Physical, Spectroscopic and Thermal Characterization of Biofield Treated Fish Peptone
|European Journal of Biophysics
Published December 21, 2015
|Mahendra Kumar Trivedi, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, Snehasis Jana. Physical, Spectroscopic and Thermal Characterization of Biofield Treated Fish Peptone. European Journal of Biophysics. Vol. 3, No. 6, 2015, pp. 51-58. doi: 10.11648/j.ejb.20150306.12|
|Physical, Spectroscopic and Thermal Characterization of Biofield Treated Fish Peptone|
Mahendra Kumar Trivedi, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, Snehasis Jana
DOI: 10.11648/j.ejb.20150306.12 ISSN: 2329-1745 (Print) 2329-1737 (Online)
Mahendra Kumar Trivedi, Alice Branton, Dahryn Trivedi, Gopal Nayak, Ragini Singh, Snehasis Jana. Physical, Spectroscopic and Thermal Characterization of Biofield Treated Fish Peptone. European Journal of Biophysics. Vol. 3, No. 6, 2015, pp. 51-58. doi: 10.11648/j.ejb.20150306.12
The by-products of industrially processed fish are enzymatically converted into fish protein isolates and hydrolysates having a wide biological activity and nutritional properties. However, the heat processing may cause their thermal denaturation thereby causing the conformational changes in them. The present study utilized the strategy of biofield energy treatment and analysed its impact on various properties of the fish peptone as compared to the untreated (control) sample. The fish peptone sample was divided into two parts; one part was subjected to Mr. Trivedi’s biofield treatment, coded as the treated sample and another part was coded as the control. The impact of biofield treatment was analysed through various analytical techniques and results were compared with the control sample. The particle size data revealed 4.61% increase in the average particle size (d50) along with 2.66% reduction in the surface area of the treated sample as compared to the control. The X-ray diffraction studies revealed the amorphous nature of the fish peptone sample; however no alteration was found in the diffractogram of the treated sample with respect to the control. The Fourier transform infrared studies showed the alterations in the frequency of peaks corresponding to N-H, C-H, C=O, C-N, and C-OH, functional groups in the treated sample as compared to the control. The differential scanning calorimetry data revealed the increase in transition enthalpy (ΔH) from -71.14 J/g (control) to -105.32 J/g in the treated sample. The thermal gravimetric analysis data showed the increase in maximum thermal degradation temperature (Tmax) from 213.31°C (control) to 221.38°C along with a reduction in the percent weight loss of the treated sample during the thermal degradation event. These data revealed the increase in thermal stability of the treated fish peptone and suggested that the biofield energy treatment may be used to improve the thermal stability of the heat sensitive compounds.
Keywords: Fish Peptone, Biofield Energy Treatment, Protein Hydrolysate, Differential Scanning Calorimetry, Thermogravimetric Analysis
The fisheries industry is a major source of income for various countries worldwide. However, the industrially processed fish that is utilized for human consumption yields more than 3.17 million tons by-products per year . These by-products require proper disposal and hence creates the huge revenue loss to the seafood industry . Therefore, the emphasis was done to find the new uses for these waste byproducts. In recent years, several advancements in biotechnology field utilize the marine by-products and convert them into some product of interest . It includes their conversion in protein isolates and hydrolysates having functional food properties and natural food antioxidants . The protein converts into smaller peptides through enzymatic conversion and their breakdown products yield protein hydrolysates. Many researchers have reported the biological activity and nutritional values of protein hydrolysates through their bioactive peptides [5, 6].
