Publications by authors named "HaiXue Kuang"

Nine previously undescribed chromones, named sadivamones O-W (1-9), and five known analogues (10-14), were isolated from the roots of Saposhnikovia divaricata (Turcz.) Schischk. The detailed structural analysis of each compound was finalized by a variety of methods including NMR (1D and 2D), mass spectrometry (HR-ESI-MS) spectroscopic data, and sugar hydrolysis.

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Fifteen new triterpenoid saponins designated as huangqiyesaponin A-O (1-15), in addition to eleven previously identified compounds (16-26), were extracted from the leaves of Astragalus membranaceus (Fisch.) Bge. utilizing a 70% ethanol solution.

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Gentianella acuta (GA) is a folk medicine used by Ewenki people in Inner Mongolia to treat heart disease. Transcriptional inhibition caused by the increase of DNMT1/3A/3B levels inhibited Nrf2, an anti-aging factor with antioxidant effect in aging myocardia, and the level of Nrf2 decreased with the increase of age. The main chemical component of GA, xanthones, can reverse this inhibition.

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Ethnopharmacological Relevance: Schisandra chinensis (Turcz.) Baill (S. chinensis), first recorded in Shennong's Classic of the Materia Medica, is described as a "top grade medicine".

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Numerous studies indicate that Schisandra chinensis (Turcz.) Baill (SC) has anti-type 2 diabetes mellitus (T2DM) effects, and its processed products are commonly used in clinical practice. However, limited reports exist on the mechanisms of polysaccharides from its vinegar products and their role in T2DM.

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Twenty-one compounds were isolated and identified from the ethanol extract of (Kom.) Nakai, including two new compounds ( and ), a new artificial product () and eighteen known compounds (). Compounds and were isolated from for the first time.

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Alzheimer's disease (AD) is a neurodegenerative disorder characterized by the deposition of beta-amyloid (Aβ) peptides. Microglia-mediated neuroinflammation is one of the primary contributors to the pathogenesis of AD. Withanolides, the main constituents in the leaves of Datura stramonium L.

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Ethnopharmacological Relevance: In the realm of traditional Chinese medicine, Panax quinquefolius L. has garnered significant attention for its potential to treat various ailments associated with deficiencies, including qi, blood, and kidneys. As its primary bioactive constituent, Panax quinquefolius saponins (PQS) have the potential therapeutic role of Alzheimer's disease (AD) treatment, but with unclear mechanisms of action.

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Mentha haplocalyx Briq. (M. haplocalyx), a notable member of the Lamiaceae family, occupies a significant role in the realm of health foods and botanical medicines.

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Background: The major depressive disorder (MDD) is a heterogeneous condition and characterized by a high recurrence rate, with neuroinflammation playing a significant role in its various potential pathologies. In recent years, neuronal pyroptosis induced by neuroinflammation has garnered increasing attention in depression research. Bupleurum scorzonerifolium Willd.

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Dictyophora indusiata (D. indusiata) is an elegant fungus known as the "mushroom queen" because of its rich nutritional value and resemblance to dancers wearing clean white dresses. Due to the harsh growth environment, the yield of D.

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Article Synopsis
  • Two new compounds and a new artificial product, along with fifteen known compounds, were isolated from (Kom.) Nakai.
  • Their structures were determined using spectroscopic techniques like mass spectrometry and NMR, and compared with existing literature for validation.
  • The cytotoxic activity of all compounds was tested against 4T1 and LN229 cancer cells, showing that certain compounds were more effective against LN229 cells compared to 4T1, with cisplatin used as a positive control.
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The Paeonia genus, the most distinctive representative of the Paeoniaceae family, holds significant edible and medicinal value. Its plants are rich in chemical constituents, including polysaccharides, phenols, terpenes, and flavonoids. Among these, Paeonia polysaccharide (PPS) is a key bioactive component, exhibiting diverse biological activities such as anti-cancer, anti-depressant, anti-oxidant, anti-inflammatory, anti-bacterial, immunomodulatory activities and therapeutical effect of diabetic kidney disease.

