1. AOAC. (2000). Minerals in Animal Feed and Pet Food, Atomic Absorption Spectrophotometric Method, 968.08 (Gaithersburg, MD, USA).
2. Oxygen species scavenging activity of phenolic extracts from hawthorn fresh plant organs and pharmaceutical preparations.;Bahorun;Arzneimittelforschung,1996
3. Estudo do fruto e do artículo da Opuntia ficus-indica (L.) Miller cultivada em Valinhos SPI. Charactefisticas bromatológicas.;Bicalho;Rev Farm Bioquím Univ. S Paulo,1981
4. Boehringer Mannheim. (1999). Sucrose / D-Glucose / D-Fructose BOEHRINGER MANNHEIM / R-BIOPHARM Enzymatic BioAnalysis / Food Analysis.
5. Ciereszko, I. (2018). Regulatory roles of sugars in plant growth and development. https://pbsociety.org.pl/journals/index.php/asbp/article/view/asbp.3583/7485 (accessed October 30, 2019).