The peptones are a mixture of polypeptides and amino acids that are used in several biotechnological applications. They are derived from the acid or enzymatic hydrolysis of natural products such as bovine or porcine meat, milk, yeasts, and plants. The peptones are mainly used in the production of media for fermentation, tissue culture, and vaccine stabilizers . The main source of peptone is animal tissues; however it faces the problem of bovine spongiform encephalopathy, a neurodegenerative disease and commonly known as mad cow disease. The main cause of this disease is a specific type of misfolded protein, prion and transmitted to the healthy animals through infected sheep and goats . The problems related to animal tissue peptones and their increased demand as raw material focuses the attention towards fish peptones due to their non-meat origin, free from swine-flu, and inexpensive, as derived from fish by-products [9, 10]. Further researches proved fish peptone as a source of high protein and a balance of amino acids, hence used as the main source of industrial peptones. The peptones as a source of nitrogen become the most expensive part of growth media in the fermentation industry . Besides, during processing such kind of products are subjected to various thermal treatments to inactivate the antinutritional factors, remove allergens, and to obtain the required solubility and texture . However, they may face the problem of some conformational changes due to their thermal denaturation during heating that might affect their solubility, stability, and shelf-life [13, 14]. Therefore, it creates the need for some alternative strategies that may help to improve the stability related issues of this compound in a cost-effective manner.
The biofield energy treatment was reported as a measure for increasing the thermal stability of some organic products . It is a putative form of energy that surrounds the body of all living organisms and can be exchanged with the environment [16, 17]. A human can harness the energy from the environment or universe and can transmit it to any living or non-living object. The object(s) will receive the energy and respond to useful way, this process is termed as biofield treatment. It is reported for the efficacy and benefits in cancer and arthritis patients [18, 19]. Moreover, Mr. Trivedi is also well known for his unique biofield energy treatment, The Trivedi Effect®. It was reported for its impact on the plants , microorganisms , and culture medium . Hence, the present work was aimed to treat the fish peptone by Mr. Trivedi’s biofield energy and evaluate the impact on the physicochemical properties and stability of the fish peptone using various analytical techniques viz. particle size analyser, surface area analyser, X-ray diffraction, Fourier transform infrared spectroscopy, UV-visible spectroscopy, differential scanning calorimetry, and thermogravimetric analysis.
2. Materials and Methods
The fish peptone was procured from HiMedia Laboratories, India. In treatment methodology, the fish peptone sample was divided into two equal parts in which one part was coded as the control and another part as the treated. The treated part was handed over in sealed pack to Mr. Trivedi under standard laboratory conditions. Mr. Trivedi provided the biofield energy treatment to this part (treated) through his unique energy transmission process, without touching the sample. The control part was kept untreated. The impact of biofield treatment on the treated sample was subsequently analysed as compared to the control sample using various analytical techniques.
2.1. Particle Size Analysis
The SYMPATEC HELOS-BF laser particle size analyser was used for the determination of particle size of the control and treated samples. The analyser was having a detection range of 0.1 μm to 875 μm. The parameters determined in the analysis were d50 (average particle size) and d99 (size below which 99% of the particles are present).
2.2. Surface Area Analysis
The Brunauer-Emmett-Teller (BET) surface area analyser, Smart SORB 90 was used to calculate the surface area of the control and treated samples.
2.3. X-Ray Diffraction (XRD) Study
The X-ray powder diffractograms were recorded using Phillips Holland PW 1710 X-ray diffractometer that uses 1.54056Å wavelength of radiation. The X-ray generator was operating at 35kV and 20mA and equipped with a copper anode with nickel filter. The diffractograms of control and treated samples were analysed to determine the nature of the sample, i.e. crystalline or amorphous and XRD of treated sample was compared with the control to analyse any difference between them.
2.4. Fourier Transform-Infrared (FT-IR) Spectroscopic Characterization
The Shimadzu’s Fourier transform infrared spectrometer (Japan) was used for recording the FT-IR spectra of the control and treated samples in the frequency range 4000-450 cm-1. The spectra were obtained in the form of wavenumber (1/cm) vs. percent transmittance (%T). The peaks obtained from the spectra of control and treated samples were assigned on the basis of functional groups present in the sample. The frequency of the peaks corresponding to the functional groups were compared in the control and treated samples for analysing the impact of biofield energy with respect to the bond length and bond angle of those functional groups.
