Bletilla striata 935 claims

species · family Orchidaceae · green plant · NCBI Taxonomy ↗

Also written in claims: B.striata · B. striata Rchb.f · B striata Rchb.f — NCBI synonyms: Limodorum striatum

11 spellings

Questions studied on this organism7 questions16 papers

Bletilla striataKENPEI · CC BY-SA 3.0 · Wikimedia Commons ↗

935 claims

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Observationobservedoriginal resultmeasured

Claim · model-written summary

BSP-2 was dominated by glucose, with minor galactose, arabinose and rhamnose residues.

Taxon: B. striataBletilla striatae1
Outcome: dominated by glucosee2

Verbatim

e1
“isolate and identify a low-molecular-weight polysaccharide (BSP-2) from B. striata tubers”
✓ located verbatim in the source · abstract, characters 365–454

e2
“Component analysis revealed that BSP-2 was dominated by glucose (Glc), with minor proportions of galactose (Gal), arabinose (Ara), and rhamnose (Rha) residues”
✓ located verbatim in the source · abstract, characters 1308–1466

Title

Extraction, purification, structural elucidation, and immunomodulatory activity of Bletilla striata polysaccharides via the NF-κB signaling pathway

Guofeng Pang; Kai Zhou; Di Gao; et al. Frontiers in Immunology 2026. doi:10.3389/fimmu.2026.1749545

Other claims from this paper (8)

Observation The number-average molecular weight of BSP-2 was 3.612 ± 0.13646 kDa.
Observation The weight-average molecular weight of BSP-2 was 4.456 ± 0.18019 kDa.
Observation The z-average molecular weight of BSP-2 was 6.364 ± 0.5518 kDa.
Observation The peaked molecular weight of BSP-2 was 2.808 ± 0.09041 kDa.
Intervention effect BSP-2 inhibited the production of IFN-γ, TNF-α and IL-1β in LPS-stimulated RAW264.7 cells.
Intervention effect BSP-2 inhibited the production of IL-6 in LPS-stimulated RAW264.7 cells.
Mechanism The anti-inflammatory effects of BSP-2 are mediated by regulation of the NF-κβ pathway.
Intervention effect BSP-2 downregulated p65, p-p65, IκBα, p-IκBα, COX-2 and iNOS proteins in RAW264.7 cells.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The number-average molecular weight of BSP-2 was 3.612 ± 0.13646 kDa.

Taxon: B. striataBletilla striatae1
Outcome: number-averagee3
Value: 3.612 ± 0.13646 kDae3

Verbatim

e1
“isolate and identify a low-molecular-weight polysaccharide (BSP-2) from B. striata tubers”
✓ located verbatim in the source · abstract, characters 365–454

e3
“BSP-2 exhibited the following molecular weight parameters: number-average (3.612 ± 0.13646 kDa)”
✓ located verbatim in the source · abstract, characters 1090–1185

Title

Extraction, purification, structural elucidation, and immunomodulatory activity of Bletilla striata polysaccharides via the NF-κB signaling pathway

Guofeng Pang; Kai Zhou; Di Gao; et al. Frontiers in Immunology 2026. doi:10.3389/fimmu.2026.1749545

Other claims from this paper (8)

Observation BSP-2 was dominated by glucose, with minor galactose, arabinose and rhamnose residues.
Observation The weight-average molecular weight of BSP-2 was 4.456 ± 0.18019 kDa.
Observation The z-average molecular weight of BSP-2 was 6.364 ± 0.5518 kDa.
Observation The peaked molecular weight of BSP-2 was 2.808 ± 0.09041 kDa.
Intervention effect BSP-2 inhibited the production of IFN-γ, TNF-α and IL-1β in LPS-stimulated RAW264.7 cells.
Intervention effect BSP-2 inhibited the production of IL-6 in LPS-stimulated RAW264.7 cells.
Mechanism The anti-inflammatory effects of BSP-2 are mediated by regulation of the NF-κβ pathway.
Intervention effect BSP-2 downregulated p65, p-p65, IκBα, p-IκBα, COX-2 and iNOS proteins in RAW264.7 cells.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The weight-average molecular weight of BSP-2 was 4.456 ± 0.18019 kDa.

