Int.J.Curr.Microbiol.App.Sci (2021) 10(08): 278-284

International Journal of Current Microbiology and Applied Sciences ISSN: 2319-7706 Volume 10 Number 08 (2021) Journal homepage: http://www.ijcmas.com

Original Research Article https://doi.org/10.20546/ijcmas.2021.1008.032

Invitro Antioxidant Properties of Punganur Cow Urine at Different Physiological Stages

C. H. Pooja1*, K. Padmaja1, P. Eswara Prasad2, Punya Kumari3 and K. Jayasri1

1Department of Veterinary Biochemistry, 2Director of Research, 3Department of Animal Genetics and Breeding, College of Veterinary Science, Sri Venkateswara Veterinary University, -517502,

*Corresponding author

ABSTRACT

Cow plays a vital role in the socio-economic structure of rural India and cow urine is known for its medicinal values traditionally. Even though there are various reports on cow urine composition, there exist a lacunae on the

K e yw or ds antioxidant nature of Punganur cattle urine. Studies on oxidative stress and

Oxidative stress, antioxidant nature of urine helps to establish the redox status and health status TAC, Free radical of Punganur cows at different physiological stages. Hence a study was carried scavenging activity, out on thirty (30) Punganur cows (10 each) at different physiological stages Punganur cow urine viz, heifers, lactating and dry cows present at Livestock research station, Article Info , Chittor district, . In urine samples, oxidative stress, Total Antioxidant Capacity and free radical scavenging activity were Accepted: evaluated. The results showed lower levels of MDA, higher values of TAC and 15 July 2021 Available Online: free radical scavenging activities (superoxide, hydroxyl, nitric oxide and 10 August 2021 DPPH radicals)in urine of heifers which in turn reflects its more antioxidant potential. It was evident that free radical scavenging activity and reducing

power were correlated with the TAC, hence single assay of TAC may be recommended to assess the antioxidant status of cow urine.

Introduction of these breeds are undergoing genetic degradation due to indiscriminate cross Cow is the backbone of Indian culture and breeding and irregular mating among the rural economy and it sustains our life, breeds situated in each other’s vicinity. As a represent cattle wealth and biodiversity. Indian result, several indigenous breeds with many subcontinent has a rich genetic diversity of desirable traits are under threat, while many livestock with recognized cattle breeds. Most others are in the process of getting replaced

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Int.J.Curr.Microbiol.App.Sci (2021) 10(08): 278-284 completely by certain high producing Assay of lipid peroxidation crossbred animals. The concentration of MDA was measured to Punganur cattle is one such breed of estimate the lipid peroxidation by the method indigenous cattle at the verge of extinction. of Niehaus and Samuelson (1968). Punganur cattle originated at Punganur, of Andhra Pradesh, India. Urine sample (0.5 ml) was mixed with 2 ml of Punganur cattle is the world´s shortest, TBA-TCA-HCl reagent and tubes were boiled humped cattle with switch of the tail touching at 95℃ for 15 min. Then cooled and the ground. Coat color is white and light grey centrifuged at 2500 rpm for 5 min and the with a broad forehead and short horns. absorbance of supernatant solution was measured at 540nm against the blank. The This breed is known for its short stature, high MDA levels in samples were calculated using milk production efficiency, high milk fat 1,1,3,3-tetra methoxy propane as a standard percentage and efficient reproductive and expressed as n moles of MDA/ml of urine characters (Ramesha, 2001). Punganur cow, sample. the sacred Indian cow, is believed to be a mobile medical dispensary and its urine is a Assay of Total antioxidant capacity panacea of all diseases. The urine of Punganur cow is said to have medicinal properties such TAC of urine samples was estimated as antidiabetic activity in rats (Bhaskara according to the method of Ciuti and Liguri Reddy et al., 2013). (2017). One ml of TAC reagent was mixed with 100µl of urine sample. The kinetic mode Oxidative stress is one important cause of of absorbance for one minute at 630 nm with reduced fertility in dairy animals. Wate et al., 20 sec lag time was taken for measurement. (2011) proved the antioxidant activity of raw cow urine, distillate, re-distillate and its residues. Increased rate of metabolism during different physiological stages such as lactation, growth and exercise was reported to Free radical scavenging activity of cow be associated with altered redox status (Celi., urine 2011). Rachana and Sreepada (2019), reported that raw urine of Malnad Gidda scavenged the Hydroxyl radical scavenging Activity free radicals more efficiently than its distillate, hence raw cow urine was used for evaluating Hydroxyl radical scavenging activity was the antioxidant activity. measured by the method of Rajeshwar et al., (2005). The reaction mixture was prepared by Materials and Methods adding 0.1 ml of EDTA, 0.1 ml of FeCl3, 0.1ml of H2O2, 0.36 ml of deoxyribose, 0.33 The urine samples were collected twice during ml of phosphate buffer and 0.1 ml of ascorbic early morning hours and was filtered using acid to 1 ml of diluted urine sample (100 μl of sterile cotton gauze and 0.2 µfilter syringe to sample added to 900 μl distilled water). All exclude the extraneous materials like hair, the contents were mixed thoroughly and dung etc then transferred into sterile amber incubated at 37 ºC for 1 h. To 1 ml of this coloured bottles and stored at -20℃ for further mixture 1 ml of TCA, 1 ml of TBA were analysis. added and then mixed thoroughly. The control was prepared by adding the same volume of

