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PubMed2005

Traditional phytotherapy in Central Italy (Marche, Abruzzo, and Latium).

In this study, the more significant results of extensive ethnopharmacobotanical research carried out by the author in the years 1977-2000 in 175 localities of three regions of Central Italy (Marche, Abruzzo, and Latium) have been reported and compared. The usages of 80 species belonging to 36 families are described, of which 71 were used in human therapy and 29 in veterinary medicine. Uses are suited with the number of localities in which they have been mentioned. Among the wild plant mainly still used, Malva sylvestris, Urtica dioica, and Sambucus nigra are particularly highly considered, while major uses of plants concern these plants in addition to Allium sativum, Rubus ulmifolius, Parietaria diffusa, Cynodon dactylon, and Ficus carica. Unusual phytotherapic uses concern Brassica oleracea, Taraxacum officinale (warts), Ruscus aculeatus, S. nigra (chilblains), Allium cepa (chilblains; to remove thorns and splinters), Juglans regia, R. ulmifolius (burns), and Euphorbia paralias (bites of weevers). Among new uses with only one quotation, we remember Cirsium arvense (intestinal disturbances), Centaurea bracteata (cough), Lupinus albus (calluses), Melittis melissophyllum (eye inflammations, antispasmodic), and Artemisia absinthium (tendon inflammations), while among plants employed in various regions with interesting less-known properties, there are C. arvense (emergency haemostatic), P. diffusa (insect bites), and Scrophularia canina (antiseptic and cicatrizing agent for wounds in bovines and sheep).

Ethnobotany↗
PubMed2004

Traditional medicine in north Côte-d'Ivoire: screening of 50 medicinal plants for antibacterial activity.

Sixty-seven crude ethanol extracts from 50 plants (31 families), which are used in North Côte-d'Ivoire as traditional remedies for bacterial diseases, were screened for in vitro activity against Gram negative (Escherichia coli and Pseudomonas aeruginosa) and Gram positive (Staphylococcus aureus, Enterococcus faecalis, Streptococcus pyogenes and Bacillus subtilis) bacteria. Thirty-one extracts showed antibacterial activity only on Gram positive bacteria. Of these, 10 extracts from 10 plant species had a promising level of activity against bacteria including strains resistant to antibiotics such as aminosides, penicillin M, macrolides, lincosamide and streptrogramin B. The most active was Erythrina senegalensis DC (Fabaceae) followed by Bobgunnia madagascariensis (Desv.) J.H. Kirkbr. & Wiersema (Caesalpinaceae), Waltheria lanceolata R. Br. ex Mast. (Sterculiaceae), Uapaca togoensis Pax. (Euphorbiaceae), Ximenia americana L. (Olacaceae), Khaya senegalensis (Ders.) A. Juss. (Meliaceae), Lannea acida A. Rich. (Anacardiaceae), Cissus populnea Guill. & Perr. (Vitaceae), Keetia hispida (Benth.) Bridson (Rubiaceae) and Ficus thonningii (Miq.) A. Rich. (Moraceae). This is the first report of the antibacterial potency of these 10 plant species on a range of bacteria. The results provided evidence that some of the studied plants might indeed be potential sources of new antibacterial agents, also against some antibiotic-resistant strains.

Anti-Bacterial Agents↗
PubMed2006

Analgesic activity of some Indian medicinal plants.

In the present study of some of the Indian medicinal plants Sida acuta whole plant (Malvaeae), Stylosanthes fruticosa (whole plant) (Papilionaceae), Toona ciliata (heart wood) (Meliaceao), Bougainvilla spectabilis (leaves) (Nyctaginaceae), Ficus glomerata (bark, leaves) (Moraceae) and Polyalthia longifolia (leaves) (Annonaceae). The different plants were used in folklore medicine in the treatment of toothache and strengthening of gums, anthelmintic, kidney diseases, analgesic, anti-inflammatory, hepatoprotective, antihyperglycaemic, antihyperglycaemic and anticancer. The extract was prepared using powdered material with ethanol, concentrated under vacuo and were evaluated for analgesic activity by analgesiometer at three dose level (100, 300 and 500mg/kg). Analgesic activity was significant with Toona ciliata (heart wood) ethanolic extract when compared with other extracts and its activity was confirmed by tail immersion method.

Analgesics↗
PubMed2006

Screening of selected Indian medicinal plants for acetylcholinesterase inhibitory activity.

