2016-10-26T06:33:11+05:302016-10-25T23:32:29+05:302016-10-26T06:33:11+05:30Acrobat PDFMaker 11 for Worduuid:2ae2f2f4-ad24-4d46-9ad8-4626c8eced76uuid:3f02f3d5-e90a-410e-a2f6-48c547fec9b27xmlCharacterization of Fraction of Carica papaya LownerAdobe PDF Library 11.0D:20161022120613
International Journal of ChemTech Research CODEN (USA): IJCRGG, ISSN: 0974-4290, ISSN(Online):2455-9555 Vol.9, No.09 pp 247-253, 2016
Characterization of Fraction of Carica papaya L. Leaves Ethyl Acetate Extract to African Catfish Clarias gariepinus Leucocytes Using UV-Vis, FTIR and GC-MS Methods Dyah Setyawati1,2*, Sri Andayani1, Uun Yanuhar1 1Department of Aquaculture, Faculty of Fisheries and Marine Science, Universitas Brawijaya, Jl. Veteran, Malang 65145, Jawa Timur Province, Indonesia 2Fish Quarantine and Food Inspection Agency, Ministry of Fisheries and Marine, Jl. Medan Merdeka Timur No. 16, Jakarta, Indonesia Abstract : The active component in the leaves of C. papaya L. such as alkaloids including carpain and pseudocarpain, enzyme (papain, chymopapain, cystatin), tocopherol, amino acids, flavonoids, tannins, nicotine acid, saponins and other phenolic compounds, has the effect of immunomodulatory. Blood cells, especially leukocytes, present important phagocytic function on the immune system regulation. The aim of this study to determine the characterization of a fraction of Carica papaya L. leaves ethyl acetate extract to African catfish (C. gariepinus) leucocytes using UV-Vis, FTIR and GC-MS methods. Our analytical attention was focused on secondary metabolites which never been reported in the literature. C. papaya L. leaves fraction 9 contains active compounds hexanedioic acid, bis(2-ethylhexil) ester and hexanedioic acid, dioctyl ester that are triterpenoid derivatives, were assumed increasing leucocytes number of African catfish. Besides, it has beneficial effects on fish health and enhance the immune system (leucocytes number) and hence they could play an important role in preventing disease outbreaks in aquaculture systems. Keywords: characterization, fraction of Carica papaya L., leucocyte. Introduction Papaya (Carica papaya L.) is a plant originated from southern Mexico and northern parts of South America. This plant spreads to the continent of Africa and Asia and the Indian state. From India, the plant is spread to many tropical countries, including Indonesia back in the 17th century. Papaya plant is one of the vascular plants that produce seeds, has flowers and is dashed two (dicotile). 1C. papaya L. leaves contain alkaloids including carpain and pseudocarpain, enzyme (papain, chymopapain, cystatin), tocopherol, amino acids, flavonoids, tannins, nicotine acid, saponins and other phenolic compounds. They also contain phenol acid (caffeine acid, p-coumarin acid, and acid protocatechuic) as the primary phytochemicals. Chlorogenic acid is found in small amounts, compared with flavonoids and coumarin. Also contain glycosides, carposide, sucrose, dextrose and levulose, dehydrocarpain I and II, choline, vitamin C and E2,3,4. The active component in the leaves of C. papaya L. has been widely known as antiprotozoal and antidiarrheal, are detoxification capable of neutralizing toxins in the body, as anti-tumor and has the effect of immunomodulatoryimmunomodulatoryimmunomodulatoryimmunomodulatoryimmunomodulatoryimmunomodulatoryimmunomodulatoryGas chromatography–mass spectrometry (GC–MS) was selected as the method of chemical analysis to identify and quantify the metabolites in leaf extracts obtained using liquid–liquid extraction (LLE). This extraction method made it possible to clean up the extracted sample before derivatization reaction and chromatographic separation and identification. Such a method is extremely useful for the purification of the samples resulting from the interferences due to the biological matrix8. The aim of this study to determine the characterization of a fraction of Carica papaya L. leaves ethyl acetate extract to African catfish (C. gariepinus) leucocytes using UV-Vis, FTIR and GC-MS methods. Our analytical attention is focused on secondary metabolites which have never been reported in the literature. Material and Methods Preparation of Carica papaya L Fraction Healthy, fresh, young and green C. papaya L leaves were collected from papaya plants farm in Malang - Indonesia and have been determined in Laboratory of Taxonomy, Department of Biology, Mathematics and Science Faculty of Brawijaya University in Malang – Indonesia. The leaves were air-dried under shade at room temperature for 8 days. They were washed and the stems were removed before use. Then, they were cut into small pieces and blended without adding water or other liquids. C. papaya L. leaves extract was prepared according to maceration method as described by 100 g C. papaya L. blended leaves was soaked in 300 ml ethyl acetate for extraction in a rotary shaker for 48 hours at room temperature. The solution was separated using filter vacuum and filtrate was evaporated by rotary evaporator on 45oFinally, the volume of the extract was measured and the extracts were stored at 4 °C until use. 9,10.C. Phytochemical identification of the extracts was determined, such as alkaloid, flavonoid, saponin, tannin, and triterpenoid, as described by11,12
. Fractionation of C. papaya L. leaves extract was determined using chromatography methods.
