Assertion: stachyose's sugar | /r/Desires | this enzyme
Facets:
value: for degradation
type: PURPOSE
Source sentences:
text: Systematic comparative tests have shown that S. cerevisiae does not produce α-galactosidase, even if an attempt is made to grow it on a medium containing raffinose for example, and that certain strains of S. uvarum are capable of producing α-galactosidase providing they are grown on a medium containing a sugar which requires this enzyme for degradation.