The fragmentations of the studied [M-H](-) ions of C-glycosides were shown to be cross-ring cleavages of the glycoside moiety [M-H-(60/90/120)](-) whereas O-glycosides were shown to eliminate the sugar moiety (Y0 (-) or [Y0 -H](-) ) from the aglycone unit; 6-C-glycosides exhibited [M-H-18](-) , a characteristic ion, and also a higher abundance of (0,3) X6 or 8 ions in comparison to 8-C glycosides; flavonoid 6,8-di-C-glycosides exhibited cross-ring cleavages of the sugar attached to the C-6 position preferentially.
Extracts with water:ethanol (100:0, 70:30, 50:50, 30:70, 0:100) solutions from fresh (F), just dried (JD), dried and stored for one year (DS) Justicia spicigera leaves were obtained using the stirring and ultrasound techniques. Extracts were analyzed in physicochemical and antioxidant characteristics. Identification of chemical compounds by gas chromatography-mass spectroscopy (GC-MS) was also performed. 2.14±0.91, 5.67±1.70, and 8.52±4.97g Gallic acid equivalents/100g dry weight (d.w.) of phenolic compounds were found, in average, for F, JD, and DS J. spicigera, respectively. 2.22±1.31, 2.58±2.11, and 8.48±3.78g Trolox equivalents/100g d.w. were detected with the ABTS method and 0.49±0.33, 1.23±0.87, and 0.88±0.94g with the DPPH method for F, JD and DS J. spicigera, respectively. Eucalyptol, phytol, and azulene were identified as the main compounds. J. spicigera showed colors (green-iridescent, green-yellow, or pink of different intensities) and antioxidant characteristics depending on the solvent concentration. Extracts could be used in the food and pharmaceutical industries.
JSE stimulated 2-NBDG uptake by insulin-sensitive and insulin-resistant human and murine adipocytes in a concentration-dependent manner with higher potency than rosiglitazone 1mM. JSE showed antioxidant effects in vitro and induced glucose lowering effects in normoglycemic and STZ-induced diabetic rats.
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The aim of this paper was to assess the presence of the criteria for Parental Alienation Syndrome (PAS) in a sample of families in the process of divorce. Thirty nine records obtained from family cases evaluated by a forensic psychology service were analyzed. A checklist of criteria was made using the description of PAS, these criteria served to confirm their presence by assessing the three actors in the dynamics of the PAS: both parents and the child. The presence of these criteria was analyzed comparing the groups with and without interruption in the contacts. The results showed a strong correlation between the criteria defining the PAS. The presence of these criteria was much higher in the group with interrupted contacts versus the group with uninterrupted ones. However, taking into account the disorders that were computed in visiting parents, there were no differences between both groups. These results seem to confirm the presence of the criteria of PAS in families that are in a process of marriage breakdown with disruptions or conflicts in the visitation rights.
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Structural and functional abnormalities of the cerebral circuits involved in affect regulation are associated with the display of violent behaviors. The prefrontal cortex hypofunction linked to the subcortical structural hyperactivity is related to impulsive aggression.
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Olean-12-en-3β-24 diol (A), auranamide (B), aurantiamide acetate (C), 2α,3β-dihydroxy-olean-12-en-28-oic acid (D) and quindoline (E) were isolated from the dichloromethane (CH2Cl2) extract of the stems of Justicia secunda (Acanthaceae). Liquid chromatography with ultraviolet and mass spectrometric detection was used to acquire more knowledge of the chemical composition of this extract and to monitor variations in profiles of both the isolated and the other non-identified compounds in Justicia refractifolia and Justicia graciliflora. The compound classes, phenolic and olefinic amides, feruloyltyramine amides, 2,5-diaryl-3,4-dimethyltetrahydrofuranoid lignans, peptide alkaloids, phenylalanine derivatives, conjugated ynones, indolquinoline alkaloids, triterpenes and pigments, were tentatively identified based on the LC-DAD-APCI-MS analysis. The most frequently encountered compound among the species was auranamide while the distribution of quindoline was limited to J. secunda. Moreover, the acetylcholinesterase inhibitory activity of the isolated compounds was determined.
Twenty-one patients with a selective response to amoxicillin were included in the study. Eight subjects (38%) had a positive response to cefadroxil, and none reacted to cefamandole. In vitro RAST inhibition studies indicated that cefadroxil-butylamine monomers cross-reacted with amoxicillin butylamine and the side chain contributed relevantly to the inhibition.
