PROBLEM TO BE SOLVED: To provide a novel lactic acid bacterium that has high gastric acid resistance and reaches the inside of the intestines with a high survival rate.SOLUTION: This invention relates to a lactic acid bacterium being lactic acid bacterium PIC-NBN22 strain (accession number NITE P-1496) belonging to Lactobacillus plantarum, having 100% or more of gastric acid resistance at pH 3.0.COPYRIGHT: (C)2015,JPO&INPIT【課題】胃酸耐性が強く、高い生存率をもって腸内に到達する新規な乳酸菌を提供すること。【解決手段】ラクトバチルス・プランタラムに属する乳酸菌PIC-NBN22株(受託番号NITE P-1496)で、pH3.0の胃酸耐性が100%以上の乳酸菌。【選択図】図1