. 2019 Mar 14;17(3):166. doi: 10.3390/md17030166

Table 1.

Tyrosine phosphatase 1B (PTP1B) and α-glucosidase inhibitory activities of MeOH extract and different solvent-soluble fractions of Symphyocladia latiuscula.

Test Samples	Yield (%) ^a	IC₅₀ Values (µg/mL) ^b ± SD
Test Samples	Yield (%) ^a	PTP 1B	α-Glucosidase
MeOH	29.62 *	9.01 ± 0.33 ^e	91.58 ± 9.66 ^f
CH₂Cl₂	20.89	6.95 ± 0.94 ^f	16.76 ± 1.90 ^h
EtOAc	4.56	2.79 ± 0.11 ^g	6.71 ± 0.15 ⁱ
n-BuOH	10.55	8.72 ± 0.39 ^e	26.15 ± 0.14 ^g
H₂O	57.36	55.03 ± 1.35 ^d	867.70 ± 42.20 ^d
Acarbose ^c	-	-	121.33 ± 2.24 ^e
Ursolic acid ^c	-	6.53 ± 0.23 ^f	-

^a Yield (%): The yield (w/w) percentage of each fraction of the MeOH extract. ^b The 50% inhibition concentrations (IC₅₀, µg/mL), expressed as the mean ± SD of triplicate experiments. ^c Positive controls. ^d–i Means with different letters are significantly different on Duncan’s test at p < 0.05. * The % yield calculated on dry alga material.