The present invention relates to aLactobacillus pentosusstrain BCRC 910394 (deposition number FERM BP-10958 in Japan), a method for producing fermented food or drink with a fermentation process using the lactic acid bacteria, and fermented food or drink produced by fermentations using the lactic acid bacteria.本發明係有關戊糖乳酸桿菌(Lactobacillus pentosus)BCRC 910394(日本寄存編號FERM BP-10958)菌株、具有使用該乳酸菌株進行發酵步驟之發酵飲食品的製造方法、以及使用該乳酸菌株進行發酵製得的發酵飲食品。