Browsing by Author "Zubaidah, Elok"

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Remnant photosynthetic pigments in tea dregs: identification, composition, and potential use as antibacterial photosensitizer

Indrawati, Renny; Brotosudarmo, Tatas Hardo Panintingjati; Zubaidah, Elok; Sutrisno, Aji; Limantara, Leenawaty (Potravinarstvo Slovak Journal of Food Sciences, 2021)

The production of tea dregs is continually increasing along with the growth of people's interest in ready-to-drink beverages. However, the recent development of research on the use of tea dregs is still very limited. The ...
Visible light-induced antibacterial activity of pigments extracted from dregs of green and black teas

Indrawati, Renny; Zubaidah, Elok; Sutrisno, Aji; Limantara, Leenawaty; Yusuf, Melisa Megawati; Brotosudarmo, Tatas Hardo Panintingjati (Scientifica, 2021)

Chlorophyll and its derivatives are potential natural sensitizers frequently applied in antimicrobial photodynamic therapy. Chlorophyll derivatives are formed naturally during tea processing, but they do not contribute ...