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The result indicated 800 mg/kg double dose of extract has profound efficacy against mature worms, where the EPG count was reduced by 79.57% and percentage worm recovery rate by 16.60%. These effects were better than treatment with 5 mg/kg single dose of praziquantel, the standard drug. In case of efficacy against immature worms, the extract showed a significant reduction in worm recovery rate (from 100% in control to 20.00% at 800 mg/kg dose of extract).
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Several lines of evidence support the involvement of mannose-binding lectin (MBL) in stroke brain damage. The lectin pathway of the complement system facilitates thrombin activation and clot formation under certain experimental conditions. In the present study, we examine whether MBL promotes thrombosis after ischemia/reperfusion and influences the course and prognosis of ischemic stroke.
Zinc nanoparticles were synthesized using aqueous leaf extract of Justicia adhatoda L. The characterization of nanoparticles was done by ultraviolet-visible (UV-vis) spectroscopy, Fourier transform infrared (FTIR) spectroscopy, atomic force microscopy (AFM), and high-resolution transmission electron microscopy (HR-TEM). The characteristic absorption peak of the UV spectrum was recorded at 379 nm. The FTIR data revealed the possible biomolecules involved in bioreduction and capping of zinc nanoparticles for efficient stabilization. AFM and HR-TEM images have shown that the size of zinc nanoparticles ranges from 55 to 83 nm and they are spherical in shape. The biogenic zinc nanoparticles were evaluated for their toxic effect on mitotic chromosomes of Allium cepa as a model system. Experiments were conducted in triplicate to assay the effect of 25, 50, 75, and 100 % of zinc nanoparticles on mitotic chromosomes at an interval of 6 h duration for 24 h. The investigation revealed that the mitotic index (MI) was decreased with increased concentration of zinc nanoparticles and exposure duration. The results revealed that zinc nanoparticles have induced abnormalities like anaphase bridge formation, diagonal anaphase, C-metaphase, sticky metaphase, laggards, and sticky anaphase at different percentages and times of exposure. It is evident from the observation that mitotic cell division becomes abortive at 100 % treatment of zinc nanoparticles.
Titanocene carboxylate 1 is an excellent chemoselective reagent for unprecedented α-regioselective Barbier-type reactions. It constitutes the first titanocene(III) able to tolerate epoxides and readily reduced carbonyl compounds, such as aromatic and α,β-unsaturated aldehydes.
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Intoxications in infancy require urgent medical treatment within national health systems. In our country they represent 0.3% of paediatric urgencies. Most of them are accidental intoxications but is not infrequent to find some related to child abuse or to suicidal intentions, especially in adolescence. The objectives of the study are to evaluate both clinical health care and medical legal aspects in intoxications in infancy. Medical assistance is described and it includes clinical diagnosis, typology of the more common toxics, percentages and referral to social work and emergency care equipment units of the Ministry of Social Welfare and the Department of Health or, where appropriate, directly to prosecutors and courts for their intervention. In cases of detection of alcohol, drugs or medication in infants, the importance of the correct interpretation of the results of toxicological findings is discussed. Several studies for the interpretation of results concerning the detection of these toxics are reported. Both legal aspects and the forensic medical opinion are assessed. The findings will be analysed by the judicial authority in order to circumscribe responsibilities or to take appropriate decisions concerning the protection of infants' interests. In conclusion intoxication in infancy can lead to legal proceedings requiring specific actions for their protection. Both physicians and hospitals must comply with the legal requirement of the submission to the court of judicial parties. On the other hand, this information is an interesting step toward reinforcing public health surveillance.
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This article analyzes the Mexican regulation on palliative care and its relationship with the public debate on assisted death or suicide. This paper focuses on the rights that people with incurable diseases have, given the current contents of the General Health Statute and other applicable rules. Its main purpose is to activate the public debate on these matters.
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Case study and tests conducted at the Male Prison Facility in Barcelona from January 1, 1996 to September 30, 1996, the cases being the foreign immigrants from socioeconomically underdeveloped countries, and the checks of the native prisoners paired by age (+/- 5 years). A description is provided of the epidemiological and sociodemographic characteristics of the immigrants, and a comparison is drawn between the two populations.