Fitoterapia (FITOTERAPIA )

Publisher: Indena (Firm), Elsevier


Fitoterapia is an international journal publishing original research in chemistry, pharmacology and use of medicinal plants and their derivatives. The journal accepts Reviews, Full Papers, Short Reports, Phytochemical Communications, Safety Data Reviews and Book Reviews. Reviews can be full-length state-of-the-art articles or mini reviews providing a short overview of a particular matter. Short Reports allow preliminary, concise reporting of pharmacological activities. Results of antibacterial and antifungal screenings are published as Short Reports only. Phytochemical Communications are brief contributions on the isolation of known products from new plant sources (original contribution, such as unpublished spectral data or new activity, is required) or new simple products identified on the basis of spectral data. Safety Data Reviews are open to contributions from members of official international committees. Table of Contents for the 1996 - 1998 issues of Fitoterapia can be found at the Indena SpA site.

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    Fitoterapia website
  • Other titles
    Fitoterapia (Online)
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    Document, Periodical, Internet resource
  • Document type
    Internet Resource, Computer File, Journal / Magazine / Newspaper

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    • Voluntary deposit by author of pre-print allowed on Institutions open scholarly website and pre-print servers
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    • Articles in some journals can be made Open Access on payment of additional charge
    • NIH Authors articles will be submitted to PMC after 12 months
    • Authors who are required to deposit in subject repositories may also use Sponsorship Option
    • Pre-print can not be deposited for The Lancet
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    ​ green

Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: Two new steroidal esters with an unusual framework, Sinkiangenorin A and B, a new organic acid glycoside, Sinkiangenorin C, and four known lignin compounds were isolated from the seeds of Ferula sinkiangensis. The structures of these compounds were established by spectroscopic analysis and single-crystal X-ray diffraction. All of the isolated compounds were tested against Hela, K562 and AGS human cancer cell lines. Sinkiangenorin C showed cytotoxic activity against AGS cells with an IC50 of 36.9μM.
    Fitoterapia 06/2014;
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    ABSTRACT: The alpha7 nicotinic acetylcholine receptor (nAChR) is a potential target in neuroinflammation. Screening a plant extract library identified Solidago nemoralis as containing methyl-quercetin derivatives that are relatively selective ligands for the alpha7 nAChR. Flavonoids are not known for this activity, so we screened a small library of pure flavonoids to confirm our findings. Some flavonoids, e.g. rhamnetin, displaced a selective alpha7 nAChR radioligand from rat brain membranes whereas similar structures e.g. sakuranetin, did not. To evaluate the contribution of this putative nAChR activity to the known anti-inflammatory properties of these flavonoids, we compared their effects on lipopolysaccharide induced release of inflammatory mediators from BV2 microglia. Both rhamnetin and sakuranetin reduced mediator release, but differed in potency (rhamnetin>sakuranetin) and the Hill slope of their concentration response curves. For rhamnetin the Hill coefficient was >3.0 whereas for sakuranetin the coefficient was 1.0, suggesting that effects of rhamnetin are mediated through more than one mechanism, whereas sakuranetin has a single mechanism. nACHR antagonists decreased the Hill coefficient for rhamnetin toward unity, which suggests that a nAChR-mediated mechanism contributes cooperatively to its overall anti-inflammatory effect. In contrast nAChR antagonists had no effect on the potency or Hill coefficient for sakuranetin, but a concentration of nicotine (1μM) that had no effect alone, significantly increased the Hill coefficient of this flavonoid. In conclusion, the anti-inflammatory effects of rhamnetin benefit cooperatively from a nAChR-mediated mechanism. This action, together with potent free radical scavenging activity, suggests that flavonoids with alpha7 nAChR activity have therapeutic potential in neuroinflammatory conditions.
    Fitoterapia 06/2014;
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    ABSTRACT: A series of previously unreported compounds including seven new apotirucallane protolimonoids, xylogranatumines A-G (1-7), were isolated together with three known analogues (8-10) from the twigs and leaves of the Chinese mangrove, Xylocarpus granatum. The structures of these new compounds were elucidated by extensive spectroscopic analysis including 1D and 2D NMR and high-resolution electrospray ionization mass spectrometry (HRESIMS) and by comparison with those of related known compounds in the literature. Xylogranatumine F (6) exhibited cytotoxic activity against A549 tumor cell in vitro.
