Abstract
Subcritical water extraction (SWE) could be an eco-friendly excellent alternative to the traditional extraction method for extracting red ginseng (Panax ginseng C.A. meyer). In this study, the bioactive components of red ginseng were analyzed by varying the temperature (150–200°C) and extraction time (5–30min) in SWE. The maximum yields of ginsenoside Rg3 and Rh2, which have 2 hydroxyl groups (200°C), appeared at a higher temperature compared to ginsenoside Rg2 and Rh1, which have 3 hydroxyl groups (150°C), in SWE. The antioxidative properties were maximized at 200°C for 20min (total phenolic content=49.55±1.03mg gallic acid equivalent/g red ginseng, maltol content=1.19±0.01mg/g red ginseng, the Maillard reaction product level=1.14±0.08, and the DPPH-free-radical scavenging activity=39.97±0.16%). Extracts of red ginseng from SWE all had higher ginsenoside concentrations and antioxidative properties compared to extracts prepared using traditional extraction methods, including ethanol, hot water, and methanol.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
