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Table 3 IC50 of α-amylase and α-glucosidase inhibition of different seed extracts

From: Effect of solvents extraction on phytochemical components and biological activities of Tunisian date seeds (var. Korkobbi and Arechti)

Samples

IC50 (mg/ml)

α-amylase

α-glucosidase

Acarbose

0,23 ± 0,01

0,16 ± 0,02

KS

Methanol extract

1,31 ± 0,08*

0,65 ± 0,05

Aqueous extract

0,78 ± 0,05

0,35 ± 0,09

Acetone 80% extract

2,33 ± 0,6**

2,56 ± 0,9**

Acetone100% extract

2,47 ± 0,8**

2,40 ± 0,79**

AS

Methanol extract

1,65 ± 0,1*

1,31 ± 0,8*

Aqueous extract

0,99 ± 0,2*

0,77 ± 0,05

Acetone 80% extract

2,88 ± 0,83**

2,72 ± 0,78**

Acetone100% extract

3,66 ± 0,99**

2,85 ± 0,86**

  1. Data expressed as means ± standard deviations of three independent extractions (n = 3)
  2. IC50: the concentration at which 50% of enzyme is inhibited
  3. KS Korkobbi seed, AS Arechti seed
  4. *Significant difference for P < 0.05 and **Significant difference for P < 0.01