Antibacterial activity of formulated liquid hand soap with Alagaw (Premna odorata) leaf extract/ Rosemarie M. Intia, Anamae V. Olano, and Glaiza Mae C. Pabillo .--
Material type:
TextPublication details: Manila: Technological University of the Philippines, 2023.Description: vi, 101pages: 29cm. +1 CD-ROM (4 3/4in.)Content type: - BTH RB 37 I58 2023
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Bachelor's Thesis COS
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TUP Manila Library | Thesis Section-2nd floor | BTH RB 37 I58 2023 (Browse shelf(Opens below)) | c.1. | Not for loan | For library use only | BTH0003297 |
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Thesis (undergraduate)
College of Science.-- Bachelor of Applied Science in Laboratory Technology: Technological University of the Philippines, 2023
Includes bibliography:
The antibacterial activity of formulated liquid hand soap with alagaw (Premna odorata)
leaf extract was investigated in this study. The extraction process involved the maceration
of 100 g of ground alagaw leaves in 95% ethanol, followed by concentration using rotary
evaporator. The soap base was prepared using the hot process method. Cleansing
properties and physichochemical parameters of hand soap with alagaw including pH, free
caustic alkali, foam stability and organoleptic properties were assessed. Characterization
was also done using FTIR. The Agar cup Method was employed to test the antibacterial
potential of hand soap with alagaw against S. aureus and P. aeruginosa. The alagaw
extract, soap base, and the three liquid hand soaps with alagaw crude extract have been
seen to have functional groups of (O-H) hydroxyl, (C-H) alkanes (N-O) nitro, C-O ether,
C=C alkene, FCA values fall within the accepted value of 0.06-0.69, pH values of the
different liquid hand soap formulations fell within the acceptable range of 8.5 to 10.5.
Regarding foam stability, the liquid hand soap containing a 5% concentration of P.
odorata extract showed the longest duration of foam stability at 858 minutes, while the
formulations with 10% and 15% concentrations had foam stability durations of 856
minutes. In terms of the zone of inhibition, the three formulated liquid hand soaps with P.
odorata crude extract demonstrated antibacterial activity against both S. aureus and P.
aeruginosa. Meanwhile, the overall results of the organoleptic test in terms of odor and
color need improvement.
Keywords: Alagaw, Permna odorata, Antibacterial, soap, Staphylococcus aureus,
Pseudomonas aeruginosa
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