Taxon: B. striataBletilla striatae1
Outcome: weight-averagee4
Value: 4.456 ± 0.18019 kDae4

Verbatim

e1
“isolate and identify a low-molecular-weight polysaccharide (BSP-2) from B. striata tubers”
✓ located verbatim in the source · abstract, characters 365–454

e4
“weight-average (4.456 ± 0.18019 kDa)”
✓ located verbatim in the source · abstract, characters 1187–1223

Title

Extraction, purification, structural elucidation, and immunomodulatory activity of Bletilla striata polysaccharides via the NF-κB signaling pathway

Guofeng Pang; Kai Zhou; Di Gao; et al. Frontiers in Immunology 2026. doi:10.3389/fimmu.2026.1749545

Other claims from this paper (8)

Observation BSP-2 was dominated by glucose, with minor galactose, arabinose and rhamnose residues.
Observation The number-average molecular weight of BSP-2 was 3.612 ± 0.13646 kDa.
Observation The z-average molecular weight of BSP-2 was 6.364 ± 0.5518 kDa.
Observation The peaked molecular weight of BSP-2 was 2.808 ± 0.09041 kDa.
Intervention effect BSP-2 inhibited the production of IFN-γ, TNF-α and IL-1β in LPS-stimulated RAW264.7 cells.
Intervention effect BSP-2 inhibited the production of IL-6 in LPS-stimulated RAW264.7 cells.
Mechanism The anti-inflammatory effects of BSP-2 are mediated by regulation of the NF-κβ pathway.
Intervention effect BSP-2 downregulated p65, p-p65, IκBα, p-IκBα, COX-2 and iNOS proteins in RAW264.7 cells.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The z-average molecular weight of BSP-2 was 6.364 ± 0.5518 kDa.

Taxon: B. striataBletilla striatae1
Outcome: z-averagee5
Value: 6.364 ± 0.5518 kDae5

Verbatim

e1
“isolate and identify a low-molecular-weight polysaccharide (BSP-2) from B. striata tubers”
✓ located verbatim in the source · abstract, characters 365–454

e5
“z-average (6.364 ± 0.5518 kDa)”
✓ located verbatim in the source · abstract, characters 1225–1255

Title

Extraction, purification, structural elucidation, and immunomodulatory activity of Bletilla striata polysaccharides via the NF-κB signaling pathway

Guofeng Pang; Kai Zhou; Di Gao; et al. Frontiers in Immunology 2026. doi:10.3389/fimmu.2026.1749545

Other claims from this paper (8)

Observation BSP-2 was dominated by glucose, with minor galactose, arabinose and rhamnose residues.
Observation The number-average molecular weight of BSP-2 was 3.612 ± 0.13646 kDa.
Observation The weight-average molecular weight of BSP-2 was 4.456 ± 0.18019 kDa.
Observation The peaked molecular weight of BSP-2 was 2.808 ± 0.09041 kDa.
Intervention effect BSP-2 inhibited the production of IFN-γ, TNF-α and IL-1β in LPS-stimulated RAW264.7 cells.
Intervention effect BSP-2 inhibited the production of IL-6 in LPS-stimulated RAW264.7 cells.
Mechanism The anti-inflammatory effects of BSP-2 are mediated by regulation of the NF-κβ pathway.
Intervention effect BSP-2 downregulated p65, p-p65, IκBα, p-IκBα, COX-2 and iNOS proteins in RAW264.7 cells.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The peaked molecular weight of BSP-2 was 2.808 ± 0.09041 kDa.

Taxon: B. striataBletilla striatae1
Outcome: peaked molecular weighte6
Value: 2.808 ± 0.09041 kDae6

Verbatim

e1
“isolate and identify a low-molecular-weight polysaccharide (BSP-2) from B. striata tubers”
✓ located verbatim in the source · abstract, characters 365–454

e6
“peaked molecular weight (2.808 ± 0.09041 kDa)”
✓ located verbatim in the source · abstract, characters 1261–1306

Title

Extraction, purification, structural elucidation, and immunomodulatory activity of Bletilla striata polysaccharides via the NF-κB signaling pathway

Guofeng Pang; Kai Zhou; Di Gao; et al. Frontiers in Immunology 2026. doi:10.3389/fimmu.2026.1749545

Other claims from this paper (8)

Observation BSP-2 was dominated by glucose, with minor galactose, arabinose and rhamnose residues.
Observation The number-average molecular weight of BSP-2 was 3.612 ± 0.13646 kDa.
Observation The weight-average molecular weight of BSP-2 was 4.456 ± 0.18019 kDa.
Observation The z-average molecular weight of BSP-2 was 6.364 ± 0.5518 kDa.
Intervention effect BSP-2 inhibited the production of IFN-γ, TNF-α and IL-1β in LPS-stimulated RAW264.7 cells.
Intervention effect BSP-2 inhibited the production of IL-6 in LPS-stimulated RAW264.7 cells.
Mechanism The anti-inflammatory effects of BSP-2 are mediated by regulation of the NF-κβ pathway.
Intervention effect BSP-2 downregulated p65, p-p65, IκBα, p-IκBα, COX-2 and iNOS proteins in RAW264.7 cells.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

BSP-2 inhibited the production of IFN-γ, TNF-α and IL-1β in LPS-stimulated RAW264.7 cells.

