ISSN-2349-5251 International Journal of Biosciences and Nanosciences Volume 1 (1), 2014, pp. 12-18. Original Article Studies on Phytochemical composition, antibacterial and antioxidant potential of methanolic stem extract of Cardiospermum halicacabum L (Sapindaceae) Sagadevan.Pa, S. N. Suresh*b, S. Rathish Kumara and. Revathy Rajan A.Ra a PG & Research Department of Biotechnology, Kongunadu Arts and Science College, Coimbatore - 29. Department of Biotechnology, Sree Narayana Guru College, K.G. Chavadi, Coimbatore. *Corresponding author: [email protected] b Received 18 April 2014; Accepted 28 May 2014 Abstract The present study reveals the medicinal properties of the Cardiospermum halicacabum. The phytochemical screening revealed the presence of various compounds such as Tannins, Flavonoids, Alkaloids, Polyphenols and Cardiac glycosides. The GC MS analysis confirmed the presence of 20 compounds with various area of percentage. This confirmed the presence compounds which are responsible for good antibacterial and anti-oxidant properties of the study species. The plant extract showed significant activity against the bacterial pathogens and this may be due to the presence of various compounds. The antioxidant activity also notably significant and anticancer study revealed the importance of the study plant as a potential anticancer agent. The present study confirms the potentiality of the plant rich source of therapeutic value. Extensive study will provide a good source of medicinally important drugs in future. Key words: Cardiospermum halicacabum, phytochemical screening, antioxidant, antibacterial apoptosis (Swammy, and Tan, 2000). Microbial infections are an important health problem throughout the world and plants are possible sources of antimicrobial agents (Burapadaja and Bunchoo, 1995). The interest to evaluate plants possessing antibacterial activity for various diseases is growing Clark and Hufford1993). INTRODUCTION Nature has bestowed on us a very rich botanical wealth and a large number of diverse types of plants grow indifferent parts of the country. India is rich in all the three levels of biodiversity, namely species diversity, genetic diversity and habitat diversity. In India thousands of species are known to have medicinal value and the use of different parts of several medicinal plants to cure specific aliments has been in vogue since ancient times. Herbal medicine is still the mainstay of about 75-80% of the whole population, mainly in developing countries. These plants possess various phytochemicals and active biomolecules, which play a major role in the treatment of cancer. Many plants have been examined to identify new and effective anticancer compounds, as well as to elucidate the mechanism of cancer prevention and Extracts from plants used in allopathic medicine are potential source of antiviral, antitumoral and antimicrobial agents Chung, et al., 1995. Interest in large number of traditional natural products has increased Taylor et al., 1996.The study plant Cardiospermum halicacabum Linn. belongs to the family Sapindaceae, commonly known as Balloon vine or Love in a puff. Cardiospermum is the combination of the Latin words cardio, meaning heart, and sperma, meaning seed and refers to the white 12 www.ijbsans.com Int.J.Biosci.Nanosci. Vol (1)1,2014 heart-shaped pattern on the seed. Halicacabum is derived from the Latin word halicacabus, a plant with inflated fruits (Brown, 1954). It is an annual or sometimes perennaial climber, widely distributed intropical and subtropical Africa and Asia. It has been examined for anti diarrhoeal as well as homoeopathic medicinal properties. C. halicacabum has been used in the treatment of rheumatism, nervous diseases, stiffness of the limbs and snakebite. Young leaves can be cooked as vegetables (Pieroni, et al., 2002). Considering the above features of Cardiospermum halicacabum was investigated for their phytochemical and antibacterial activity. A loopful of strain was inoculated in 30ml of nutrient broth in a conical flask and incubated on a rotary shaker at 37º C for 24 hours to activate the strain. Bioassay The bioassay used was the standard Agar Disc Diffusion assay adapted from (Nair, et al., 2005). Mueller Hinton Agar was prepared for the study. Mueller Hinton agar plates were swabbed with a suspension of each bacterial species, using a sterile cotton swab. Subsequently, the sterilized filter paper discs were completely saturated with the test compound. The impregnated dried discs were place the surface of each inoculated plate. The plates were incubated overnight at 37ºC. Each organism was tested against each organism in triplicate. Methanol was used as negative control. Standard discs of Ampicillin served as positive antibacterial control. The test materials having antimicrobial activity inhibited the growth of the micro organisms and a clear, distinct zone of inhibition was visualized