Thesis
Antibacterial Properties of Sport Deodorant “Product X”: A Clinical Trial Evaluation and Identification of Bacterial Isolates on Men Aged 18-25 in Indonesia
The excessive sweating of axilla provides a moist and warm environment that supports the
growth of various bacteria. The odor-causing bacteria is able to biotransform the sweat gland
secretion into volatile odor compounds (VOC) that manifest in body odor. The antibacterial
properties of deodorant are able suppress the growth of odor-causing bacteria. Clinical trial was
conducted toward 6 Indonesian male aged 18-25 with 3 sampling times for 3 consecutive days to
evaluate the antibacterial activity of sport deodorant “Product X”. Miles-Misra on MHA and MSA
media followed by CFU were done to evaluate the deodorant antimicrobial activity. The result
showed that the deodorant significantly reduced the resident bacteria and Staphylococcus spp.
amount post 1 hour, 5 hours, and 9 hours of deodorant application. The deodorant effectively
inhibited all growth of total resident bacteria and Staphylococcus spp post 1 hour of application on
the third day of usage, and fully inhibit the growth of Staphylococcus spp. post 5 hours of application
on the third day. The repeated usage of deodorant exhibited gradual decrease of resident bacteria
and Staphylococcus amount. The gram staining showed the presence of only Staphylococcus spp. on
MSA media, which validate the selectiveness of the media. The gram staining of bacteria grown on
MHA media showed the presence of Staphylococcus spp., Corynebacterium spp., and Micrococcus
spp.
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