Figure 1. (A). No growth was found after washing with formalin(40% formaldehyde), (B). Numerous growth was found after washing with distilled water, (C). No growth was found after washing with vinegar (10% acetic acid)

From

Identification of Microbial Contamination of Popular Fruits of Bangladesh and Assessment the Effects of Alternative Preservatives Instead of Formalin

Tasnuva Akhtar, M. Rowfur Rahman, Sumita Biswas, Rasheda Perveen, M. Shah Alam, Farida Adib Khanum, M. Amirul Islam, Shahangir Biswas, Chaman Ara Keya, M. Manirujjaman

American Journal of Microbiological Research. 2016, 4(5), 138-142 doi:10.12691/ajmr-4-5-2