surrounding the disc. The antimicrobial activity of the test agents’ was determined by measuring the diameter of zone of inhibition in mm. MATERIALS METHODS Collection of Plant Material Fresh plant was collected from nearby places, and the stem were separated and washed under running tap water. Thoroughly washed stem were allowed for shade drying under room temperature in the laboratory. The dried leaves were ground to fine powder using ablender. The powder was preserved in an air tight bottle for further studies. Preparation of Solvent Extracts 10 grams of thoroughly grounded powder were then soaked in 100ml of organic solvent (methanol) in a conical flask, plugged with cotton and kept on a rotary shaker at 190- 220 rpm for 24 hours at 40ºC. After 24hours, it was filtered through a Whatmann filter paper No 1 and the supernatant was collected and the solvent was evaporated to make the final volume one fourth of the original volume. Antimicrobial Assay Micro-organisms used Five species of bacteria, two gram – positive (Staphylococcus aureus & Bacillus subtilis) and three gram negative (Esherichia coli, Klebsialla pnuemoniae & Proteus vulgaris) were obtained from KMCH, Coimbatore. Chemical composition analysis GC Analysis Gas Chromatography (GC) analysis was carried out using Varian 3800 gas chromatography equipped with mass selective detector coupled to front injector type 1079. The chromatography was fit with VF 5 MS capillary column (30 m × 0.25 mm).The injector temperature was set at 240º C, and the oven temperature was initially be at 70º C then programmed to 300º C at the rate of 10 ºC / minute and finally held at 300º C for 10 min. Helium was used as carrier gas with the flow rate of 1.51ml/min. The percentage of composition of extract was calculated by GC peak areas. Preparation of Inoculum GC- MS Analysis 13 www.ijbsans.com Int.J.Biosci.Nanosci. Vol (1)1,2014 Gas Chromatography coupled with mass spectroscopy was performed using Varian 3800 gas chromatography equipped with Varion 1200 L single quadruple mass spectrometer. GC conditions were the same as reported for GC analysis and the same column was used. The mass spectrometer operated in the electron impact mode at 70eV. Ion source and transfer line temperature was maintained at 250 º C. The compounds was identified based on comparison of their retention indices (RI), retention time (RT) and mass spectra. Table.1: The phytochemical and Biochemical Analysis of Methanolic Stem extract of Cardiospermum halicacabium Compound Observation Presence of precipitation Formation of coloured rings Formation of yellow colour No colour change Result Saponins Frothing present Present Steroids Presence of pink Present colour Alkaloids Cardiac Glycosides Flavanoids Glycocides Assessment of the activities of enzymatic and non enzymatic antioxidants The leaf samples of Artemisia niligirica were analysed for the enzymatic and non enzymatic antioxidants such as Catalase (Luck, 1974), Superoxide dismutase (Misra and Fridovich, 1972), Glutathione reductase (David and Richard, 1983), Glutathione-s-transferase (Habig, et al., 1974), Glutathione peroxidase (Rotruck, et al., 1973), Ascorbic acid (Roe and Keuther 1953), α- Tocopherol (Rosenberg 1992), Reduced glutathione (Moron et al., 1979), Polyphenols, Flavonoids (Moron et al., 1979) and Carotenoids (Zakaria, et al., 1979). Tannins Extract change into blue black Present Present Present Absent Present Antibacterial Activity The antibacterial property of methanolic stem extract of Cardiospermum halicacabum was analysed against bacterial pathogens using ampicillin (commercial antibiotic) as control. Out of these five bacterial pathogens three were found to be negative (Echerichia coli, Kiebsiella pneumonia, Proteus vulgaris) and two were positive (Bacillus subtilis, Staphylococcus). Disc diffusion method was used to evaluate the antibacterial activity of taken samples. After twenty-four hours the minimum inhibitory zones of methanolic stem extract of Cardiospermum halicacabum and control were measured. The maximum activity (18±0.57) in extract was observed against Staphylococcus aureus gram positive bacteria (Table. 2). The control ampicillin showed 19±0.13. The least activity (10±0.03) was observed against Proteus vulgaris gram negative bacteria. The control against Proteus vulgaris showed 12±0.89 with tested 10±0.0. The treated disc shown zone of 17±1.15 against Bacillus subtilis, against E.coli and Klebsilla pneumoniae showed a moderate RESULT AND DISCUSSION Preliminary Phytochemical Analysis The phytochemical analysis of methanolic stem extract of Cardiospermum halicacabum was analysed for the compounds such as Alkaloids, Cardiac Glycosides, Flavonoids, Glycosides, Saponins, Steroids and Tannins. The preliminary phytochemical analysis revealed the presence of six compounds i.e. Alkaloids, Cardiac Glycosides, Flavonoids, Saponins, Steroids and Tannins and absence of glycosides (Table. 