Assertion: gallic acid | /r/CreatedBy | fermentation
Facets:
value: mainly
type: DEGREE
Source sentences:
text: Gallic acid is mainly produced by the following methods such as acid hydrolysis, alkaline hydrolysis, fermentation, and enzymatic hydrolysis, but these methods have their different drawbacks, for example, severe acid corrosion of the equipment, complex process, long reaction period, and incomplete hydrolysis.