Polymers in Medicine

Polim. Med.
Index Copernicus (ICV 2022) – 121.55
MEiN – 70
Average rejection rate – 39.13%
ISSN 0370-0747 (print)
ISSN 2451-2699 (online) 
Periodicity – biannual

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Polymers in Medicine

2014, vol. 44, nr 2, April-June, p. 69–74

Publication type: original article

Language: English

Extraction and Characterization of Artocarpus integer Gum as Pharmaceutical Excipient

Uzma Farooq1,B,D, Rishabha Malviya1,A,C,E, Pramod Kumar Sharma1,F

1 Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, India

Abstract

Background. Natural polymers are widely used as excipients in pharmaceutical formulations. They are easily available, cheap and less toxic as compared to synthetic polymers.
Objectives. This study involves the extraction and characterization of kathal (Artocarpus integer) gum as a pharmaceutical excipient.
Material and Methods. Water was used as a solvent for extraction of the natural polymer. Yield was calculated with an aim to evaluate the efficacy of the process. The product was screened for the presence of Micrometric properties, and swelling index, flow behavior, surface tension, and viscosity of natural polymers were calculated.
Results. Using a water based extraction method, the yield of gum was found to be 2.85%. Various parameters such as flow behavior, organoleptic properties, surface tension, viscosity, loss on drying, ash value and swelling index together with microscopic studies of particles were done to characterize the extracted gum. The result showed that extracted kathal gum exhibited excellent flow properties. The gum was investigated for purity by carrying out chemical tests for different phytochemical constituents and only carbohydrates were found to be present. It had a good swelling index (13 ± 1). The pH and surface tension of the 1% gum solution were found to be 6 ± 0.5 and 0.0627 J/m2, respectively. The ash values such as total ash, acid insoluble ash, and water soluble ash were found to be 18.9%, 0.67% and 4% respectively. Loss on drying was 6.61%. The extracted gum was soluble in warm water and insoluble in organic solvents. The scanning electron micrograph (SEM) revealed rough and irregular particles of the isolated polymer.
Conclusion. The results of the evaluated properties showed that kathal-derived gum has acceptable pH and organoleptic properties and can be used as a pharmaceutical excipient to formulate solid oral dosage forms.

Key words

kathal, gum, pharmaceutical excipient, natural polymer

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