To determine the eluent of Column Chromatography (CC) were used Thin Layer Chromatography (TLC) method with eluent ratio was methanol:ethyl acetate:N-hexane (1:2:10) as described by
11. The 0.1 g ethyl acetate extracts were subjected to silica gel column chromatography eluting with methanol:ethanol:n-hexane (1:2:10) to yield more than 5 fractions based on TLC.
African catfish (Clarias gariepinus) African catfish (C. gariepinus) is one of the common freshwater fish species was used in this study. African catfish (average weight (50±2) g; length (16.2±2.8) cm) were obtained from a private fish farm in Pare, Kediri, Indonesia. They were carefully transferred to 10 aquariums (50 L). The fish was acclimatized under aerated conditions for a period 7 days at (28.0±2)oC. Fish were fed with a commercial catfish feed at ad libitum twice daily during the acclimatization period. Experimental design and fractions injection As many as 90 African catfish were randomly divided into 10 groups. Each group of 9 fishes was divided into three equal triplicate subgroups. Each aquarium was supplied with aeration by aquarium aerators and filtration. The fishes were fed ad libitum twice daily at 9.00 and 17.00. Water exchange (50%) was done every three days and water quality was monitored throughout the experimental days at three days intervals. The temperature was (28.0±2)temperature was (28.0±2)temperature was (28.0±2)temperature was (28.0±2)temperature was (28.0±2)Collection of blood and determination of leucocyte In Day 3 and Day 7 of experimental days, 3 fishes from each group were randomly selected for blood collection. 3.8% trisodium citrate was used as an anticoagulant. Blood was collected from the caudal vein with a 1 ml plastic syringe with trisodium citrate washed before. The blood was then transferred immediately to a microtube and shaken gently. Then, it was used for determination leucocyte using a haemocytometer following the method of6. Characterization of C.papaya leaves fraction UV-visible spectrophotometer analysis An ELICO SL-159 UV–visible spectrophotometer (Andhra Pradesh, INDIA) was employed for the spectrometric analysis of C. papaya L. leaves fraction 9. The reduction of C. papaya L. leaves fraction was measured periodically at 200–800 nm. A spectrum of C. papaya L. leaves fraction was plotted with wavelength on x-axis and absorbance on the y-axis. The absorbance peaks can be observed. Fourier transform infrared (FTIR) analysis 5 ml of C. papaya L. leaves fraction 6 was analysed by Fourier transform infrared spectrum (FTIR), Nicolet Avatar 660 (Nicolet, USA). Gas Chromatography –Mass Spectrophotometry (GC-MS) analysis Secondary metabolites quantification and identification of C. papaya L. leaves fraction were analysed using GC–MS. GC-MS analyses were performed using a VG Quattro Mass spectrometer (VG Micromass, UK), equipped with a Supelco SPB-5 capillary column (length: 30 m; ID: 250 mm; film thickness: 1.4 mm). The helium carrier gas was set to a column head pressure of P ¼ 100 kPa. The inlet temperature was set at 280oC while the oven temperature was initially at 100oC (held for 3 min) and then increased to 315oC at 20oC/min. The mass spectrometer was operated in the positive electron impact mode with an ionization energy of 70 eV. The ion source temperature was 190 oC at a pressure of 10E-4 Torr. Detection was performed in selective ion monitoring (SIM) mode and peaks were identified and quantitated using target ions. Statistical Analysis Data for leucocytes number were analysed using one-way analysis of variance (ANOVA) of SPSS version 20. Significance was tested at 5% level Results Phytochemical identification Phytochemical identification of C. papaya ethyl acetate leaves extracts to result in active compounds such as tannins, alkaloids, flavonoids and triterpenoids (Figure 1).
