Sarah Duta Lestari's research while affiliated with Institut Teknologi Sepuluh Nopember and other places
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Publications (5)
Curcuma xanthorrhiza Roxb , known as Temulawak or Javanese ginger, is a plant species. Its rhizomes are used as a medicinal herb. It contains curcumin as an active compound and ethereal oils mainly consisted of sesquiterpenes. In this work, Curcuma xanthorrhiza Roxb ethanolic extract was micronized with an addition of PVP using supercritical antiso...
In this study, ethanolic extracts of Curcuma mangga (C. mangga) were micronized using the supercritical antisolvent (SAS) method. Acetone, ethyl acetate, and dichloromethane were used as solvents to study the effects of solvent selection on the obtained particles. Supercritical carbon dioxide (CO2) was used as the antisolvent. The effects of nozzle...
Curcuma mangga (C. mangga) rhizomes ethanolic extract/PVP micronized particles were prepared using the supercritical antisolvent (SAS) method. The ethanolic extract was obtained from dried C. mangga rhizomes using soxhletation. A mixture of acetone and ethanol (90:10 (v/v)) was used as the solvent, while supercritical CO 2 was used as the antisolve...
Enhanced extraction of phenolic compounds from pericarps of mangosteen by subcritical water treatment was performed at various temperatures and pressures of 120–160 °C and 1–10 MPa in batch and semi–batch systems. Instead of water, the deionized water which contains deep eutectic solvent at 10–30% volume was used as an extraction media. With 30% of...
Valuable compounds, such as xanthone and phenolic compounds, from mangosteen pericarps was extracted by hydrothermal treatment at temperatures of 120-160 °C and pressures of 5 MPa using batch and semi-batch extractor. This method is a simple and environmentally friendly extraction method requiring no chemicals other than water. Under these conditio...
Citations
... This includes varying nozzle sizes, altering shapes, and changing inlet positions, among other factors. By comparing simulated parameters such as particle size, turbulence intensity, velocity magnitude, flow patterns, and volume fractions of different phases, one can demonstrate improved mixing efficiency and thus select suitable experimental apparatus [22,91,92]. As illustrated in Figure 8, CFD simulations of the SAS for curcumin particle preparation using T-shaped and cross-shaped nozzles reveal the distinct effects on the experiment. ...
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... In this case, the dissolution of APR was improved significantly. The similar trends were drawn by 41,42 . This may be ascribed to the fact that APR is dispersed in the form of nanoparticles inside the PVP matrix 43 . ...
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... Successful extraction of xanthones from mangosteen pericarps was also achieved using water containing 10-30% v.v − 1 DES. 175 Yoo et al., 176 discovered that phenolic compounds, such as flavonoids, could be efficiently extracted from used coffee grounds using ionic liquid solvents based on choline chloride (ChCl), with an efficiency exceeding 90% with the aid of ultrasound. The ChCl:1,6-hexanediol mixture (in a ratio of 1:7) exhibited the highest efficiency in this process. ...
