Abstract :
Telang flowers contain flavonoids as antibacterial, anti-dotum, treat red
eyes, treat tired eyes, treat skin diseases and urinary disorders. Flavonoids given
orally have poor bioavailability due to low solubility and unstable environmental
factors.
One effort that can be done to overcome this problem is to formulate the
nanoparticles using chitosan and tripolyphosphate (TPP) polymers. This study
aims to characterize the nanoparticles from ethanol extract of telang flowers with
various chitosan concentration ratios. The ethanol extract of telang flower was
obtained by extraction using the maceration method with 70% ethanol solvent.
The results of the extract were made of colloidal nanoparticles using ionic
gelation techniques using variations in the concentration of 0.1% chitosan, 0.2%,
0.3% and 0.1% tripolyphosphate.
The nanoparticles colloid formed were characterized by particle size, zeta
potential value, and phytochemicals. The results showed that the ethanol extract
and telang flower nanoparticles positively contained flavonoids, alkaloids,
saponins, tannins, polyphenols, triterpenoids. The results of the characterization
of the ethanol extract of telang flower nanoparticles showed that the F1, F2, and
F3 formulas had sizes of 2221.7 nm, 461.6 nm, 7.4 nm and the zeta potential
values of F1, F2 and F3 were 34.3 mV, 5.6. mV, 11.8 mV. F3 is a formula with the
smallest particle size with a particle size characterization of 7.4 nm and a zeta
potential of 11.8 mV.