Polygonatum odoratum 435 claims

species · family Asparagaceae · green plant · NCBI Taxonomy ↗

Common name: yu zhu — Also written in claims: P.odoratum · Doonggulle · P. odoratum var. pluriflorum · P. thunbergii · P.odoratum var.pluriflorum — NCBI synonyms: Convallaria odorata

Listed here with its subspecies, varieties and cultivar groups: Polygonatum odoratum var. pluriflorum (42 claims), Polygonatum odoratum f. variegatum (1 claim), Polygonatum odoratum var. thunbergii (1 claim)

28 spellings

Questions studied on this organism1 question2 papers

Polygonatum odoratumMyrabella · CC BY-SA 3.0 · Wikimedia Commons ↗

435 claims

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Associationobservedoriginal resultmeasured

Claim · model-written summary

Most saccharides in P. odoratum rhizomes were present at higher levels in two-year-old than in three-year-old plants.

Taxon: P. odoratumPolygonatum odoratume0
Organ / stage: rhizomese0
Outcome: most saccharidese0
Direction: highere0
Comparator: three-year-olde0

Verbatim

e0
“most saccharides, which serve as precursors for polysaccharide biosynthesis in P. odoratum rhizomes, exhibited higher levels in two-year-old P. odoratum than in three-year-old”
✓ located verbatim in the source · abstract, characters 542–717

Title

Integrated Metabolomic and Transcriptomic Analysis of Polysaccharide Biosynthesis in Polygonatum odoratum (Mill.) Druce Rhizomes of Different Growth Years and Growth Stages

Manqing Wang; Sang Yang; Lang Zheng; et al. Molecules 2026. doi:10.3390/molecules31060953

Other claims from this paper (7)

Associationobservedoriginal resultmeasured

Claim · model-written summary

PosacA3 showed a high positive correlation with sucrose, D-fructose and D-glucose.

Taxon: P. odoratumPolygonatum odoratume0
Gene: PosacA3e1
Outcome: sucrose, D-fructose, and D-glucosee1
Direction: positive correlatione1

Verbatim

e0
“most saccharides, which serve as precursors for polysaccharide biosynthesis in P. odoratum rhizomes, exhibited higher levels in two-year-old P. odoratum than in three-year-old”
✓ located verbatim in the source · abstract, characters 542–717

e1
“PosacA3 showed a high positive correlation with sucrose, D-fructose, and D-glucose”
✓ located verbatim in the source · abstract, characters 756–838

Title

Integrated Metabolomic and Transcriptomic Analysis of Polysaccharide Biosynthesis in Polygonatum odoratum (Mill.) Druce Rhizomes of Different Growth Years and Growth Stages

Manqing Wang; Sang Yang; Lang Zheng; et al. Molecules 2026. doi:10.3390/molecules31060953

Other claims from this paper (7)

Associationobservedoriginal resultmeasured

Claim · model-written summary

PoGT16 showed a high negative correlation with sucrose, D-fructose and D-glucose.

Taxon: P. odoratumPolygonatum odoratume0
Gene: PoGT16e2
Outcome: sucrose, D-fructose, and D-glucosee2
Direction: negative correlatione2

Verbatim

e0
“most saccharides, which serve as precursors for polysaccharide biosynthesis in P. odoratum rhizomes, exhibited higher levels in two-year-old P. odoratum than in three-year-old”
✓ located verbatim in the source · abstract, characters 542–717

e2
“PoGT16 exhibited a high negative correlation with sucrose, D-fructose, and D-glucose”
✓ located verbatim in the source · abstract, characters 846–930

Title

Integrated Metabolomic and Transcriptomic Analysis of Polysaccharide Biosynthesis in Polygonatum odoratum (Mill.) Druce Rhizomes of Different Growth Years and Growth Stages

Manqing Wang; Sang Yang; Lang Zheng; et al. Molecules 2026. doi:10.3390/molecules31060953

Other claims from this paper (7)

Associationobservedoriginal resultmeasured

Claim · model-written summary

PoGT6 showed a positive correlation with D-glucose.

Taxon: P. odoratumPolygonatum odoratume0
Gene: PoGT6e3
Outcome: D-glucosee3
Direction: positive correlatione3

Verbatim

e0
“most saccharides, which serve as precursors for polysaccharide biosynthesis in P. odoratum rhizomes, exhibited higher levels in two-year-old P. odoratum than in three-year-old”
✓ located verbatim in the source · abstract, characters 542–717

e3
“PoGT6 and PoGT32 displayed a positive correlation with D-glucose and sucrose, respectively”
✓ located verbatim in the source · abstract, characters 932–1022

Title

Integrated Metabolomic and Transcriptomic Analysis of Polysaccharide Biosynthesis in Polygonatum odoratum (Mill.) Druce Rhizomes of Different Growth Years and Growth Stages

Manqing Wang; Sang Yang; Lang Zheng; et al. Molecules 2026. doi:10.3390/molecules31060953

Other claims from this paper (7)

Associationobservedoriginal resultmeasured

Claim · model-written summary

PoGT32 showed a positive correlation with sucrose.