Taxon: B. striataBletilla striatae1
Material: RAW264.7e7
Treatment: BSP-2e7
Outcome: IFN-γ, TNF-α, IL-1βe7
Direction: inhibitede7

Not reportedComparator

Verbatim

e1
“isolate and identify a low-molecular-weight polysaccharide (BSP-2) from B. striata tubers”
✓ located verbatim in the source · abstract, characters 365–454

e7
“In LPS-stimulated RAW264.7 cells, BSP-2 inhibited the production of four pro-inflammatory mediators: IFN-γ, TNF-α, IL-1β, and IL-6”
✓ located verbatim in the source · abstract, characters 1468–1598

Title

Extraction, purification, structural elucidation, and immunomodulatory activity of Bletilla striata polysaccharides via the NF-κB signaling pathway

Guofeng Pang; Kai Zhou; Di Gao; et al. Frontiers in Immunology 2026. doi:10.3389/fimmu.2026.1749545

Other claims from this paper (8)

Observation BSP-2 was dominated by glucose, with minor galactose, arabinose and rhamnose residues.
Observation The number-average molecular weight of BSP-2 was 3.612 ± 0.13646 kDa.
Observation The weight-average molecular weight of BSP-2 was 4.456 ± 0.18019 kDa.
Observation The z-average molecular weight of BSP-2 was 6.364 ± 0.5518 kDa.
Observation The peaked molecular weight of BSP-2 was 2.808 ± 0.09041 kDa.
Intervention effect BSP-2 inhibited the production of IL-6 in LPS-stimulated RAW264.7 cells.
Mechanism The anti-inflammatory effects of BSP-2 are mediated by regulation of the NF-κβ pathway.
Intervention effect BSP-2 downregulated p65, p-p65, IκBα, p-IκBα, COX-2 and iNOS proteins in RAW264.7 cells.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

BSP-2 inhibited the production of IL-6 in LPS-stimulated RAW264.7 cells.

Taxon: B. striataBletilla striatae1
Material: RAW264.7e7
Treatment: BSP-2e7
Outcome: IL-6e7
Direction: inhibitede7

Not reportedComparator

Verbatim

e1
“isolate and identify a low-molecular-weight polysaccharide (BSP-2) from B. striata tubers”
✓ located verbatim in the source · abstract, characters 365–454

e7
“In LPS-stimulated RAW264.7 cells, BSP-2 inhibited the production of four pro-inflammatory mediators: IFN-γ, TNF-α, IL-1β, and IL-6”
✓ located verbatim in the source · abstract, characters 1468–1598

Title

Extraction, purification, structural elucidation, and immunomodulatory activity of Bletilla striata polysaccharides via the NF-κB signaling pathway

Guofeng Pang; Kai Zhou; Di Gao; et al. Frontiers in Immunology 2026. doi:10.3389/fimmu.2026.1749545

Other claims from this paper (8)

Observation BSP-2 was dominated by glucose, with minor galactose, arabinose and rhamnose residues.
Observation The number-average molecular weight of BSP-2 was 3.612 ± 0.13646 kDa.
Observation The weight-average molecular weight of BSP-2 was 4.456 ± 0.18019 kDa.
Observation The z-average molecular weight of BSP-2 was 6.364 ± 0.5518 kDa.
Observation The peaked molecular weight of BSP-2 was 2.808 ± 0.09041 kDa.
Intervention effect BSP-2 inhibited the production of IFN-γ, TNF-α and IL-1β in LPS-stimulated RAW264.7 cells.
Mechanism The anti-inflammatory effects of BSP-2 are mediated by regulation of the NF-κβ pathway.
Intervention effect BSP-2 downregulated p65, p-p65, IκBα, p-IκBα, COX-2 and iNOS proteins in RAW264.7 cells.

Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The anti-inflammatory effects of BSP-2 are mediated by regulation of the NF-κβ pathway.

