title: Study of the Antibacterial Efficacy of Bainiku-Ekisu against Pathogens.
abstract: The research was undertaken to determine the bacteriostatic effects of the concentrate of Japanese apricot juice (bainiku-ekisu), which is a popular health food in Taiwan and Japan, on Enterococcus faecalis ATCC 29212, Staphylococcus aureus ATCC 25923, and Escherichia coli ATCC 25922. The results show that E. faecalis, S. aureus, and E. coli could be killed or inhibited by bainiku-ekisu at concentrations between 1.0 and 10.0 mg/mL. The minimum inhibitory concentration (MIC) was 1 mg/mL for all strains, and the minimum bactericidal concentrations (MBCs) were 5, 2.5, and 2.5 mg/mL for E. faecalis, S. aureus, and E. coli, respectively. Using the growth rate to calculate the MICs and MBCs, the MICs were 1.55, 1.43, and 0.97 mg/mL, and the MBCs were 2.59, 2.63, and 2.25 mg/mL for E. faecalis, S. aureus, and E. coli, respectively. According to the D values, E. faecalis and S. aureus exhibited lower resistance than E. coli at lower bainiku-ekisu concentrations (1.0 and 2.5 mg/mL), and the resistance of these two pathogens was better than that of E. coli at higher bainiku-ekisu concentrations (5.0 and 10.0 mg/mL). The Z values of the E. faecalis, S. aureus, and E. coli strains were 3.47, 4.93, and 11.62 mg/mL, respectively.
authors.affiliation: School of Health Diet and Industry Management, Chung Shan Medical University, 110, Sec. 1, Jianguo North Road, Taichung 402, Taiwan.
authors.forename: Deng-Jye
authors.identifier: 0000-0002-9083-0846
authors.initials: DJ
authors.lastname: Yang
authors.affiliation: School of Nutrition, Chung Shan Medical University, 110, Sec. 1, Jianguo North Road, Taichung 402, Taiwan.
authors.forename: Hsin-Yi
authors.initials: HY
authors.lastname: Chen
authors.affiliation: School of Health Diet and Industry Management, Chung Shan Medical University, 110, Sec. 1, Jianguo North Road, Taichung 402, Taiwan; Department of Nutrition, Chung Shan Medical University Hospital, 110, Sec. 1, Jianguo North Road, Taichung 402, Taiwan.
authors.forename: Shih-Chuan
authors.identifier: 0000-0003-3230-8897
authors.initials: SC
authors.lastname: Liu