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Int.J.Curr.Microbiol.App.Sci (2021) 10(08): 278-284 the above reaction mixture without urine without urine sample. Percentage of sample. Then absorbance was measured at 532 superoxide anion radical scavenged was nm. Percentage of hydroxyl radical scavenged calculated using the following formula. was calculated using the following formula. Radical scavenged (%) =[(A0-A1)/A0] × 100 Radical scavenged (%) =[(A0-A1)/A0] × 100. where A0 is the absorbance of the control and where A0 is the absorbance of the control and A1 is the absorbance of the sample. A1 is the absorbance of the sample. DPPH Free radical scavenging Activity Nitric oxide radical scavenging Activity The antioxidant activity through DPPH free Nitric oxide radical scavenging activity was radical scavenging system was evaluated by carried out according to Mondal et al., (2006). the method of Yang et al., (2011). The free To 1 ml of sodium nitroprusside solution, 1 ml radical scavenging activity of the urine of diluted urine sample (100 μl of urine samples were measured by using DPPH. sample diluted with 900 μl distilled water) was added and then incubated at 25 ℃ for 2 h and The control was prepared by taking the same 30 min. volume of DPPH and methanol without urine sample. To 100µl of diluted urine samples Then 1 ml of this solution was added to 1ml of (100µl of urine sample was added to 900µl of Griess’s reagent, mixed thoroughly and distilled water) 100µl of DPPH was added in a absorbance was measured at 546 nm against 96-well plate. The reaction mixture was kept the blank. The control was prepared by adding at room temperature in dark for 20 minutes, the same volume of the above reaction and then absorbance was measured at 517 nm mixture without urine sample. Percentage of against the blank. Ascorbic acid was used as a nitric oxide radical scavenged was calculated standard. The percentage of DPPH radical using the following formula. scavenged was calculated using the following formula. Radical scavenged (%) =[(A0-A1)/A0] × 100. Radical scavenged (%) =[(A0-A1)/A0] × 100, where A0 is the absorbance of the control and A1 is the absorbance of the sample. where A0 is the absorbance of the control and A1 is the absorbance of the sample. Superoxide anion scavenging activity Reducing Power Assay Superoxide anion scavenging activity was measured according to the method of Gulcin Reducing power assay was done according to et al., (2002). The reaction mixture was Makari et al., (2008). prepared by adding 1 ml of NBT solution, 1 ml of NADH solution and 100 µl of PMS Urine dilution was done by adding 100µl of solution to 100 µl of urine sample (100 µl of sample to 900µl of phosphate buffer. To 100 sample dissolved in 900µl of distilled water) µl of sample, 500 µl of 1% K 3Fe(CN) 6 was and incubated at 25 ºC for 5 min. The added, mixed thoroughly and incubated at 50 absorbance was measured at 560 nm against °C for 20 min. The reaction was terminated by the blank. The control was prepared by adding adding 500 µl of 10% TCA solution and then the same volume of above reaction mixture centrifuged at 3000 rpm for 10 min. 280

Int.J.Curr.Microbiol.App.Sci (2021) 10(08): 278-284

The upper layer of solution was mixed with Free radical scavenging activity and 1.5 ml of distilled water and 300 µl of 0.1% reducing power of Punganur cow urine FeCl3 solution. The absorbance was measured at 700 nm against the blank. Ascorbic acid Free radical scavenging activity was high in was used as a standard and increase in urine of Punganur heifers followed by dry and absorbance of the reaction mixture is indicator lactating cows. Hydroxyl free radicals are the for increased reducing power. products of oxygen metabolism which induce the oxidative stress and are highly reactive towards biological molecules. In hydroxyl radical scavenging assay, the incubation of Results and Discussion ferric - EDTA with H2O2 and ascorbic acid at pH 7.4 generated hydroxyl radicals which Oxidative stress and In vitro antioxidant were distinguished by their ability to degrade status of Punganur cow urine 2-deoxy-D-ribose into fragments, on heating with TBA at low pH resulting in a pink In vitro antioxidant properties (TAC, chromogen (Lobo et al., 2010). The hydroxyl, nitric oxide, superoxide, DPPH antioxidants present in cow urine removed the radicals and reducing power) were mentioned hydroxyl radicals and prevented the in Table 1. degradation of 2-deoxy-D-ribose.