Seventy-six plant extracts including methanolic and successive water extracts from 37 Indian medicinal plants were investigated for acetylcholinesterase (AChE) inhibitory activity (in vitro). Results indicated that methanolic extracts to be more active than water extracts. The potent AChE inhibiting methanolic plant extracts included Withania somnifera (root), Semecarpus anacardium (stem bark), Embelia ribes (Root), Tinospora cordifolia (stem), Ficus religiosa (stem bark) and Nardostachys jatamansi (rhizome). The IC(50) values obtained for these extracts were 33.38, 16.74, 23.04, 38.36, 73.69 and 47.21mug/ml, respectively. These results partly substantiate the traditional use of these herbs for improvement of cognition.

Acetylcholinesterase↗
PubMed2005

An Endoreticulatus species from Ocinara lida (Lepidoptera: Bombycidae) in Taiwan.

A microsporidium from the Ficus pest, Ocinara lida, in Taiwan is characterized. The taxonomic position of this species was preliminarily determined by sequencing small subunit rRNA gene (SSUrRNA). Analysis of the SSUrRNA sequence indicated that this isolate from O. lida is a member of the genus Endoreticulatus and belongs to the genetic grouping containing other lepidopteran Endoreticulatus species we have analyzed phylogenetically. The taxonomic position of this isolate was also confirmed by the ultrastructural characteristics of this isolate. The congruence between SSUrRNA sequence analysis and ultrastructural characteristics shows that this isolate is more closely related to Endoreticulatus bombycis than to Endoreticulatus schubergi Zwölfer.

Animals↗
PubMed2004

Additions to the hyphomycete genus Veronaea as phytoparasitic species.

Three new species of Veronaea, V. ficina on Ficus hispida L. (Moraceae), V. grewiicola on Grewia asiatica L. (Tiliaceae), and V. hippocratiae on Hippocratia arborea Willd. (Celastraceae), collected from forests of Nepal and the Terai belt of North-Eastern Uttar Pradesh, India, are described, illustrated and compared with related taxa.

Celastraceae↗
PubMed2003

Structural elucidation of a novel core oligosaccharide backbone of the lipopolysaccharide from the new bacterial species Agrobacterium larrymoorei.

Agrobacterium larrymoorei is a Gram-negative phytopathogenic bacterium, which produces tumours on Ficus benjamina plants and differs from other Agrobacteria both genetically and biochemically. The lipopolysaccharide (LPS) plays an important role in the pathogenesis of Agrobacteria. The present paper is the first report on the molecular primary structure of the core region of an Agrobacterium LPS. The following structure of the core and lipid A carbohydrate backbone of an R-form LPS of A. larrymoorei was determined by chemical degradations and 1D and 2D NMR spectroscopy: [carbohydrate structure: see text] All sugars are alpha-D-pyranoses if not stated otherwise, Kdo is 3-deoxy-D-manno-oct-2-ulosonic acid, Qui3NAcyl is 3,6-dideoxy-3-(3-hydroxy-2,3-dimethyl-5-oxoprolylamino)glucose, GlcAN and GalAN are amides of GlcA and GalA.

Carbohydrate Sequence↗
PubMed2001

Application of high-performance liquid chromatography to the characterization of the betalain pigments in prickly pear fruits.

The qualitative and quantitative betalain pigment content of two cultivars of prickly pear (Opuntia ficus-indica) fruits grown in southeastern Spain was evaluated. After methanolic extraction of crushed fruits, reversed-phase high-performance liquid chromatography and photodiode array detection were applied simultaneously for the separation, identification and quantification of these pigments. Two main pigments were obtained, which were identified as indicaxanthin (lambda(max) 484 nm) and betanin (lambda(max) 535 nm). Spectrophotometric evaluation of both pigments showed a yield of around 20-30 mg per 100 g of fresh pulp. When the influence of temperature (25 to 90 degrees C) on betacyanin pigment stability was investigated, the results revealed a substantial degree of thermodegradation at temperatures higher than 70 degrees C.

Betalains↗
PubMed2001

Similarities and differences in rubber biochemistry among plant species.