Figure 1. Phytochemical identifications of C. papaya L. ethyl acetate leaves extracts Leucocytes Parameter The leucocytes of African catfish were injected with 9 different fractions of C. papaya L. leaves are shown in Table 1. Significantly highest leucocyte count was recorded infraction 9 of C. papaya L. leaves whereas fraction 9 and fraction 5 have significant difference among control groups and the other fractions. Table 1. African catfish leucocytes (x103 cells/ml) were injected with 9 different fractions of C. papaya L. leaves and control
Days
Fractions
3
7
Control
29,67±2,08
28,33±2,52
1
38,00±2,00
38,00±1,73
2
57,33±2,52
54,67±2,52
3
48,67±2,52
39,33±1,53
4
45,67±1,53
46,33±2,52
5
69,67±2,08*
70,33±2,52*
6
27,00±2,00
27,67±2,52
7
45,67±2,52
49,33±1,53
8
58,00±2,05
56,00±1,63
9
78,00±2,00*
80,00±1,73*
*: (P<0,05). Figure 2. Nine fractions of C. papaya L. ethyl acetate extract from silica gel chromatography column with mobile phase mixture methanol:ethyl acetate:N-hexane (1:2:10) Characterization of C. papaya L Leaves Fraction 9 UV-visible spectrophotometer UV-vis analysis of fraction 9 results in many absorbance peaks. Based on the standard was dissolved in eluent mixture, fraction 9 contains quercetin (flavonoid), triterpenoid and alkaloid. Quercetin was absorbed in wavelength 249, 240, 221, 219 and 204 nm. Triterpenoid was absorbed in wavelength 436, 261, 223 nm; besides alkaloid absorbed at wavelength 213 nm. Shown in Fig 3. Figure 3. UV- Vis analysis of C. papaya L. leaves fraction 9 Fourier Transform Infrared (FTIR) FTIR spectrum was analysed for identification of different biomolecule adsorbed on the fraction 9. The FTIR spectrum of synthesized fraction 9 peaks was observed at 3463,958 cm-1 which are associated with N-H stretching, O-H groups, H-bonded alcohols, phenols, and carboxylate acid. Peaks were observed at 2927,351 cm-1 which are associated with an aldehyde, alkane C-H stretching and ketones, at 1737,584 cm-1 which associated with alkane C-H stretching, at 1642,675 which associated with alkene C=C stretching, C==N stretching, N-H primary amine, and amide stretch. Meanwhile, peak was observed at 1574,113 cm-1 with alkane C-H stretching, alkene C=C stretching, C==N stretching, primary and secondary amine C-N stretching and amide. 1384,386 cm-1 which are associated with O-H groups, H-bonded alcohols, phenols and carboxylate acid Shown in Figure 4. Figure 4. FTIR analysis of C. papaya L. leaves fraction 9 GC-MS Analysis GC-MS analysis detected 11 active compounds in C. papaya L. leaves fraction 9. The identification of each peak was achieved by comparing the retention time (rt) and mass spectra of the compounds in the fraction 9 to the database library. Peak 10 was assumed as the major active compound due to has the highest peak with retention time 23.417 It was formed by molecules of hexanedioic acid, bis(2-ethylhexil) ester and hexanedioic acid, dioctyl ester. Shown in Figure 5. Figure 5. GC-MS analysis of C. papaya L. leaves fraction 9 Discussion Phytochemical identifications have indicated that C. papaya L. leaf extract contains chemical compounds such as alkaloids, tannins, flavonoids, and triterpenoid. These compounds can affect various biological processes in the body in ways that might have harmful or beneficial effects (Baskaran et al., 2012; Aruljothi). In this study, C. papaya L. leaves ethyl acetate extracts was subjected to silica gel column chromatography with mobile phase mixture of methanol:ethanol:n-hexane (1:2:10) yielded 9 fractions. On day 3 and day 7 observation, among control and 8 other fractions, fraction 9 was increasing African catfish leucocytes number 78,00±2,00 and 80,00±1,73(x 103 cells/ ml) respectively. These were still normal values 60-150 (x 103 cells/ ml) of African catfish leucocytes. The UV- Vis analysis of fraction 9 shown that fraction 9 contains active compound such as flavonoid especially quercetin (at wavelength 249, 240, 221, 219 and 204 nm) based on the standard. Besides, it contains triterpenoid in wavelength 436, 261, 223 nm and alkaloid at wavelength 213 nm (Harborne , 2006). This analysis similarly with FTIR analysis which the major active compound of fraction 9 is triterpenoid. Triterpenoid is active compound was majority formed by alcohol, aldehyde and carboxylate acid (Harborne, 2006). GC-MS analysis resulted in the major active compound of C. papaya L. leaves fraction 9 was hexanedioic acid, bis(2-ethylhexil) ester and hexanedioic acid, dioctyl ester. These active compounds are triterpenoid derivatives (Harborne, 2006). These results indicate that C. papaya L. leaves fraction 9 contains active compounds hexanedioic acid, bis(2-ethylhexil) ester and hexanedioic acid, dioctyl ester that are triterpenoid derivatives. These indicate that there is an increase on the leucocytes number of African catfish. Besides, it has beneficial effects on fish health and enhance the immune system (leucocytes number) and hence they could play an important role in preventing disease outbreaks in aquaculture systems. However, in most cases, mechanisms responsible for the physiological answer in fish are still unknown. References
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