    Fitoterapia 06/2014;
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    ABSTRACT: A hairy root line of Edelweiss (Leontopodium nivale ssp. alpinum (Cass.) Greuter) was obtained upon transformation with Agrobacterium rhizogenes strain ATCC15834. Elicitation of this line with silver nitrate, sucrose, methyl jasmonate and yeast extract at various concentrations in most cases resulted in a stimulation of lignan biosynthesis. Through elicitation with 6% sucrose the roots accumulated the pharmacologically active lignans leoligin and 5-methoxy-leoligin at levels of 0.0678% and 0.0372%, respectively, without significant growth inhibition. These lignan levels were comparable to those found in intact roots of cultivated Edelweiss. The biotechnological production of leoligin could be an attractive option for the continuous, field culture-independent production of the valuable secondary metabolites leoligin and 5-methoxy-leoligin.
    Fitoterapia 06/2014;
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    ABSTRACT: Three new steroidal saponins, named diospreussinosides A-C (1-3), along with two known ones (4, 5) were isolated from rhizomes of Dioscorea preussii. Their structures were elucidated mainly by 1D and 2D NMR spectrocopic analysis and mass spectrometry as (25S)-17α,25-dihydroxyspirost-5-en-3β-yl-O-α-L-rhamnopyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→4)- β-D-glucopyranoside (1), (25S)-17α,25-dihydroxyspirost-5-en-3β-yl-O-α-L-rhamnopyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→4)-[α-L-rhamnopyranosyl-(1→2)]-β-D-glucopyranoside (2), and (24S,25R)-17α,24,25-trihydroxyspirost-5-en-3β-yl-O-α-L-rhamnopyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→4)-[α-L-rhamnopyranosyl-(1→2)]-β-D-glucopyranoside (3). The spirostane-type skeleton of compound 3 possessing an unusual dihydroxylation pattern on the F-ring is reported for the first time. Cytotoxicity of compounds 2-5 was evaluated against two human colon carcinoma cell lines (HT-29 and HCT 116).
    Fitoterapia 06/2014;
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    ABSTRACT: Geniposide (GE), also called Jasminoidin, is the major active ingredient of Gardenia jasminoides Ellis (GJ) fruit, which has long been used in traditional Chinese medicine (TCM). Growing evidences suggested that GE has a great potentiality for treating rheumatoid arthritis (RA). However, GE is rapidly metabolized, and we know little about its availability or metabolites in tissues. To elucidate the distribution of GE and its metabolites in tissues, three groups of adjuvant arthritis (AA) rats were given GE (33, 66 and 120mg/kg) from days 18 to 24, and the biotransformation of GE in plasma, liver, spleen, synovium, urine and mesenteric lymph node (MLN) of rats was investigated by a novel approach named Information-Dependent Acquisition (IDA) -Mediated LC-MS/MS method. As a result, GE and its four major metabolites were detected as follows: GE, G1, G2 in plasma; GE, G2 in MLNs; only GE in liver and synovium; GE, G2, G3 and G4 in spleen; GE, G1, G2 and G4 in urine. In total four metabolites (G1-G4) involved in the in vivo metabolism processes were identified. The results of this work have demonstrated the IDA-Mediated LC-MS/MS could screen rapidly and reliably the characterization of metabolites from iridoid compounds.
    Fitoterapia 06/2014;
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    ABSTRACT: Seven sesquiterpenes, including four α-cedrene type (Shellolic acid A-C, Laccishellolic acid), two R-curcumene type (Shellolic acid D-E) and Shellolic acid F were isolated from Shellac, of which six were unknown. Their structures were elucidated by HR-ESI-MS, UV, IR, 1D and 2D NMR methods. The absolute configurations were confirmed via the Mosher's method, circular dichroism (CD) and optical rotation analyses. A plausible biogenetic relationship for 1-6 is proposed. Cytotoxic and anti-bacterial activities of the isolates were evaluated. To the best of our knowledge, none compounds showed any cytotoxic activity, which is well consistent with that Shellac used as nontoxic material in pharmaceutical formulations and food additives. However, compound 1 exhibited inhibitory activity against Bacillus subtilis with the MIC value of 0.1mg/mL.