2.5. UV-Visible (UV-Vis) Spectroscopic Characterization
The UV-Vis spectral analysis was carried out using Shimadzu UV-2400 PC series spectrophotometer. The spectra of the control and treated samples were recorded using 1 cm quartz cell that has a slit width of 2.0 nm.
2.6. Differential Scanning Calorimetric (DSC) Analysis
The DSC analysis of control and treated samples was carried out using model Perkin Elmer/Pyris-1. The samples were heated at a rate of 10°C/min under air atmosphere (5 mL/min). The thermograms were collected over the temperature range of 50°C to 300°C. Any differences in the transition temperature and transition enthalpy were recorded from the thermogram to determine the impact of biofield energy treatment on the treated sample with respect to the control.
2.7. Thermogravimetric Analysis / Derivative Thermogravimetry (TGA/DTG)
The thermal stability profile of fish peptone was analysed using Mettler Toledo simultaneous thermogravimetric analyser (TGA/DTG). The temperature range was selected from room temperature to 400ºC and a heating rate of 5ºC/min under air atmosphere. The impact of biofield treatment was analysed by comparing the pattern of degradation, maximum degradation temperature, and percent weight loss of the treated sample as compared to the control sample.
3. Results and Discussion
3.1. Particle Size Analysis
The particle size analysis data depicted that the d50 and d99 were 23.44 and 120.17 μm, respectively in the control sample. However, in treated sample, the d50 and d99 were found as 24.52 and 124.11 μm, respectively. The percent change observed in the particles sizes of the biofield treated sample with respect to the control is depicted in Fig. 1. It revealed that d50 was increased by 4.61%, and d99 was increased by 3.28% in the treated sample as compared to the control. The protein molecules have a tendency to aggregate through the weak interactions . Moreover, the temperature has a significant impact on the aggregation rate . Hence, it is assumed that the biofield energy treatment might provide some energy to the sample that resulted in the slight increase in the particle size of the treated sample through the process of aggregation.
3.2. Surface Area Analysis
The surface area of control and treated samples of fish peptone was investigated using BET method. The data reported that the control sample had a surface area of 0.188 m2/g; however, the treated sample had a surface area of 0.183 m2/g. It showed that the surface area was decreased by 2.66% (Fig. 1) in the treated sample as compared to the control. The effective surface area is inversely related to the particle size of the compound . Thus, the slight decrease in surface area might be attributed to the increase in the particle size of the treated sample after biofield treatment.
3.3. X-Ray Diffraction (XRD)
The X-ray powder diffractograms of control and treated samples of fish peptone are shown in Fig. 2. The XRD pattern of the control sample did not contain any diffraction maxima, which indicated that the molecules were internally disordered and glassy in nature. The glassy material showed one broad peak that resulted due to short range ordering of the molecules as compared to the long-range order in a crystal . The diffractogram of the treated sample also showed similar XRD pattern indicated that biofield energy treatment may not cause any alteration in the ordering of the molecules of fish peptone sample.
