. 2018 Dec 6;7(12):184. doi: 10.3390/antiox7120184

Table 1.

Ethanol 50% extraction yields, total phenolic contents (TPC), flavonoid contents (TFC) and total carotenoid contents (TCC).

Extracts	Extraction Yield (%)	TPC ⁽*⁾ (Eq. mg Gallic Acid/g)	TFC ⁽*⁾ (Eq. mg Quercetin/g)	TCC ⁽*⁾ (Eq. mg β-Carotene/g)
MS	27.3	30.8 ± 3.0 ^a	5.2 ± 0.4 ^b	3.4 ± 0.1 ^b
MP	24.3	28.3 ± 1.5 ^a	5.7 ± 0.2 ^b	3.3 ± 0.2 ^b
MR	29.5	23. 8 ± 3.3 ^b	7.1 ± 0.3 ^a	4.2 ± 0.2 ^a

⁽*⁾ Data from three independent experiments; all contents are expressed versus dry plant material. Values in the same column sharing different letters are significantly different (p < 0.05). Mentha spicata L. (MS), Mentha pulegium L. (MP) and Mentha rotundifolia (L.) Huds (MR). Eq: Equivalent.