Taxon: B. striataBletilla striatae1
Outcome: anti-inflammatory effectse2
Qualifier: mediated by the regulation of the NF-κβ pathwaye2

Verbatim

e1
“isolate and identify a low-molecular-weight polysaccharide (BSP-2) from B. striata tubers”
✓ located verbatim in the source · abstract, characters 365–454

e2
“Mechanistically, the anti-inflammatory effects of BSP-2 were mediated by the regulation of the NF-κβ pathway, which involved the downregulation of proteins including p65, p-p65, IκBα, p-IκBα, COX-2, and iNOS”
✓ located verbatim in the source · abstract, characters 1600–1807

Title

Extraction, purification, structural elucidation, and immunomodulatory activity of Bletilla striata polysaccharides via the NF-κB signaling pathway

Guofeng Pang; Kai Zhou; Di Gao; et al. Frontiers in Immunology 2026. doi:10.3389/fimmu.2026.1749545

Other claims from this paper (8)

Observation BSP-2 was dominated by glucose, with minor galactose, arabinose and rhamnose residues.
Observation The number-average molecular weight of BSP-2 was 3.612 ± 0.13646 kDa.
Observation The weight-average molecular weight of BSP-2 was 4.456 ± 0.18019 kDa.
Observation The z-average molecular weight of BSP-2 was 6.364 ± 0.5518 kDa.
Observation The peaked molecular weight of BSP-2 was 2.808 ± 0.09041 kDa.
Intervention effect BSP-2 inhibited the production of IFN-γ, TNF-α and IL-1β in LPS-stimulated RAW264.7 cells.
Intervention effect BSP-2 inhibited the production of IL-6 in LPS-stimulated RAW264.7 cells.
Intervention effect BSP-2 downregulated p65, p-p65, IκBα, p-IκBα, COX-2 and iNOS proteins in RAW264.7 cells.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

BSP-2 downregulated p65, p-p65, IκBα, p-IκBα, COX-2 and iNOS proteins in RAW264.7 cells.

Taxon: B. striataBletilla striatae1
Treatment: BSP-2e2
Outcome: proteins including p65, p-p65, IκBα, p-IκBα, COX-2, and iNOSe2
Direction: downregulatione2

Not reportedComparator

Verbatim

e1
“isolate and identify a low-molecular-weight polysaccharide (BSP-2) from B. striata tubers”
✓ located verbatim in the source · abstract, characters 365–454

e2
“Mechanistically, the anti-inflammatory effects of BSP-2 were mediated by the regulation of the NF-κβ pathway, which involved the downregulation of proteins including p65, p-p65, IκBα, p-IκBα, COX-2, and iNOS”
✓ located verbatim in the source · abstract, characters 1600–1807

Title

Extraction, purification, structural elucidation, and immunomodulatory activity of Bletilla striata polysaccharides via the NF-κB signaling pathway

Guofeng Pang; Kai Zhou; Di Gao; et al. Frontiers in Immunology 2026. doi:10.3389/fimmu.2026.1749545

Other claims from this paper (8)

Observation BSP-2 was dominated by glucose, with minor galactose, arabinose and rhamnose residues.
Observation The number-average molecular weight of BSP-2 was 3.612 ± 0.13646 kDa.
Observation The weight-average molecular weight of BSP-2 was 4.456 ± 0.18019 kDa.
Observation The z-average molecular weight of BSP-2 was 6.364 ± 0.5518 kDa.
Observation The peaked molecular weight of BSP-2 was 2.808 ± 0.09041 kDa.
Intervention effect BSP-2 inhibited the production of IFN-γ, TNF-α and IL-1β in LPS-stimulated RAW264.7 cells.
Intervention effect BSP-2 inhibited the production of IL-6 in LPS-stimulated RAW264.7 cells.
Mechanism The anti-inflammatory effects of BSP-2 are mediated by regulation of the NF-κβ pathway.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The bj1 strain upregulated the expression of plant-derived tryptophan decarboxylase (TDC) in Bletilla striata

Taxon: Bletilla striataBletilla striatat0
Treatment: bj1 straine3
Interactor: bj1e3symbiont
Gene: plant-derived tryptophan decarboxylase (TDC)e3
Outcome: expressione3
Direction: upregulatinge3

Not reportedComparator

Verbatim

t0
“Bletilla striata”
✓ located verbatim in the source · title, characters 34–50

e3
“The bj1 strain modulates indoleacetic acid (IAA) biosynthesis in B. striata by upregulating the expression of plant-derived tryptophan decarboxylase (TDC) in the tryptophan pathway and hydrolytic enzymes (NtAMI) in the indoleacetamide pathway”
✓ located verbatim in the source · abstract, characters 754–996

Title

Deciphering Molecular Pathways of Bletilla striata Seeds Symbiotic Germination with Tulasnella sp. bj1

Yueyu Ye; Yucong Zhao; Ning Wang; et al. Microorganisms 2026. doi:10.3390/microorganisms14010174

Other claims from this paper (7)