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Rosa rugosa Thunb. (R. rugosa) has been used as food and medicine and not just as ornamental plant for nearly a thousand years, its nutritional and medicinal value have been recognized by people.

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Background: Schisandra chinensis (Turcz.) Baill (S. chinensis), a member of the Magnoliaceae family, is renowned for its distinctive medicinal attributes and is commonly employed in the treatment of disorders affecting the CNS.

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Ethnopharmacological Relevance: Cattle bile Arisaema (CBA) and Pig bile Arisaema (PBA) are both processed products fermented from Arisaema erubescens (Wall.) Schott and animal bile, which are recorded in China Pharmacopoeia. Traditionally, bile Arisaema was often used for clearing heat and eliminating phlegm, calming wind and calming panic.

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Article Synopsis
  • L. (RCL) Carbonisata, a medicinal plant traditionally used for controlling bleeding, has shown potential for enhancing hemostasis, though its specific active components remain unclear.
  • Researchers created novel carbon dots (RCL-CDs) from this plant and characterized their properties using various scientific techniques, finding they had a small average particle size and distinct elemental composition.
  • Experimental results in mouse models indicated that RCL-CDs significantly reduced bleeding time and volume, suggesting their efficacy in promoting clotting through changes in fibrinogen levels, platelet counts, and prothrombin time.
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Three undescribed isosteroidal alkaloids (1-3), along with two known ones (4, 5) were isolated from the bulbs of Fritillaria ussuriensis Maxim, their structures were established by comprehensive analyses of the 1D, 2D-NMR and HR-ESI-MS data. Meanwhile, LPS-activated RAW 264.7 macrophages were used to determine the potential anti-inflammatory activity of all the alkaloids in vitro.

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Ethnopharmacological Relevance: Saposhnikovia divaricata (Turcz.) Schisck., a traditional Chinese medicine (TCM), has historically been utilized in the clinical treatment of RA.

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Polygala japonica Houtt. (P. japonica), a member of the Polygala genus in the Polygalaceae family, has been historically utilized in traditional folk medicine as an expectorant, anti-inflammatory, anti-bacterial, and anti-depressant agent.

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A complex heteropolysaccharide SCP-2 named schisanan B (M = 1.005 × 10 g/mol) was obtained from water extracts of Schisandra chinensis fruits, and its planar structure was finally deduced as a galacturonoglucan by a combination of monosaccharide compositions, methylation analysis, partial acid hydrolysis, enzymatic hydrolysis and 1D/2D-nuclear magnetic resonance spectroscopy. The conformation of SCP-2 exhibited a globular shape with branching in ammonium formate aqueous solutions.

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L. (, commonly known as "Bai Qu Cai" in China, belongs to the genus of the Papaveraceae family. It has rich medicinal value, such as alleviating coughs, asthma, spasms and pain.

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Article Synopsis
  • EU, a tree species from China, has significant economic and medicinal value, especially its bark and leaves used in traditional Chinese medicine since the first century BC.
  • In recent years, there's been increased research on polysaccharides from EU, which exhibit diverse biological functions like immunomodulatory, antioxidant, and anti-inflammatory activities.
  • This review highlights advancements in the extraction, purification, and application of EU polysaccharides, suggesting their potential in medicine, particularly as alternatives to other immunomodulatory agents.
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Article Synopsis
  • The plant family is a rich source of medicinal compounds, traditionally used in Chinese medicine for generations.
  • Recent research has highlighted the pharmaceutical potential of alkaloids from these plants, which have diverse biological activities like pain relief, anti-inflammatory effects, and anti-cancer properties.
  • The review aims to explore historical uses of these plants, analyze their alkaloid structures and pharmacological effects, and provide insights for future clinical applications.
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