Future Research Directions A number of interesting questions will remain subject to research in the future
The lack of extensive human clinical trials means theres no officially established optimal dose
Contemporary techniques include microwave extraction (57), enzyme-assisted extraction (58), pressurized fluid extraction (59), supercritical fluid extraction (60), and ultrasound extraction (61)
4.8.23 Christine said: Safe for pregnancy and nursing Note, theres no sunscreens here so if they say it has a SPF value, not all of it is has been reviewed
Follow more conservative BUD guidelines
Huang H-Y, Xue R-Y, Xiao S-X, Huang L-T, Liao X-W, Wang J-T, et al