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PubMedDate not supplied

Release behaviour of drugs from tamarind seed polysaccharide tablets.

PURPOSE: This study examines the sustained release behaviour of both water-soluble (acetaminophen, caffeine, theophylline and salicylic acid) and water insoluble (indomethacin) drugs from tamarind seed polysaccharide isolated from tamarind kernel powder. It further investigates the effect of incorporation of diluents like microcrystalline cellulose and lactose on release of caffeine and partial cross-linking of the polysaccharide on release of acetaminophen. Applying exponential equation, the mechanism of release of soluble drugs was found to be anomalous. The insoluble drug showed near case II or zero order release mechanism. The rate of release was in the decreasing order of caffeine, acetaminophen, theophylline, salicylic acid and indomethacin. An increase in release kinetics of drug was observed on blending with diluents. However, the rate of release varied with type and amount of blend in the matrix. The mechanism of release due to effect of diluents was found to be anomalous. The rate of release of drug decreased on partial cross-linking and the mechanism of release was found to be super case II.

Acetaminophen↗
PubMed2002

Childhood lead poisoning associated with tamarind candy and folk remedies--California, 1999-2000.

Lead poisoning affects children adversely worldwide. In the United States, elevated blood lead levels (BLLs) (>10 microg/dL) result primarily from exposure to lead-based paint or from associated lead-contaminated dust and soil; however, other sources of lead exposure, including folk remedies, Mexican terra cotta pottery, and certain imported candies, also have been associated with elevated BLLs in children. This report describes five cases in California of lead poisoning from atypical sources. Health-care providers should be aware of the potential hazards of certain food products, and community members should be educated about potential sources of lead poisoning for children.

California↗
PubMedDate not supplied

Studies on the applicability of tamarind kernel powder as a carrier in the dissolution enhancement of poorly water soluble drug, celecoxib.

In the present investigation, tamarind kernel powder (TP) was evaluated for its suitability as a carrier to improve the dissolution rate of poorly water-soluble drug, celecoxib (CC). The influence of polysaccharide concentration and method of preparation of solid mixtures on dissolution rate was investigated. Solid mixtures of CC and TP were prepared in different ratios (1:1, 1:4 & 1:9 w/w, CC:TP) using co-grinding technique to test the effect of polysac-charide concentration. Four different methods namely (i) physical mixing method (ii) co-grinding method (iii) kneading method and (iv) solvent deposition method were used to assess the effect of method of preparation. Solid mixtures were characterized by Differential Scanning Calorimetry (DSC), X-ray Diffraction (XRD) studies and solubility studies. Dissolution rate of CC was increased as the TP concentration increased and optimum weight ratio was found to be 1:4 (CC:TP). It was found that method of preparation of solid mixtures significantly effected the dissolution rate of CC from solid mixtures. The order of products basing on dissolution efficency is solvent deposition > co-grinding > kneading > physical mixing > pure CC. Among all the methods, though the solvent deposition technique improved the dissolution rate to maximum, co-grinding technique was found to be suitable from practical point of view and commercialization.

Calorimetry, Differential Scanning↗
PubMed2004

Natural products as aids for protecting the skin's immune system against UV damage.

Modern sun-protection products reduce the risk for erythema and DNA damage, but even those products with a very high sun protection factor (SPF) and full-spectrum UVB and UVA protection may not prevent UV radiation (UVR)-induced immunomodulation. Formulating sunscreens with a high SPF, as well as a high immune protection factor, is necessary for preventing skin cancer and maintaining effective immune responses to infectious disease after sun exposure. Supplementing current sun-protection products with immunoprotective compounds may help fill the gap between erythema protection and immunoprotection. Animal and now human studies have shown that a class of agents known as oligosaccharins--complex carbohydrates found in plants--protect the cutaneous immune system from UVB-induced and UVA-induced immunomodulation. This immunoprotective effect occurs independently from erythema and DNA damage protection, and these agents, particularly tamarind xyloglucan, may become important adjunctive ingredients to sunscreens.

Aloe↗
PubMedDate not supplied

Dietary factors in pathogenesis of gallstone disease in southern India--a hospital-based case-control study.

BACKGROUND: Pigment or mixed gallstones are common in southern India. The etiology is not established. Known risk factors include an obese, diabetic female and a nonsmoker male. AIM: To determine the association of dietary factors with mixed/pigment gallstones amongst southern Indian patients. METHODS: Diet details were obtained from 346 patients (178 women) with gallstones and an equal number of healthy controls who were age- and sex-matched attendants of the patients, sharing similar socioeconomic and demographic characteristics, with normal abdominal ultrasonogram. Data recorded included the number of daily meals, nature of cereal used, vegetarianism, oil consumed per month, sugar consumption per day, tamarind (Garcinia camborginia ) usage per week, and per-day beverage consumption. RESULTS: There was no difference between cases and controls in consumption of non-vegetarian food, type of cereal, average oil and sugar consumption, and type of beverage consumed (tea/coffee/milk/combination). Individuals with BMI> 22 were at higher risk to develop gallstones (OR 1.49; 95% CI 1.09, 2.04; p=0.01). There was significant risk of gallstone formation with the use of tamarind when consumed > 3 times a week (OR 1.76; 95% CI 1.05, 2.96; p=0.03). Higher BMI and tamarind use were significant risk factors even on multivariate logistic regression analysis (p=0.02). CONCLUSION: Higher BMI and use of tamarind, a common ingredient of diet in southern India, are risk factors in the formation of gallstones in southern India.

Body Mass Index↗
PubMed2006

Foreign body aspiration in adults.

Foreign body aspiration is not an uncommon problem, particularly in children, the elderly, and those with predisposing factors like neurological impairment. In adults, regional differences exist in the type of foreign body aspirated. We report four cases of foreign body aspiration in South Asian adults, three of which were related to the widespread habit of chewing stimulant seeds such as betel nuts (two) and tamarind seed (one). It is important for clinicians to maintain a high index of suspicion for the diagnosis of foreign body inhalation in the appropriate clinical setting. Bronchoscopy is necessary not only for the diagnosis but also for the removal of foreign body from the bronchial tree. Once the foreign body is removed, the improvement in symptoms is usually dramatic, making it rewarding for any physician to manage.

Adult↗
PubMed2006

Studies on defluoridation of water by tamarind seed, an unconventional biosorbent.

Tamarind seed, a household waste from the kitchen is used for the sorptive removal of fluoride from synthetic aqueous solution as well as from field water samples. Batch sorptive defluoridation was conducted under variable experimental conditions such as pH, agitation time, initial fluoride concentration, particle size and sorbent dose. Maximum defluoridation was achieved at pH 7.0. Defluoridation capacity decreases with increase in temperature and particle size. Further, defluoridation follows first order kinetics and Langmuir adsorption isotherm. Desorption was carried out with 0.1 N HCl and is 90 per cent. The surface and sorption characteristics were analysed using FTIR and SEM techniques. All these results indicate the involvement of energetic forces such as coulombic interaction in sorption. For domestic and industrial applications, defluoridation with 100% achievement and subsequent regeneration of adsorbent was performed with a household water filter and fixed bed column respectively.

Adsorption↗