but so far the purified enzyme was not
obtained yet. In this paper, the d-Gal-6-sulfurylase from Eucheuma
striatum was purified by sequential chromatography procedure to
a natural electrophoretic homogeneity for the first time. The purified
Gal-6-sulfurylase exhibited significant advantages in purity
and enzymatic activity for -carrageenan. In addition, Gal-6-
sulfurylase treated with carrageenan could obviously improve the
gel strength. Therefore, the Gal-6-sulfurylase was purified in this
study to provide an eco-friendly and alternative for alkali treatment
method to produce high gel strength -carrageenan