protopanaxatriol/panax notoginseng

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A novel strategy for rapid quantification of 20(S)-protopanaxatriol and 20(S)-protopanaxadiol saponins in Panax notoginseng P. ginseng and P. quinquefolium.

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A novel strategy for the qualitative and quantitative determination of 20(S)-protopanaxatriol saponins (PTS) and 20(S)-protopanaxadiol saponins (PDS) in Panax notoginseng, Panax ginseng and Panax quinquefolium, based on the overlapping peaks of main components of PTS (calibrated by ginsenoside Rg1)

Bioactive protopanaxatriol type saponins isolated from the roots of Panax notoginseng (Burk.) F. H. Chen.

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Seven new protopanaxatriol type saponins, 20S-sanchirhinosides A1 (1), A2 (2), A3 (3), A4 (4), A5 (5), and A6 (6), and sanchirhinoside B (7) were obtained as minor constituents from the root extract of Panax notoginseng (Burkill, F. H. Chen), which showed protection effects against antimycin A

Simultaneous determination of notoginsenoside R₁, ginsenoside Rg₁, ginsenoside Re and 20(S) protopanaxatriol in beagle dog plasma by ultra high performance liquid mass spectrometry after oral administration of a Panax notoginseng saponin preparation.

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20(S) protopanaxatriol is the main metabolite of notoginsenoside R1, ginsenoside Rg1, ginsenoside Re in Panax notoginseng and has significant activities. A ultra high performance liquid mass spectrometry method has been developed and validated for the simultaneous determination of notoginsenoside R₁

Integrated Chemical and Transcriptomic Analysis Reveals the Distribution of Protopanaxadiol- and Protopanaxatriol-Type Saponins in Panax notoginseng.

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Panax notoginseng is famous for its important therapeutic effects and commonly used worldwide. The active ingredients saponins have distinct contents in different tissues of P. notoginseng, and they may be related to the expression of key genes in the synthesis pathway. In our study,

Structure and biological activity of protopanaxatriol-type saponins from the roots of Panax notoginseng.

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The further purification of the total saponins from the roots of Panax notoginseng by using ordinary and reversed-phase silica-gel, as well as Sephadex LH-20 chromatography afford seven adjuvant active protopanaxatriol-type saponins (PTS), ginsenosides-Rh1 (Rh1),-Rh4 (Rh4),-Rg1 (Rg1),-Re (Re),

Immunological-adjuvant saponins from the roots of Panax notoginseng.

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The total saponin extract from the dried roots of Panax notoginseng (Burk.) F. H. Chen possesses immunological-adjuvant activities. Guided by in vivo immunological tests, further study on this fraction afforded three active dammarane-type saponins. Their structures were determined on the basis of

A rapid method for chemical fingerprint analysis of Pan Panax notoginseng powders by ultra performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry.

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A method coupling ultra-performance liquid chromatography (UPLC) with quadrupole time-of-flight mass spectrometer (Qtof MS) using the electrospray ionization (ESI) source was developed for the identification of the major saponins from Panax notoginseng powder (PNP). Ten different PNP samples were

Neuroprotective Effects of Dammarane-Type Saponins from Panax notoginseng on Glutamate-Induced Cell Damage in PC12 Cells.

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Dammarane-type saponins, the main active ingredients of Panax notoginseng, have substantial neuroprotective effects in different animal models of neurodegenerative diseases. However, because these compounds have different structures, the level of protection provided by individual compounds

Anti-inflammatory and Cytotoxic Triterpenes from the Rot Roots of Panax notoginseng.

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Four new protopanaxatriol-type triterpenes (1-2) and glucosides (3-4), were isolated from the rot roots of Panax notoginseng (Burk.) Chen, along with four known ones (5-8). Their structures were elucidated on the basis of extensive spectroscopic analysis (HRESIMS, NMR, UV, IR, and OR) and acidic

Production of aglycone protopanaxatriol from ginseng root extract using Dictyoglomus turgidum β-glycosidase that specifically hydrolyzes the xylose at the C-6 position and the glucose in protopanaxatriol-type ginsenosides.

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The hydrolytic activity of a recombinant β-glycosidase from Dictyoglomus turgidum that specifically hydrolyzed the xylose at the C-6 position and the glucose in protopanaxatriol (PPT)-type ginsenosides followed the order Rf > Rg₁ > Re > R₁ > Rh₁ > R₂. The production of aglycone protopanaxatriol

Preparation of a monoclonal antibody against notoginsenoside R1, a distinctive saponin from Panax notoginseng, and its application to indirect competitive ELISA.

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We have prepared a monoclonal antibody against notoginsenoside R1, a primary active constituent of Sanqi ginseng (roots of Panax notoginseng). The monoclonal antibody was raised by immunizing BALB/c male mice with notoginsenoside R1-bovine albumin conjugates following cell fusion via

20(S)-Protopanaxadiol Saponins Mainly Contribute to the Anti-Atherogenic Effects of Panax notoginseng in ApoE Deficient Mice.

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Atherosclerosis mainly contributes to cardiovascular disease, a leading cause of global morbidity and mortality. Panax notoginseng saponins (PNS) are proved to therapeutically attenuate the formation of atherosclerotic lesions. According to different sapogenin, PNS are generally classified

Complete conversion of all typical glycosylated protopanaxatriol ginsenosides to aglycon protopanaxatriol by combined bacterial β-glycosidases.

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Aglycon protopanaxatriol (APPT) has valuable pharmacological effects such as anti-inflammatory and anti-stress activities. However, the complete conversion of all typical glycosylated protopanaxatriol ginsenosides to APPT has not been achieved to date. β-Glycosidase from the hyperthermophilic

Protopanaxadiol 6-hydroxylase and its role in regulating the ginsenoside heterogeneity in Panax notoginseng cells.

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Various structure-similar plant secondary metabolites like ginseng saponins (ginsenosides) possess different or even totally opposite biological activities. Intentional manipulation of the ginsenoside heterogeneity in cellular biosynthesis is of great interest and significance [Zhong and Yue (2005);

[Structure and biological action on cardiovascular systems of saponins from Panax notoginseng].

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Notoginseng Radix et Rhizoma (Sanqi), the underground part of Panax notoginseng (Burk.) F. H. Chen (Araliaceae) is commonly used in Chinese medicine for treatment of haemorrhage, haemostasis, swelling, etc. The aerial part including leaves, flowers and fruits are also applied for similar functions.

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