Table 2 Solvent screening for the extraction of IBDTA using Hansen solubility parameter (HSP).

From: Comparative evaluation of ultrasound-assisted extraction and micelle-mediated extraction of bioactive compound from Acmella oleracea

Solvent

HSPs parameters (MPa ½) at 25 °C

Ra

δd

δp

δh

IBDTA

17.01

6.44

11.67

 

Water

15.5

16.0

42.3

32.5

MeOH

14.7

12.3

22.3

13.3

EtOH

15.8

8.8

19.4

8.7

Diethyl ether

14.5

2.9

4.6

9.2

Acetone

15.5

10.4

7.0

6.7

Chloroform

17.8

3.1

5.7

6.7

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