    Fitoterapia 05/2014;
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    ABSTRACT: A sensitive, selective, and rapid high performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) was developed for the quantification of rohitukine in rat plasma. HPLC was performed using a Symmetry-Shield C18 (5μ, 4.6 X 150mm) column, and isocratic elution with ammonium acetate buffer (pH4; 10mM) : methanol (08 : 92, v/v) at a flow rate of 0.6mL/min. Sample clean-up involved solid phase extraction (SPE) of analyte and internal standard (phenacetin) from 100μl plasma. The parent→product ion transitions (MRM) for analyte and IS were 306.1→245.1m/z and 180.1→138.1m/z respectively, were monitored on a triple quadrupole mass spectrometer, operating in positive ion mode. The method was validated across the dynamic concentration range of 5-500ng/mL for rohitikine, with a fast run time of 4.5min. The analytical method measured concentrations of Rohitukine with accuracy (% bias)<± 10% and precision (% RSD) of<± 12%. Rohitukine was stable during the battery of stability studies viz., bench-top, auto-sampler, freeze/thaw cycles and 30days storage in a freezer at -70±10°C. Finally, the applicability of this assay has been successfully demonstrated in vivo pharmacokinetic and in vitro metabolism study in Sprague Dawley rat. This method will therefore be highly useful for future preclinical and clinical pharmacokinetics studies of rohitukine.
    Fitoterapia 05/2014;
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    ABSTRACT: In this study, 4 new triterpenoids-3β- acetoxy -olean-11-en,28,13β-olide (1), 3β- acetoxy -11α,12α-epoxy-olean-28,13β-olide (2), 19α-epi-betulin (3), and 20, 28-epoxy-17β,19β-lupan-3β-ol (4)-and 12 known compounds, were isolated from the root bark of Hibiscus syriacus L. by using acetone extraction. Their structures were characterized by extensive spectroscopic analysis. To investigate cytotoxicity, A549 human lung cancer cells were exposed to the extract and the compounds identified from it. Significantly reduced cell viability was observed with betulin-3-caffeate (12) (IC50, 4.3μM). The results of this study indicate that betulin-3-caffeate (12) identified from H. syriacus L. may warrant further investigation for potential as anticancer therapies.
    Fitoterapia 05/2014;
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    ABSTRACT: The current review emphasizes on the herbal bioenhancers which themselves do not possess inherent pharmacological activity of their own but when co-administered with Active Pharmaceutical Ingredients (API), enhances their bioavailability and efficacy. Herbal bioenhancers plays a crucial role in enhancing the bioavailability and bioefficacy of different classes of drugs, such as antihypertensives, anticancer, antiviral, antitubercular and antifungal drugs at low doses. This paper highlights various natural compounds that can be utilized as an efficient bioenhancer. Several herbal compounds including piperine, quercetin, genistein, naringin, sinomenine, curcumin, glycyrrhizin have demonstrated capability to improve the pharmacokinetic parameters of several potent API. This article also focuses on various United States patents on herbal bioenhancers, which has proved to be beneficial in improving oral absorption of nutraceuticals like vitamins, minerals, amino acids and certain herbal compounds. The present paper also describes proposed mechanism of action, which mainly includes absorption process, drug metabolism, and action on drug target. The herbal bioenhancers are easily available, safe, free from side effects, minimizes drug toxicity, shortens the duration of treatment, lowers the drug resistance problems and minimizes the cost of treatment. Inspite of the fact that herbal bioenhancers provides an innovative concept for enhancing the bioavailability of several potent drugs, there are numerous bioenhancers of herbal origin that are yet to be explored in several vital areas. These bioenhancers must also be implied to enhance the bioavailability and bioefficacy through routes other than the oral route of drug delivery. There is a vast array of unexploited plants which can be investigated for their drug bioenhancing potency. The toxicity profiles of these herbal bioenhancers must not be overlooked. Researches must be carried out to solve these issues and to deliver a safe and effective dose of drugs to attain desired pharmacological response.
