4. Conclusions
H. erinaceus vinegar was produced and its quality characteristics
along with phytochemical contents were monitored during
fermentation. During the acetic acid fermentation, there was little
change in pH, yet the acidity increased from 2% to 4.09%. Organic
acids in H. erinaceus vinegar increased during fermentation with
acetic acid as the most abundant. Moreover, vinegar produced by
H. erinaceus fermentation showed antioxidant activity comparable to other vinegars when assayed by DPPH and ABTS. The results in
this research indicate the possibility that H. erinaceus vinegar could
be used as a new product with antioxidant activity that is comparable
to other vinegar products.