In the present study, concentration of MDA Sodium nitroprusside (SNP) acts as the main was significantly higher in lactating cows source of NO generation, which reacts with compared to dry cows and heifers (Fig. 1). oxygen and forms nitrite. Significantly high Whereas, TAC was significantly lower in NO radical scavenging activity was observed urine of lactating cows and higher in heifers. in urine of heifers compared to dry and Our results are in agreement with Omidi et al., lactating cows. Cow urine inhibit the (2017) who reported low levels of TAC and formation of nitrite by directly competing with high levels of MDA in serum of lactating oxygen, thereby showed its potential NO cows compared to dry cows. As reported by scavenging ability as reported by Archana and Wachter et al., (1999) a decrease in Vijayalakshmi (2018). The NO and hydroxyl antioxidant activity as lactation progressed radical scavenging activity of Punganur cow was probably due to the depletion of fat- urine was more or less similar to that of raw soluble antioxidants by milk. As reported by urine of Malnad Gidda cows (Rachana and Sordillo and Aitken (2009), high metabolic Sreepada, 2019). demand associated with lactation would be expected to increase the production of ROS Superoxide anion scavenging activity was which inturn may cause oxidative stress found to be low in urine of lactating cows (Castillo et al., 2005; Sharma et al., 2011). compared to dry cows and heifers. Superoxide anions produced by some metabolic reactions In the present study, MDA and TAC values in the body are not directly involved in lipid provided an accurate reflection of the internal peroxidation, but they are the precursor physiological status of the animal and suggest molecules for hydroxyl free radical that decrease in TAC might have resulted in generation. The superoxide anion scavenging increased oxidative stress during lactation activity of urine in Punganur cows was stage in Punganur cows. corroborated with findings of Rachana and Sreepada (2019) in Malnad Gidda.

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Table.1 Invitro Antioxidant status of Punganur Cow urine

Parameter Heifers Lactating Dry TAC(mMoles/L) 2.44c± 0.11 1.05a±0.03 1.46b±0.02 Hydroxyl radical (%) 66.04c ± 0.58 49.27a ± 1.63 53.42b ± 0.62 Nitric oxide radical (%) 42.64b ± 1.28 36.08a ± 0.78 37.46a ± 0.78 Superoxide radical (%) 89.76c ± 0.85 73.82a ± 1.11 82.61b ± 1.19 DPPH radical (%) 52.49c ± 1.01 37.47a ± 1.23 44.08b ± 0.91 Reducing power assay 78.72b±0.19 77.06a±0.25 77.19a±0.32 (µg/ml) Values are mean ± SE (n=30) Means with different superscripts in each row differ significantly (p < 0.05)

Fig.1 Mean values of MDA in urine samples of Punganur cow.

DPPH free radical inhibition ability was compared to lactating and dry cows. As significantly higher in urine of heifers reported earlier, the reducing power of compared to lactating and dry cows. The indigenous cow urine was due to its electron absorbance of DPPH is decreased as it gains donating ability reflecting the potential electrons in the presence of antioxidant. As antioxidant activity of cow urine (Wate et al., reported by Bajpai et al., (2013), the bleaching 2011; Benslama and Harrar, 2016). of DPPH absorption reflects the proton donating activity and thereby free radical Low levels of free radical (nitric oxide, inhibition activity of cow urine. Similar DPPH hydroxyl, superoxide and DPPH) scavenging radical scavenging activity of cow urine was activity and reducing power observed in urine reported by Joshi et al., (2019) in different of lactating cows may be due to the fact that altitudinal and climatic regions of Nepal. the most critical time in cows appears to be the beginning of the lactation, where the Potent reducing capability and antioxidant negative energy balance favours lipid potential was observed in Punganur cow urine mobilization and gluconeogenesis, in terms of and it was found to be high in heifers oxidative balance which produces excess free

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How to cite this article:

Pooja, C. H., K. Padmaja, P. Eswara Prasad, Punya Kumari and Jayasri, K. 2021. In vitro Antioxidant Properties of Punganur Cow Urine at Different Physiological Stages. Int.J.Curr.Microbiol.App.Sci. 10(08): 278-284. doi: https://doi.org/10.20546/ijcmas.2021.1008.032

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