This report reviews aspects of the biochemical regulation of rubber yield and rubber quality in three contrasting rubber-producing species, Hevea brasiliensis, Parthenium argentatum and Ficus elastica. Although many similarities are revealed, considerable differences also exist in enzymatic mechanisms regulating biosynthetic rate and the molecular weight of the rubber biopolymers produced. In all three species, rubber molecule initiation, biosynthetic rate and molecular weight, in vitro, are dependent upon substrate concentration and the ratio of isopentenyl pyrophosphate (IPP, the elongation substrate, or monomer) and farnesyl pyrophosphate (FPP, an initiator), but these parameters are affected by intrinsic properties of the rubber transferases as well. All three rubber transferases are capable of producing a wide range of rubber molecular weight, depending upon substrate concentration, clearly demonstrating that the transferases are not the prime determinants of product size in vivo. However, despite these commonalities, considerable differences exist between the species with respect to cosubstrate effects, binding constants, effective concentration ranges, and the role of negative cooperativity in vitro. The P. argentatum rubber transferase appears to exert more control over the molecular weight it produces than the other two species and may, therefore, provide the best prospect for the source of genes for transformation of annual crop species. The kinetic data, from the three contrasting rubber-producing species, also were used to develop a model of the rubber transferase active site in which, in addition to separate IPP and allylic-PP binding sites, there exists a hydrophobic region that interacts with the linear portion of allylic-PP initiator proximal to the pyrophosphate. Substrate affinity increases until the active site is traversed and the rubber interior of the rubber particle is reached. The kinetic data suggest that the hydrophobic region in H. brasiliensis and F. elastica is about 1.8 nm long but only 1.3 nm in P. argentatum. The estimates are supported by measurements of the rubber particle monolayer membrane using electron paramagnetic resonance spectroscopy.

Plants↗
PubMed2004

[Contact urticaria to natural rubber latex in childhood and associated atopic symptoms: a study of 27 patients aged under 15 years].

BACKGROUND: Although natural rubber latex hypersensitivity is considered as a major problem in adult, it may be still misdiagnosed in childhood. PATIENTS AND METHOD: We collected 27 observations of natural rubber latex contact urticaria in children under 15 Years of age, 21 of them aged under 8. RESULTS: All of them where atopic and 19 out of 27 presented with other association paroxystic signs of immediate hypersensitivity, that were lately related to latex allergy (i. e. asthma, rhinitis, conjunctivitis, fainting). Cross-allergy to food allergens was present in 33 p. 100. Average level of specific IgE to natural rubber latex was 21.7 kU/l. One to 4 Years follow up confirmed the benefit of latex eviction on urticaria as well as on associated symptoms. It led to the early detection of ficus allergy in 4 of them. DISCUSSION: This series confirms that atopy is at high risk for natural rubber latex allergy in children. These data suggest that atopic children are exposed too early to latex devices such as pacifiers, toodles of latex toys. Contact urticaria in children must be considered as a possible marker of other respiratory or general symptoms that may have been misconsidered under other etiologies.

Adolescent↗
PubMed1998

Hypoglycemic action of an oral fig-leaf decoction in type-I diabetic patients.

The effect of a decoction of fig leaves (Ficus carica), as a supplement to breakfast, on diabetes control was studied in insulin-dependent diabetes mellitus (IDDM) patients (six men, four women, age 22-38 years, body mass index (BMI): 20.8 +/- 3.0 kg/m2, HbA1c 7.6 +/- 0.9% with a mean duration of diabetes of 9 +/- 6.3 years). The patients were managed with their usual diabetes diet and their twice-daily insulin injection. During the first month, patients were given a decoction of fig leaves (FC) and during the next month a non-sweet commercial tea (TC). The patients were divided into two groups (n = 5) with random allocation and cross-over design. A standard breakfast was given at the beginning and end of each month-run. C-peptide, 2 h pre- and post-prandial glycemia, HbA1c, cholesterol, lipid fractions and hematology data, were analyzed during each visit. Glycemic profiles (7/day per week) were recorded by patients. Only two patients had intolerance dropout. Post-prandial glycemia was significantly lower during supplementation with FC 156.6 +/- 75.9 mg/dl versus TC 293.7 +/- 45.0 mg/dl (P < 0.001) without pre-prandial differences 145.0 +/- 41.5 and 196.6 +/- 43.2 mg/dl, respectively. Medium average capillary profiles were also lower in the two sub-groups of patients during FC 166.7 +/- 23.6 mg/dl, P < 0.05 and 157.1 +/- 17.0 mg/dl versus TC 245.8 +/- 14.2 mg/dl and 221.4 +/- 27.3 mg/dl. Average insulin dose was 12% lower during FC in the total group. The addition of FC to diet in IDDM could be of help to control postprandial glycemia.

Administration, Oral↗
PubMed1994

[Occupational asthma caused by organic substances].

