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  1. Cytotoxic sesquiterpene lactone dimers isolated from Inula japonica

    Fitoterapia (2006)

    Two new sesquiterpene lactone dimers, neojaponicone B (1) and inulanolide E (2) along with five known sesquiterpene lactone dimers (3–7, resp.) were isolated from the aerial parts of Inula japonica Thunb. The chemical structures of 1 and 2 were elucidated by detailed spectroscopic analysis...
  2. Amaryllidaceae alkaloids from the bulbs of Lycoris radiata with cytotoxic and anti-inflammatory activities

    Fitoterapia (2005)

    Four new Amaryllidaceae alkaloids, (+)-1-hydroxy-ungeremine (1), (+)-6β-acetyl-8-hydroxy-9-methoxy-crinamine (2), (+)-2-hydroxy-8-demethyl-homolycorine-α-N-oxide (3), (+)-N-methoxylcarbonyl-2-demethyl-isocorydione (4), together with two known compounds, (+)-6β-acetyl-crinamine (5) and 8-de...
  3. New flavonoid glycosides from Sedum aizoon L.

    Fitoterapia 101:125 (2015)

    Five new flavonoid glucosides (3–4, 10–12) and a new phenolic derivative (5), together with eight known compounds including three flavonoid glucosides (6–8), three phenolic compounds (1–2, 9) and two megastigmane glucosides (13, 14), were isolated from the ethanol extract of the aerial par...
  4. Fructus Psoraleae contains natural compounds with potent inhibitory effects towards human carboxylesterase 2

    Fitoterapia 101:99 (2015)

    Our results demonstrated that the ethanol extract of FP displayed potent inhibitory effects towards hCE2, while five major bioactive constitutes in FP were efficiently identified by LC-DAD-ESI-MS/MS, with the aid of LC-based activity profiling. The identified bioactive compounds including neobavaiso...
  5. Alpha-momorcharin (α-MMC) exerts effective anti-human breast tumor activities but has a narrow therapeutic window in vivo.

    Fitoterapia 100:139 (2015) PMID 25447153

    We examined the effect of α-MMC on the inhibition of human breast cancer and assessed its general toxicity to find the therapeutic window in vivo for its potential clinical use. It was purified using column chromatography, and then injected into the xenograft nude mouse model induced by MDA-MB-231 a...
  6. Caffeoylquinic acid derivatives isolated from the aerial parts of Gynura divaricata and their yeast α-glucosidase and PTP1B inhibitory activ...

    Fitoterapia 99:1 (2014) PMID 25172103

    The phytochemical investigation of natural products of Gynura divaricata led to the isolation of eleven caffeoylquinic acid derivatives. They were characterized by spectrometric methods as 5-O-caffeoylquinic acid (1), 5-O-p-coumaroylquinic acid (2), 5-O-feruloylquinic acid (3), methyl 5-O-caffeoylqu...
  7. Excretion of tectoridin metabolites in rat urine and bile orally administrated at different dosages and their inhibitory activity against al...

    Fitoterapia 99:99 (2014) PMID 25256063

    I metabolites were simultaneously quantified in rat urine after oral administration of tectoridin at 100 and 200mg/kg. Over a 72-h period, 14.2% and 14.7% of the tectoridin were excreted as eleven metabolites in urine, among which, two major metabolites tectorigenin-7-O-β-D-glucuronide (Te-7G) and t...
  8. Pyrone derivatives from the endophytic fungus Alternaria tenuissima SP-07 of Chinese herbal medicine Salvia przewalskii.

    Fitoterapia 99:184 (2014) PMID 25284429

    Three new pyrones, solanapyrones P-R (1-3), were afforded by the extracts of the endophytic fungus Alternaria tenuissima SP-07 isolated from the fresh root of Chinese herbal medicine Salvia przewalskii, along with the known solanapyrones (4-6) and benzopyrones (7-9). Solanapyrones P (1) and Q (2) po...
  9. The inhibitory effect of piperine from Fructus piperis extract on the degranulation of RBL-2H3 cells.

    Fitoterapia 99:218 (2014) PMID 25307563

    We found that the levels of intracellular Ca(2+) also decreased. Furthermore, RT-PCR showed that the mRNA expression levels of IL-4, IL-13, and TNF-α were significantly suppressed by piperine. The inhibitory effect of piperine on IgE-mediated degranulation and cytokine production by RBL-2H3 cells ma...
  10. ¹H-qNMR for direct quantification of stachydrine in Leonurus japonicus and L. cardiaca.

    Fitoterapia 96:8 (2014) PMID 24704554

    (1)H-qNMR-spectroscopy was successfully applied to quantify the pharmacologically active alkaloid stachydrine ((2S)-1,1-dimethylpyrrolidinium-2-carboxylic-acid) in aerial parts of Leonurus japonicus (Leonuri herba, yimucao; Chin.Ph.2010, DAB2012) which are used in TCM and Kampo for the treatment of...