Skip to main content

Table 2 Summary of methods used

From: Development of an efficient glucosinolate extraction method

Experiment

Fig

Species

Tissue

Freeze drying/tissue disruption

Extraction

Desulfation

HPLC

1—Effect of freeze drier on GSL concentration

2

B. napus

Leaves

FD-A or FD-B/mill

Cold methanol

0.3 U/ml for 24 h

ISO 9167-1 method

2—Comparison of GSL extraction from freeze dried tissue with extraction from wet tissue

3

B. napus

Leaves

FD-A or −20 °C methanol

Cold methanol

0.3 U/ml for 24 H

ISO 9167-1 method

3—Comparison of extraction methods

6, 7

R. sativus

B. juncea

S. alba

E. sativa

Leaves, stems, roots

FD-A

Hot methanol,

Cold methanol,

Boiling water

0.3 U/ml for 24 H

ISO 9167-1 method

4—Comparison of desulfation/purification methods

8, 9

R. sativus

B. juncea

S. alba

E. sativa

Leaves, stems, roots

FD-A

Cold methanol

0.3 U/ml for 12, 24, 48 h, and 5 U/ml for 16 h or filtration

ISO 9167-1 method for desulfoGSL,

Herzallah and Holly method for intact GSLs