Abstract
Problem statement: The main active compounds of benalu teh's include alkaloids and flavonoids, therefore antioxidant of it has big pot ential to develop. In the context of extraction, th e traditional (boiling in the water until one-third r emain) extraction require a long extraction time an d result in low yields of extraction also antioxidant activities. Approach: Batch reactor is extraction at high temperature under applied pressure to keep the solvent under liquid phase, by this technology we hope to obtain better results. Optimum extraction c onditions of benalu teh need to be discovered to obtain the antioxidant inside it. Benalu teh was ex tracted using traditional and batch reactor with different solvents (water, 30, 50, 70 and 99% ethan ol) at different temperatures (40-180°C) for different time periods (10-20 min) under additional pressure 0.2 MPa. Results: The best extraction condition by batch reactor extraction was 30% ethan ol solvent at temperature 100°C for 10 min. Conclusion: Batch reactor extraction gave a better result than traditional extraction on extract yield, radical scavenging activities and total phenolic co mpound compared with the traditional extraction.
Highlights
Mistletoe is a semi-parasitic plant that is considers as an unwanted plant because attached to the economically important horticultural plant and reduce production
Was caused by phenolic compound gradually denaturizing by association of increasing time and Benalu teh as sample was prepared in powder form to result an optimum condition of extraction
It is assumed that the active compound inside benalu teh had already been extracted at lower temperature
Summary
Mistletoe is a semi-parasitic plant that is considers as an unwanted plant because attached to the economically important horticultural plant and reduce production. Different technologies can be applied to obtain extracts with a high concentration of selected active principles. In this research we used batch reactor extractor to keep the solvent in liquid phase even on high temperature by adding pressure higher than vapor pressure. Through this technology we hoped to obtain better result than the traditional method. Does an increase in the working temperature extraction enhance both the solubility of the solute and the diffusion coefficient, and denaturized phenolic compounds beyond a certain value (Yilmaz and Toledo, 2006). This research compared traditional and batch rector extraction It examined the extraction with different treatments of solvent, temperature and time to obtain the antioxidant within the benalu teh. The best extraction condition will be continuing to HPLC analysis to find out the flavonols content in the extract
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