81 b	<0.00001
Total flavonoids	1704.52 ± 23.41 a	1312.33 ± 11.94 b	711.55 ± 21.06 c	<0.00001
Bioactive Group/ Fermentation Method	2018
	Fermented 24 h	Fermented 48 h	Control (Not Fermented)	p-Value
Total polyphenols	3956.00 ± 9.80 b	4200.50 ± 28.05 a	4309.77 ± 13.80 a	<0.00001
Total phenolic acids	2135.62 ± 11.75 b	2289.14 ± 27.72 b	2772.18 ± 14.64 a	<0.00001
Total flavonoids	1820.38 ± 5.01 a	1911.37 ± 8.73 a	1537.60 ± 14.59 b	<0.00001

¹ Means in rows followed by the same letter are not significantly different at the 5% level of probability (p < 0.05).