1). Various tests has been performed to find out the phytochemical constituents. 14 www.ijbsans.com Int.J.Biosci.Nanosci. Vol (1)1,2014 activity. Similar results were also reported by venkatesan et al.,(2006). Table 2: Antibacterial Activity of Methanolic Stem Extract of Cardiospermum halicacabum Bacteria Bacillus subtilis (+ve) Echerichia coli (-ve) Klebsiella pneumoniae (-ve) Proteus vulgaris (-ve) Staphylococcus aureus (+ve) Control Ampicillin (mm) 18 ± 0.57 14 ± 0.03 12 ± 0.01 12 ± 0.89 19 ± 0.13 Zone of Inhibition (mm) 17 ± 1.05 12 ± 0.03 10 ± 0.57 10 ± 0.03 18 ± 0.05 GC-MS ANALYSIS In general, the plant sample has maximum activity against gram positive bacterial pathogens than that of gram negative bacterial pathogens. Plant-based antibacterial have enormous therapeutic potential as they can serve the purpose with lesser side effects that are often associated with synthetic antibacterial (lwu et al., 1999). Natural products, either as pure compounds or as standardized plant extract, provide unlimited opportunities for new drug leads because of the unmatched availability of chemical diversity. The increasing failure of chemotherapeutics and antibiotic resistance exhibited by pathogenic microbial infectious agents has led to the screening of several medicinal. GC-MS analysis of methanolic stem extract of Cardiospermum halicacabum showed the presence of twenty different compounds with various percentages is shown in Figure-1. Out of these twenty compounds, Olean-12-en-3one was found to be maximum (22.98%) with retention time of 28.438. The other important constituents such as the n-Hexa decanoic acid (15.33%) gamma-sitosterol (10.70%) were found to be present. The presence of various compounds with area of percentage and retention time is given in Figure-1. The list of twenty compounds which are present in the samples were listed. The peak report indicates the presence of compounds with various intervals in peak forms was observed and analysed. Enzymatic and non enzymatic antioxidants Activities of various Enzymatic antioxidants like Catalase, Superoxide dismutase, Glutathione peroxidase, Glutathione reductase and Glutathione-s-transferase and nonenzymic antioxidant a such as Ascorbic acid. αTocopherol, Reduced glutathione, Polyphenols, Flavonoids and Carotenoids in the leaves of C.helicacabam was tested and results obtained are depicted in table II and III. From the table II, it is clear that the leaves of C.helicacabam exhibited the maximum activities of Glutathione reductase and Superoxide dismutase when compared to other enzymatic antioxidants. Catalase found to be considerable source in the leaves. Others like Glutathione s- transferase and Glutathione GC-MS ANALYSIS GC-MS analysis of methanolic stem extract of Cardiospermum halicacabum showed the presence of twenty different compounds with various percentages is shown in Figure-1. Out of these twenty compounds, Olean-12-en-3one was found to be maximum (22.98%) with retention time of 28.438. The other important constituents such as the n-Hexa decanoic acid (15.33%) gamma-sitosterol (10.70%) were found to be present. The presence of various compounds with area of percentage and retention time is given in Figure-1. The list of twenty compounds which are present in the samples were listed. The peak report indicates the presence of compounds with various intervals in peak forms was observed and analysed. 15 www.ijbsans.com Int.J.Biosci.Nanosci. Vol (1)1,2014 peroxidase were found to negligible amount in the leaves. Fig.-1GC-MS analysis of all the enzymatic and non enzymatic antioxidants analysed it may prevent the risk factor serious disease caused by free radicals such as cancer, heart diseases, diabetes, aging and cataract. The table III reveals that the leaves of Artemisia niligirica contain maximum activity of Flavonoids and Carotenoids. Ascorbic acid, α – Tocopherol, Polyphenols and Reduced glutathione were present in minimum levels. Since, C.helicacabam contains good amount 16 www.ijbsans.com Int.J.Biosci.Nanosci. Vol (1)1,2014 Table 3: Enzymatic Antioxidants Present In Methanolic Stem Extract of Cardiospermum halicacabum Enzymatic Antioxidants David, M and Richard, J.S. (1983), In methods of enzymatic analysis – 3, (Ed. BergmeyerJ and Marianna, Gra.B), Verlag chemic wein hein dein, field, Beah Florida, Basel, 358. Habig, W.H., Pabst, M.J and Jacoby, W.B. (1974), Glutathione – S– transferase. The first enzymatic step in mercapturic acid formation, Journal of Biological Chemistry., 2491, 7310 - 7339. HPLC analysis for the determination of provitamin carotenoids in tomatoes, Journal of Chromatography, 176; 109 – 117. Luck, H. (1974), Methods of enzymatic analysis, Academic Press, 78; 885 – 894. Misra, H.P. and Fridovich, A. (1972), Assay of superoxide dismutase, Journal of Biol.Chem., 247:3170-3171. 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