3.4. FT-IR Spectroscopic Analysis
The FT-IR spectra of fish peptone (control and treated samples) are shown in Fig. 3. The fish peptone contains mainly proteins and carbohydrates . Hence, the major vibration peaks observed (Table 1) were assigned to the functional groups present in these ingredients. The peak at 3080 cm-1 in the control sample was assigned to NH3+ antisymmetric stretching of amino acids; however the peak might get merged with the C-H stretching peaks . Besides, in the treated sample the peak was shifted to a lower frequency at 3066 cm-1. Similarly, the C-H stretching peaks of carbohydrates were appeared at 2993 and 2893 cm-1 in the control sample, whereas, in the treated sample, the peaks were appeared at 2976 and 2885 cm-1. Besides, the C-H stretching peak of CH2 group attached to -O- of lactone ring present in carbohydrate was observed at higher frequency i.e. at 2835 cm-1 as compared to the control (2815 cm-1). The peak observed at 1753 cm-1 in the control sample was assigned to the C=O stretching of the lactone ring that was not observed in the treated sample. Moreover, the peak at 1635 cm-1 in the control was assigned to the NH2 deformation and C=O stretching of the amide present in the peptone. However, the corresponding peak was shifted to 1643 cm-1 in the treated sample. Similarly, the peak observed at 1589 cm-1 in the control sample was assigned to the NH2 deformation of amino acids and ring stretching of the benzene ring. The corresponding peak was appeared at 1579 cm-1 in the treated sample. The peaks due to aliphatic CH3 scissoring and bending were observed at 1438 and 1340 cm-1 in the control sample; however the corresponding peaks were observed at 1458 and 1342 cm-1 in the treated sample. The O-H in-plane bend and C-N stretching of amide group present in amino acids showed a peak at 1400 cm-1 in the control and 1402 cm-1 in the treated sample. Similarly, the -C-O-C- stretching peak of the lactone ring was observed at 1245 and 1247 cm-1 in the control and treated samples, respectively . Besides, the N-H bending peak of pyrrole ring C-N stretching peak of pyrazole ring present in proteins was appeared at 1151 cm-1 in the control sample [29,30]; whereas at 1118 cm-1 in the treated sample. The C-OH stretching peak of carbohydrates was observed at 1072 cm-1 in the control and 1085 cm-1 in the treated sample. The C-H out of plane bending peak of pyrazole ring in was observed at the same frequency in both the control and treated samples i.e. at 921 cm-1. Similarly, the peaks due to O=C-O bend of carboxylic acid and -N-C=O bend of amide group present in amino acids were observed at nearly same frequencies in both the samples i.e. at 617 and 536 cm-1 in the control and 619 and 536 cm-1 in the treated sample, respectively.
|S. No.||Functional group||Wavenumber (cm-1)|
|4||C=O stretching (lactone)||1753||ND|
|5||NH2 deformation, C=O stretching||1635||1643|
|6||NH2 deformation, Ring stretching (benzene)||1589||1579|
|8||O-H in plane bend, C-N stretching (amide)||1400||1402|
|9||C-O-C stretching (lactone)||1245||1247|
|10||N-H bending, C-N stretching (heterocyclic ring)||1151||1118|
|12||C-H out of plane bend (heterocyclic ring)||921||921|
|14||N-C=O bending (amide)||536||536|
Table 1. Vibration modes observed in fish peptone.
The observation showed the alterations in the frequency of several peaks in the treated sample such as N-H, C-H, C=O, C-N, C-OH, etc. as compared to the control. It revealed that the biofield energy treatment might have an impact on the bond length, bond angle, or dipole moment of the corresponding functional groups in the treated sample. However, further analysis is required to determine the effect of biofield energy on the particular functional group and its impact on the properties of fish peptone sample.
3.5. UV-Vis Spectroscopic Analysis
The UV spectrum of control sample showed the absorption peak at λmax equal to 258 nm. The biofield treated sample also showed absorption peak at similar wavelength i.e. 259 nm. It showed that the biofield energy treatment had not affected the HOMO→LUMO transition within the components of fish peptone sample.
3.6. DSC Analysis
The DSC thermograms of control and treated samples of fish peptone are presented in Fig. 4. The thermogram of control sample showed a broad endothermic peak in the range of 193°C-197°C. The broadness of peak confirmed the amorphous nature of the sample as evident from the XRD studies. Moreover, the DSC can be used in the evaluation of stability of the sample by determining the temperature at the maximum point of the endothermic curve (Tm) . The DSC thermogram of the control sample showed Tm at 197.14°C. This temperature can be considered as the denaturation temperature of the control sample . Furthermore, the treated sample showed the endothermic curve in the range of 189°C-200°C and the Tm was reported at 197.20°C. The results of control and treated samples do not reveal any significant alteration in the denaturation temperature (Tm); however, the major difference was observed in the transition enthalpy (ΔH) during this event. The control sample showed the ΔH of -71.14 J/g whereas; the treated sample showed ΔH of -105.32 J/g. It revealed that the biofield treated sample required 31.14 J/g more energy to undergo the process of denaturation that might be related to the increased thermal stability of the treated sample as compared to the control.
