Sources: Fermented Food

• http://www.nydailynews.com/life-style/health/fermented-food-lead-good-moods-article-1.2391494
• http://bodyecology.com/articles/fermented-foods-antidepressant
• Fermentering. Kraut Kimchi og kombucha af Shane Peterson, Søren Ejlersen & Ditte Ingemann