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Gehatia، M.؛ Feingold، D. S. (1 فبراير 1957). "The structure and properties of levan, a polymer of D‐fructose produced by cultures and cell‐free extracts of aerobacter levanicum". Journal of Polymer Science. ج. 23 ع. 104: 783–790. Bibcode:1957JPoSc..23..783F. DOI:10.1002/pol.1957.1202310421. ISSN:1542-6238.
Srikanth، Rapala؛ Reddy، Chinta H S S Sundhar؛ Siddartha، Gudimalla؛ Ramaiah، M. Janaki؛ Uppuluri، Kiran Babu (أبريل 2015). "Review on production, characterization and applications of microbial levan". Carbohydrate Polymers. ج. 120: 102–114. DOI:10.1016/j.carbpol.2014.12.003. ISSN:0144-8617. PMID:25662693.
Öner، Ebru Toksoy؛ Hernández، Lázaro؛ Combie، Joan (سبتمبر 2016). "Review of Levan polysaccharide: From a century of past experiences to future prospects". Biotechnology Advances. ج. 34 ع. 5: 827–844. DOI:10.1016/j.biotechadv.2016.05.002. ISSN:0734-9750. PMID:27178733.
Bello، Fabio Dal؛ Walter، Jens؛ Hertel، Christian؛ Hammes، Walter P. (يناير 2001). "In vitro study of Prebiotic Properties of Levan-type Exopolysaccharides from Lactobacilli and Non-digestible Carbohydrates Using Denaturing Gradient Gel Electrophoresis". Systematic and Applied Microbiology. ج. 24 ع. 2: 232–237. DOI:10.1078/0723-2020-00033. ISSN:0723-2020. PMID:11518326.
Gehatia، M.؛ Feingold، D. S. (1 فبراير 1957). "The structure and properties of levan, a polymer of D‐fructose produced by cultures and cell‐free extracts of aerobacter levanicum". Journal of Polymer Science. ج. 23 ع. 104: 783–790. Bibcode:1957JPoSc..23..783F. DOI:10.1002/pol.1957.1202310421. ISSN:1542-6238.
Arvidson، Sara A.؛ Rinehart، B.Todd؛ Gadala-Maria، Francis (يوليو 2006). "Concentration regimes of solutions of levan polysaccharide from Bacillus sp". Carbohydrate Polymers. ج. 65 ع. 2: 144–149. DOI:10.1016/j.carbpol.2005.12.039. ISSN:0144-8617.
Srikanth، Rapala؛ Reddy، Chinta H S S Sundhar؛ Siddartha، Gudimalla؛ Ramaiah، M. Janaki؛ Uppuluri، Kiran Babu (أبريل 2015). "Review on production, characterization and applications of microbial levan". Carbohydrate Polymers. ج. 120: 102–114. DOI:10.1016/j.carbpol.2014.12.003. ISSN:0144-8617. PMID:25662693.
Öner، Ebru Toksoy؛ Hernández، Lázaro؛ Combie، Joan (سبتمبر 2016). "Review of Levan polysaccharide: From a century of past experiences to future prospects". Biotechnology Advances. ج. 34 ع. 5: 827–844. DOI:10.1016/j.biotechadv.2016.05.002. ISSN:0734-9750. PMID:27178733.
Bello، Fabio Dal؛ Walter، Jens؛ Hertel، Christian؛ Hammes، Walter P. (يناير 2001). "In vitro study of Prebiotic Properties of Levan-type Exopolysaccharides from Lactobacilli and Non-digestible Carbohydrates Using Denaturing Gradient Gel Electrophoresis". Systematic and Applied Microbiology. ج. 24 ع. 2: 232–237. DOI:10.1078/0723-2020-00033. ISSN:0723-2020. PMID:11518326.