Quellen:

• Davis, Matthew A.; Bynum, Julie P. W.; Sirovich, Brenda E. (2015): Association between apple consumption and physician visits: appealing the conventional wisdom that an apple a day keeps the doctor away. In: JAMA internal medicine 175 (5), S. 777–783. DOI: 10.1001/jamainternmed.2014.5466.

• Muraki, Isao; Imamura, Fumiaki; Manson, Joann E.; Hu, Frank B.; Willett, Walter C.; van Dam, Rob M.; Sun, Qi (2013): Fruit consumption and risk of type 2 diabetes: results from three prospective longitudinal cohort studies. In: BMJ (Clinical research ed.) 347, f5001. DOI: 10.1136/bmj.f5001.

• Koutsos, Athanasios; Tuohy, Kieran M.; Lovegrove, Julie A. (2015): Apples and cardiovascular health--is the gut microbiota a core consideration? In: Nutrients 7 (6), S. 3959–3998. DOI: 10.3390/nu7063959.

• Tu, Shih-Hsin; Chen, Li-Ching; Ho, Yuan-Soon (2017): An apple a day to prevent cancer formation: Reducing cancer risk with flavonoids. In: Journal of food and drug analysis 25 (1), S. 119–124. DOI: 10.1016/j.jfda.2016.10.016.

• Apfel-Lagerung: Max Rubner-Institut (2020). Online verfügbar unter https://www.mri.bund.de/de/institute/sicherheit-und-qualitaet-bei-obst-und-gemuese/forschungsprojekte/apfel-lagerung/