Reference:
http://www.miraclefruit.ca/
http://blogs.discovermagazine.com/notrocketscience/2011/09/26/how-the-miracle-fruit-changes-sour-into-sweet/#.VcAji_lVhBc
http://www.sugar-and-sweetener-guide.com/curculin.html
http://www.sugar-and-sweetener-guide.com/natural-sweeteners.html
http://www.medicaldaily.com/4-dangerous-effects-artificial-sweeteners-your-health-247543
http://www.health.harvard.edu/blog/artificial-sweeteners-sugar-free-but-at-what-cost-201207165030