Taxon: P. odoratumPolygonatum odoratume0
Gene: PoGT32e3
Outcome: sucrosee3
Direction: positive correlatione3

Verbatim

e0
“most saccharides, which serve as precursors for polysaccharide biosynthesis in P. odoratum rhizomes, exhibited higher levels in two-year-old P. odoratum than in three-year-old”
✓ located verbatim in the source · abstract, characters 542–717

e3
“PoGT6 and PoGT32 displayed a positive correlation with D-glucose and sucrose, respectively”
✓ located verbatim in the source · abstract, characters 932–1022

Title

Integrated Metabolomic and Transcriptomic Analysis of Polysaccharide Biosynthesis in Polygonatum odoratum (Mill.) Druce Rhizomes of Different Growth Years and Growth Stages

Manqing Wang; Sang Yang; Lang Zheng; et al. Molecules 2026. doi:10.3390/molecules31060953

Other claims from this paper (7)

Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

PoGT6 and PoGT32 may be key regulators of polysaccharide biosynthesis in P. odoratum.

Taxon: P. odoratumPolygonatum odoratume4
Outcome: polysaccharide biosynthesise4
Qualifier: may be key regulatorse4

Verbatim

e4
“suggesting that these genes may be key regulators involved in polysaccharide biosynthesis in P. odoratum”
✓ located verbatim in the source · abstract, characters 1024–1128

Title

Integrated Metabolomic and Transcriptomic Analysis of Polysaccharide Biosynthesis in Polygonatum odoratum (Mill.) Druce Rhizomes of Different Growth Years and Growth Stages

Manqing Wang; Sang Yang; Lang Zheng; et al. Molecules 2026. doi:10.3390/molecules31060953

Other claims from this paper (7)

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

When steroidal saponins and soluble sugars are the required medicinal components, two-year-old P. odoratum can be harvested in July or September.

Taxon: P. odoratumPolygonatum odoratume5
Outcome: can be harvested in July or Septembere5
Qualifier: when steroidal saponins and soluble sugars are required as medicinal componentse5

Verbatim

e5
“when steroidal saponins and soluble sugars are required as medicinal components, two-year-old P. odoratum can be harvested in July or September”
✓ located verbatim in the source · abstract, characters 1272–1415

Title

Integrated Metabolomic and Transcriptomic Analysis of Polysaccharide Biosynthesis in Polygonatum odoratum (Mill.) Druce Rhizomes of Different Growth Years and Growth Stages

Manqing Wang; Sang Yang; Lang Zheng; et al. Molecules 2026. doi:10.3390/molecules31060953

Other claims from this paper (7)

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

When alkaloids and amino acids and derivatives are the core extraction targets, both two-year-old and three-year-old P. odoratum are recommended to be harvested in September.

Taxon: P. odoratumPolygonatum odoratume6
Outcome: are recommended to be harvested in Septembere6
Qualifier: When alkaloids and amino acids and derivatives are the core extraction targetse6

Verbatim

e6
“When alkaloids and amino acids and derivatives are the core extraction targets, both two-year-old and three-year-old P. odoratum are recommended to be harvested in September”
✓ located verbatim in the source · abstract, characters 1417–1590

Title

Integrated Metabolomic and Transcriptomic Analysis of Polysaccharide Biosynthesis in Polygonatum odoratum (Mill.) Druce Rhizomes of Different Growth Years and Growth Stages

Manqing Wang; Sang Yang; Lang Zheng; et al. Molecules 2026. doi:10.3390/molecules31060953

Other claims from this paper (7)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Exogenous NAA promoted root growth in rhizomes.

Taxon: P. odoratumPolygonatum odoratume0
Organ / stage: rhizomee0
Treatment: exogenous NAA applicatione0
Outcome: root growthe0
Direction: promotese0

Not reportedComparator

Verbatim

e0
“exogenous NAA application promotes the root growth in the rhizome of P. odoratum”
✓ located verbatim in the source · abstract, characters 833–913

Title

Comparative transcriptome and physiological analyses of the Polygonatum odoratum (Mill.) Druce rhizome responses to continuous cropping

Gen Pan; Jian Jin; Hao Liu; et al. Genomics 2026. doi:10.1016/j.ygeno.2026.111232

Other claims from this paper (8)

Intervention effect Continuous cropping reduced rhizome diameter, root length and root number.
Intervention effect Continuous cropping decreased antioxidant enzyme activities and polysaccharide content.
Intervention effect Continuous cropping increased malondialdehyde.
Intervention effect Continuous cropping increased three phenolic acid types.
Observation RNA sequencing identified 3357 upregulated DEGs.
Observation RNA sequencing identified 1215 downregulated DEGs.
Observation Plant hormone signal transduction and IAA related genes were downregulated.
Observation JA, CTK, ABA and carbohydrate metabolism pathways were upregulated.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Rhizome polysaccharide content peaked in spring at 13.3% and declined thereafter.

Taxon: Polygonatum odoratumPolygonatum odoratume0
Organ / stage: rhizomese0
Outcome: polysaccharide contente0
Direction: peakede0
Value: 13.3%e0
Qualifier: springe0

Verbatim

e0
“The polysaccharide content of Polygonatum odoratum rhizomes peaked in spring (13.3%) before declining through summer and fall”
✓ located verbatim in the source · abstract, characters 768–893

Title

Integration of metabolomics and proteomics reveals the mechanisms of seasonal accumulation and key regulatory networks of polysaccharides in Polygonatum odoratum

Yifan Zhu; Shuang Liang; Dannuo Fu; et al. BMC Plant Biology 2026. doi:10.1186/s12870-026-08796-0

Other claims from this paper (9)