2.4. Conventional extraction
The conventional extraction was carried out by weighing 10 g of
longan powder into Erlenmeyerflasks containing 50% ethanol (500 mL).
Extractions were carried out for 12 h using a magnetic stirrer. Afterextraction the solution wasfiltered and stored. The extraction yield for
conventionally extracted longan (CEL) was 14.8±0.44%.