Occupational asthma (OA) to organic substances is frequently related to IgE-dependent hypersensitivity. New etiological agents are latex and vegetal gums, in health care personnel as in carpet-making manufactures. Bakers are exposed to numerous allergens: wheat and cereal flours, sesame and other seed proteins, alpha-amylase and other enzymes. Alpha-amylase extracted from Aspergillus orizae is a potent allergen. Plant derived materials have been identified as allergens in the floral industry (Ficus, Ginseng, Gypsophila, etc). The accurate diagnosis relies upon a thorough history, completed by measurements of peak expiratory flows during the work. Sensitization can be confirmed by prick tests and immuno assays for IgE antibodies. Bronchial provocation tests documenting OA are advisable. The early detection of OA might be evaluated by skin tests to occupational allergens repeated yearly. The prevention of OA relies on air sampling technologies controlling the allergenic density of the atmosphere and removing asthmatics from exposed areas. There are no scientific grounds for discarding atopics from occupations at risk for OA.

Asthma↗
PubMed2001

An anti-inflammatory principle from cactus.

In previous studies, the ethanol extract of cactus (Opuntia ficus-indica) showed potent anti-inflammatory action. In the present study, following fractionation of the methanol extract of cactus stems guided by adjuvant-induced chronic inflammation model in mice, an active anti-inflammatory principle has been isolated and identified as beta-sitosterol.

Animals↗
PubMed2000

Snakebites and ethnobotany in the northwest region of Colombia. Part III: neutralization of the haemorrhagic effect of Bothrops atrox venom.

Thirty-one of 75 extracts of plants used by traditional healers for snakebites, had moderate or high neutralizing ability against the haemorrhagic effect of Bothrops atrox venom from Antioquia and Chocó, north-western Colombia. After preincubation of several doses of every extract (7.8-4000 microg/mouse) with six minimum haemorrhagic doses (10 microg) of venom, 12 of them demonstrated 100% neutralizing capacity when the mixture was i.d. injected into mice (18-20 g). These were the stem barks of Brownea rosademonte (Caesalpiniaceae) and Tabebuia rosea (Bignoniaceae); the whole plants of Pleopeltis percussa (Polypodiaceae), Trichomanes elegans (Hymenophyllaceae) and Senna dariensis (Caesalpiniaceae); rhizomes of Heliconia curtispatha (Heliconiaceae); leaves and branches of Bixa orellana (Bixaceae), Philodendron tripartitum (Araceae), Struthanthus orbicularis (Loranthaceae) and Gonzalagunia panamensis (Rubiaceae); the ripe fruits of Citrus limon (Rutaceae); leaves, branches and stem of Ficus nymphaeifolia (Moraceae). Extracts of another 19 species showed moderate neutralization (21-72%) at doses up to 4 mg/mouse, e.g. the whole plants of Aristolochia grandiflora (Aristolochiaceae), Columnea kalbreyeriana (Gesneriaceae), Sida acuta (Malvaceae), Selaginella articulata (Selaginellaceae) and Pseudoelephantopus spicatus (Asteraceae); rhizomes of Renealmia alpinia (Zingiberaceae); the stem of Strychnos xinguensis (Loganiaceae); leaves, branches and stems of Hyptis capitata (Lamiaceae), Ipomoea cairica (Convolvulaceae), Neurolaena lobata (Asteraceae), Ocimum micranthum (Lamiaceae), Piper pulchrum (Piperaceae), Siparuna thecaphora (Monimiaceae), Castilla elastica (Moraceae) and Allamanda cathartica (Apocynaceae); the macerated ripe fruits of Capsicum frutescens (Solanaceae); the unripe fruits of Crescentia cujete (Bignoniaceae); leaves and branches of Piper arboreum (Piperaceae) and Passiflora quadrangularis (Passifloraceae). When the extracts were independently administered by oral, i.p. or i.v. route either before or after an i.d. venom injection (10 microg), neutralization of haemorrhage dropped below 25% for all the extracts. Additionally, B. rosademonte and P. percussa extracts were able to inhibit the proteolytic activity of B. atrox venom on casein.

Analysis of Variance↗
PubMed2002

Medicinal plants of India with anti-diabetic potential.

