{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Wang X"],"funding":["Jiangsu Provincial Key Research and Development Program","Jiangsu Agriculture Science and Technology Innovation Fund","Priority Academic Program Development of Jiangsu Higher Education Institutions","National Natural Science Foundation of China","Qing Lan Project of Jiangsu Province","Natural Science Foundation of Jiangsu Province"],"pagination":["3330"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9656536"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["11(21)"],"pubmed_abstract":["Two exopolysaccharide fractions (GL1-E1 and GL1-E2) of Lacticaseibacillus paracasei GL1 were isolated with the molecular weights of 3.9 × 105 Da and 8.2 × 105 Da, respectively. Both fractions possessed mannose, glucose, and galactose in molar ratios of 1.16:1.00:0.1, and 3.81:1.00:0.12, respectively. A structural arrangement of two fractions was proposed by methylation, one-dimensional and two-dimensional nuclear magnetic resonance experiments. The backbone of GL1-E1 consisted of →4)-α-D-Glcp(1→, →3,4)-α-D-Manp(1→, →3,6)-α-D-Manp(1→, →6)-α-D-Manp(1→, and →6)-α-D-Galp(1→ with α-D-Glcp at branching point. The backbone of GL1-E2 consisted of →4)-α-D-Glcp(1→, →3,4)-α-D"],"journal":["Foods (Basel, Switzerland)"],"pubmed_title":["Characterization and Immunological Activity of Exopolysaccharide from Lacticaseibacillus paracasei GL1 Isolated from Tibetan Kefir Grains."],"pmcid":["PMC9656536"],"funding_grant_id":["PAPD","QLPJ","CX(20)3043","BK2020305","31871771","BK20201320","XZ-SZ202032","U1903108"],"pubmed_authors":["Tian J","Li W","Rui X","Tang N","Zhang X","Dong M","Wang X","Zhang Q"],"additional_accession":[]},"is_claimable":false,"name":"Characterization and Immunological Activity of Exopolysaccharide from Lacticaseibacillus paracasei GL1 Isolated from Tibetan Kefir Grains.","description":"Two exopolysaccharide fractions (GL1-E1 and GL1-E2) of Lacticaseibacillus paracasei GL1 were isolated with the molecular weights of 3.9 × 105 Da and 8.2 × 105 Da, respectively. Both fractions possessed mannose, glucose, and galactose in molar ratios of 1.16:1.00:0.1, and 3.81:1.00:0.12, respectively. A structural arrangement of two fractions was proposed by methylation, one-dimensional and two-dimensional nuclear magnetic resonance experiments. The backbone of GL1-E1 consisted of →4)-α-D-Glcp(1→, →3,4)-α-D-Manp(1→, →3,6)-α-D-Manp(1→, →6)-α-D-Manp(1→, and →6)-α-D-Galp(1→ with α-D-Glcp at branching point. The backbone of GL1-E2 consisted of →4)-α-D-Glcp(1→, →3,4)-α-D","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Oct","modification":"2025-04-22T12:25:05.681Z","creation":"2025-04-06T00:21:03.952Z"},"accession":"S-EPMC9656536","cross_references":{"pubmed":["36359942"],"doi":["10.3390/foods11213330"]}}