3.7. TGA/DTG Analysis
The TGA/DTG studies analyse the change in the mass of the sample and thereby measure the physical or chemical changes that may occur within the sample during the heat treatment. This method is also used as a complementary to the DSC technique . These techniques were used to determine the thermal stability of the sample. The TGA/DTG thermograms of the control and treated samples of fish peptone are reported in Fig. 5. The TGA thermograms of both samples showed the presence of two-step degradation. In the control sample, the first step showed an onset temperature of 195°C and an endset of about 240°C, which involved a weight loss of 16.76% of the sample. On the other hand, the treated sample showed an onset temperature of 193°C and the endset of 250°C with a weight loss of 12.96% in the first step of degradation. The TGA results were similar to the data revealed by DSC studies and suggested that the onset temperature of weight loss in control and treated samples were due to the thermal degradation of the samples. However, the treated sample lost less weight as compared to the control sample that might be due to increase in the thermal stability of the treated sample after biofield treatment. Moreover, the second step of degradation in the control sample commenced at 260°C is also delayed by 8°C and observed at 268°C in the treated sample. Besides, DTG thermogram data showed that Tmax was observed at 213.31°C in the control sample while 221.38°C in the treated fish peptone. It indicated that Tmax was increased in the treated sample as compared to the control. Furthermore, the reduction in percent weight loss and the increase in Tmax in the treated sample of fish peptone with respect to the control sample may be correlated with the increased thermal stability. The biofield treatment was also reported for increasing the thermal stability in casein enzyme hydrolysate and casein yeast peptone . Hence, it is assumed that the biofield energy treatment might induce the aggregation of the molecules of treated sample through the weak intermolecular interactions that resulted in increased thermal stability. Besides, as reported earlier, during processing the thermal treatment can cause the denaturation of such type of compounds and result in the conformational changes. These changes might affect the solubility and stability of compound along with their long term storage [13,14]. Hence, the biofield treatment might be used as an effective measure to increase the thermal stability, thereby increasing the stability, efficacy and shelf-life of these compounds.
The biofield treated fish peptone reported the increased particle sizes (d50 and d99) suggesting the aggregation of molecules that might occur due to the impact of biofield energy. The slight reduction in surface area was also revealed in the treated sample as compared to the control that supported the impact of biofield energy on the particle size. The XRD studies revealed the amorphous nature of fish peptone sample; however no significant alteration was observed in the diffractogram of treated sample as compared to the control. The FT-IR spectroscopy results suggested some alteration in the frequency of peaks of various functional groups in the treated sample such as N-H, C-H, C=O, C-N, C-OH, etc. that may be due to the impact of biofield energy treatment on the bond length, bond angle, or the dipole moment corresponding to these groups. Moreover, the DSC analysis revealed the increase in transition enthalpy during degradation of the treated sample that suggested the increased need for energy by the treated sample to undergone the degradation process as compared to the control. The TGA/DTG studies depicted the increase in Tmax and reduced percent weight loss of the treated sample as compared to the control. Hence, the DSC and TGA/DTG studies showed the increased thermal stability of the treated sample. Thus, it can be concluded that the biofield treated fish peptone sample may be more thermally stable as compared to the control, and the biofield energy treatment could be used as an alternative strategy for improving the thermal stability of different compounds.
The authors would like to acknowledge the whole team from the Sophisticated Analytical Instrument Facility (SAIF), Nagpur and MGV Pharmacy College, Nashik for providing the instrumental facility. Authors also greatly acknowledge the support of Trivedi Science, Trivedi Master Wellness and Trivedi Testimonials in this research work.
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