    Fitoterapia 05/2014;
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    ABSTRACT: A new cyclodepsipeptide cordycecin A (1), together with four known ones beauvericin E (2), beauvericin J (3), beauvericin (4), and beauvericin A (5) were isolated from the ascocarps and insect-body portions of fungus Cordyceps cicadae. Their structures were identified by NMR and MS analyses. The absolute configuration of 1 was confirmed by crystal X-ray diffraction. Compounds 2-5 exhibited a significant inhibitory effect on HepG2 and HepG2/ADM cells with IC50 values ranging from 2.40±0.37 to 14.48±1.68μM. Interestingly, compounds 3-5 showed cytotoxic activity against multiple drug resistant HepG2 cell line (HepG2/ADM) with IC50 value 25-fold more sensitive to doxorubicin.
    Fitoterapia 05/2014;
  • Fitoterapia 01/2014;
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    ABSTRACT: A novel water-soluble polysaccharide, designated Bletilla striata polysaccharide b (BSPb), was isolated from a traditional Chinese medicinal herb, Bletilla striata. The crude polysaccharide was obtained by hot water extraction and purified by ion-exchange chromatography. The molecular weight was 260 kDa as determined by HPGPC (high performance gel permeation chromatography). Monosaccharide analysis showed that BSPb contained glucose and mannose with a molar ratio of 3:1. Methylation and spectroscopic analyses with 1D and 2D NMR spectroscopy showed that the backbone of BSPb is mainly composed of (1 → 2)-linked α-d-mannopyranose and (1 → 4)-linked β-d-glucopyranose residues. In this study, BSPb plays an important role in protection against the renal fibrosis effect, which is probably mediated by down-regulated TGF-β RI, TGF-β RII, and α-SMA in vitro.
    Fitoterapia 01/2014; 92:72–78.
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    ABSTRACT: Seven compounds were isolated from the roots of Eurycoma longifolia, and characterized by comprehensive analysis of 1D and 2D NMR experiments along with single crystal X-ray diffraction. Among them, four new quassinoids were identified and three of them were diastereomers for each other. Compounds 1–7 were evaluated for cytotoxicities against HT-29, MCF-7, LOVO, BGC-823, MGC-803, HepG2, HeLa, and A549 cancer cell lines. Compounds 2 and 5 exhibited the lowest IC50 values of 24.9 μM, 11.8 μM, and 44.1 μM, 14.1 μM towards MCF-7, MGC-803 cancer cell lines, respectively, while compound 6 exhibited moderate cytotoxicity towards all the selected cancer cell lines.
    Fitoterapia 01/2014; 92:105–110.
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    ABSTRACT: In Malian traditional medicine infusions of the roots of Vernonia kotschyana or Cochlospermum tinctorium in water are used for treating gastric ulcer. Helicobacter pylori is known to play a major role in gastric ulcer development, and it was of interest to evaluate a potential anti-adhesive activity towards H. pylori by crude water extracts and isolated polysaccharide fractions from the roots of V. kotschyana and C. tinctorium. The inhibitory effects were examined by an in vitro flow cytometric assay using human gastric adenocarcinoma epithelial cells, where fluorescent-labeled H. pylori were pre-treated with the test fractions. The crude extract Ctw50 from C. tinctorium, containing a mixture of inulin, pectic polysaccharides, phenols and protein, led to a 43% reduction of bacterial attachment. The isolated pectic type fractions CtwA1 and CtwA2 from C. tinctorium, and Vko-I from V. kotschyana resulted in approximately 30% inhibition of H. pylori adhesion. These fractions consist of rhamnogalacturonan backbones with side chains of arabinogalactans and/or arabinans. The low degree of uronic acids in the fractions compared to anti-adhesive polysaccharides reported previously, suggests that the neutral side chains might play a role in the binding of bacterial adhesins. The fraction Vko-III.1 from V. kotschyana consisting mainly of galacturonic acid resulted only in a 19% inhibition of H. pylori adhesion. The anti-adhesive properties shown by the crude water extracts and isolated polysaccharide fractions in the present study might partly explain the anti-ulcer activities by the roots of Vernonia kotschyana and Cochlospermum tinctorium.
    Fitoterapia 01/2014;
  • Fitoterapia 01/2014; 97:78–86.
  • Fitoterapia 01/2014;