Since ancient times, plants have been an exemplary source of medicine. Ayurveda and other Indian literature mention the use of plants in treatment of various human ailments. India has about 45000 plant species and among them, several thousands have been claimed to possess medicinal properties. Research conducted in last few decades on plants mentioned in ancient literature or used traditionally for diabetes have shown anti-diabetic property. The present paper reviews 45 such plants and their products (active, natural principles and crude extracts) that have been mentioned/used in the Indian traditional system of medicine and have shown experimental or clinical anti-diabetic activity. Indian plants which are most effective and the most commonly studied in relation to diabetes and their complications are: Allium cepa, Allium sativum, Aloe vera, Cajanus cajan, Coccinia indica, Caesalpinia bonducella, Ficus bengalenesis, Gymnema sylvestre, Momordica charantia, Ocimum sanctum, Pterocarpus marsupium, Swertia chirayita, Syzigium cumini, Tinospora cordifolia and Trigonella foenum graecum. Among these we have evaluated M. charantia, Eugenia jambolana, Mucuna pruriens, T. cordifolia, T. foenum graecum, O. sanctum, P. marsupium, Murraya koeingii and Brassica juncea. All plants have shown varying degree of hypoglycemic and anti-hyperglycemic activity.

Diabetes Mellitus↗
PubMed2003

In vitro antiplasmodial activity of some plants used in Kisii, Kenya against malaria and their chloroquine potentiation effects.

Fifty-five organic and aqueous extracts of 11 plants used in malaria therapy in Kisii District, Kenya were tested in vitro against chloroquine (CQ)-sensitive and resistant strains of Plasmodium falciparum. Of the plants tested, 73% were active (IC(50) < 100 microg/ml). Three plants, Vernonia lasiopus, Rhamnus prinoides and Ficus sur afforded extracts with IC(50) values ranging less than 30 microg/ml against both CQ-sensitive and resistant strains. Combination of some extracts with CQ against the multi-drug resistant P. falciparum isolate V1/S revealed some synergistic effect. The plant extracts with low IC(50) values may be used as sources for novel antimalarial compounds to be used alone or in combination with CQ.

Animals↗
PubMed2003

A cross-cultural study: anti-inflammatory activity of Australian and Chinese plants.

In this study, in vitro inhibitory effects of 33 ethanol extracts obtained from 24 plant species (representing 11 different families) on cyclooxygenase-1 (COX-1) were evaluated. The plant materials selected for this study have been used in aboriginal medicine in Australia and traditional medicine in China for the treatment of various diseases that are considered as inflammation in nature, e.g. asthma, arthritis, rheumatism, fever, edema, infections, snakebite and related inflammatory diseases. All of the selected plants, with one exception, showed inhibitory activity against COX-1, which supports their traditional uses. The most potent COX-1 inhibition were observed from the extracts of Acacia ancistrocarpa leaves (IC(50)=23 microg/ml). Ficus racemosa bark, Clematis pickeringii stem, Acacia adsurgens leaves, Tinospora smilacina stem and Morinda citrifolia fruit powder exhibited inhibition of COX-1 with the IC(50) of 100, 141, 144, 158 and 163 microg/ml, respectively. Aspirin and indomethacin used as the reference COX-1 inhibitors in this study inhibited COX-1 with IC(50) of 241 and 1.2 microg/ml, respectively. The findings of this study may explain at least in part why these plants have been traditionally used for the treatment of inflammatory conditions in Australian aboriginal medicine and traditional Chinese medicine.

Anti-Inflammatory Agents↗
PubMed2003

Ethnobotanical survey and in vitro antiplasmodial activity of plants used in traditional medicine in Burkina Faso.

In Burkina Faso, most people in particular, in rural areas, use traditional medicine and medicinal plants to treat usual diseases. In the course of new antimalarial compounds, an ethnobotanical survey has been conducted in different regions. Seven plants, often cited by traditional practitioners and not chemically investigated, have been selected for an antiplasmodial screening: Pavetta crassipes (K. Schum), Acanthospermum hispidum (DC), Terminalia macroptera (Guill. et Perr), Cassia siamea (Lam), Ficus sycomorus (L), Fadogia agrestis (Schweinf. Ex Hiern) and Crossopteryx febrifuga (AFZ. Ex G. Don) Benth. Basic, chloroform, methanol, water-methanol and aqueous crude extracts have been prepared and tested on Plasmodium falciparum chloroquine-resistant W2 strain. A significant activity has been observed with alkaloid extract of P. crassipes (IC(50)<4 microg/ml), of A. hispidum, C. febrifuga, and F. agrestis (4<IC(50)<10 microg/ml). The best result is obtained with aqueous extract of T. macroptera with an IC(50)=1 microg/ml. These results confirm the traditional use of these plants.

Animals↗