Browsing by Author "Kamlesh Kumar Maurya"

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Effect of Amino Acid Supplementation on Prodigiosin and its Derivatives Production Using Agro-Waste as Potential Substrate
(Springer, 2024) Anisha Maurya; Kamlesh Kumar Maurya; Aparna Agarwal; Arunima Tripathi; Alisha Nandan; Parmjit S. Panesar; Ankita Hooda; Abhishek Dutt Tripathi
The food and beverage industries often utilize synthetic colors to enhance aesthetics, despite concerns about their potential health impacts. Consequently, there is a demand for alternative colors; however, the cultivation of non-toxic natural colors proves to be expensive. This study aims to increase the production of prodigiosin, a promising food color, utilizing pigment-producing microorganisms and agro-industrial waste as a substrate through solid-state fermentation technology. The research begins with screening suitable substrates, including wheat bran powder and rice bran, and orange peel powder, along with strains such as Serratia marcescens bhu prodig and Serratia nematodiphilia (NCIM 5606). Subsequently, pigment production is optimized through amino acid supplementation, particularly focusing on sulfur-containing amino acids (methionine, cysteine, and cystine) and aromatic amino acids (tryptophan and tyrosine). Various analytical techniques, including UV-Visiblspectrophotometry, NMR, FTIR, HRMS, and ESI–MS, are employed to characterize the produced pigment. The findings underscore wheat bran powder as an excellent substrate for pigment production, especially with the strain Serratia nematodiphilia (NCIM 5606). Remarkably, tyrosine emerges as the most effective supplement for enhancing pigment yield, followed by cysteine, cystine, and methionine, with a concentration of 0.125 g/L. Additionally, the pigment obtained contains prodigiosin and its derivatives, with molecular weights of 323.19 Da, 309.18 Da, and 351.23 Da. © Association of Microbiologists of India 2024.
Future Prospects of Biodegradable Polymers with Potential Application in Food Industry
(Springer Nature, 2022) Tejaswini Patil; Abhishek Dutt Tripathi; Dinesh Chandra Rai; Aparna Agarwal; Veena Paul; Kamlesh Kumar Maurya; Pankaj
Enormous plastic production and its consumption and accumulation are a global concern. Although the solution to this issue is “reuse, recycle, and reduce plastic, " it is not quite enough, and therefore biodegradable packaging material is gaining acceptability in the agriculture and food industry for packaging purposes. This chapter summarizes recent approaches and innovations in the field of biodegradable polymers and future prospects. Here, biodegradable polymers and natural polymers with their properties, their applicability, and their degradation are discussed. Also, improvements in properties of natural polymers by using technologies have been discussed. Biodegradable polymers reduce the burden of greenhouse gases on Earth. © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2022.
Growth Kinetics of Prodigiosin (Food Color) Produced by Novel Serratia marcescens bhu prodig Under Submerged Fermentation (SMF)
(Springer, 2023) Kamlesh Kumar Maurya; Abhishek Dutt Tripathi; Deepak Kumar; T.S. Ramyaa; Veena Paul; Aparna Agarwal
Abstract: Prodigiosin is a promising food color due to its antibacterial, antimalarial, antimycotic characteristics, immunomodulating, and antitumor activities. Novel prodigiosin producing strain isolated from sugarcane field soil of Banaras Hindu University, India, characterized as Serratia marcescens bhu prodig by 16 sRNA. The effect of carbon, nitrogen source, and physical parameters (pH and temperature) on pigment yield was studied. The highest amount of pigment produced, which was 800.95 ± 0.05 mg/L, was detected when sorbitol and peptone were used as nitrogen and carbon source with pH 7 at 30 °C. The optimized condition scale-up in a bioreactor with a working capacity of 3.0 L, gave maximum pigment yield of 825 ± 0.05 mg/L with µ (Maximum specific growth rate), Yp/x, which represents the product yield coefficient, and Yp/s, which signifies the specific product yield coefficient and productivity of 0.3/h, 0.62, 0.80, and 0.02 g/L/h, respectively, after 72 h of cultivation in submerged fermentation (SMF). The isolated pigment was characterized as prodigiosin by the analysis of spectral data and GC–MS. The mass spectrophotometry investigation characterized pigment as 4-methoxy-5(5 methyl-4-pentyl-2H-pyrrol-2-ylidene)- 2,2-bipyrrole ring structure. The GC–MS chromatogram showed m/z of 323, representing prodigiosin. The prodigiosin yield and productivity obtained in the current finding were higher than in previous reports. Graphical Abstract: [Figure not available: see fulltext.] © 2023, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
Herbs-derived phytochemicals – a boon for combating COVID-19
(Springer, 2024) Veena Paul; Abhishek Dutt Tripathi; Aparna Agarwal; Dipendra Kumar Mahato; Kartikeya Srivastava; Kamlesh Kumar Maurya
The recent pandemic, the novel coronavirus (COVID-19), has put the whole world on alert with the threat of the virus that targets the human respiratory system. The disease has affected more than 633.6 million people globally and caused 6.5 million deaths since November 18, 2022. About 12.94 billion people are vaccinated as of November 18, 2022. Due to varied climatic conditions, SARS-CoV-2 has shown rapid mutation in recent years. Because of the lack of appropriate therapeutic drugs, inadequate diagnostic mechanisms, life-supporting medical facilities, and lack of awareness, the spread of SARS-CoV-2 has become severe. Thus, the most efficient strategy to control this disease is to follow preventive measures. However, treating SARS-CoV-2 cases in Wuhan using traditional Chinese herbs has set an example to show how traditional health can contribute to treating this novel virus. Medicinal herbs are known for their antimicrobial, antibacterial, antiviral, immunomodulatory, immunoadjuvant, and anti-inflammatory properties. These medicinal herbs are used during cooking and consumed regularly worldwide. In this view, medicinal herbs gained evident attention. These herbs can serve as a potential and economical remedy for combating the lethal effects of COVID-19. The present review highlights the phytochemicals and their mechanisms of action in preventing SARS-CoV-2. © The Author(s) under exclusive licence to Society for Plant Research 2023.
Introduction: Scope and Importance of Biodegradable Polymers
(Springer Nature, 2022) Veena Paul; Abhishek Dutt Tripathi; Kamlesh Kumar Maurya; Pankaj; Dinesh; Dinesh Chandra Rai
In today’s world, the interest in biodegradable polymers has grown significantly. The demand for these polymers has skyrocketed, making them broadly utilized polymers with a range of several applications. Plant, animal, and microbially derived biopolymers have piqued the interest of researchers. Because of their inherent properties like biodegradability, biocompatibility, inexhaustibility, and economic availability, the need for biodegradable polymers has been enhanced. Recent trends in the food packaging industry have shown the employment of biodegradable polymers with improved characteristics. This chapter emphasizes biodegradable polymers’ development, classification, application, challenges, and market opportunities. The application of these polymers in active and intelligent packaging are summarized. This chapter also highlights the application of biodegradable polymers as an assuring green technique for assuring the quality and safety of food. © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2022.
Occurrence, impact on agriculture, human health, and management strategies of zearalenone in food and feed: A review
(MDPI AG, 2021) Dipendra Kumar Mahato; Sheetal Devi; Shikha Pandhi; Bharti Sharma; Kamlesh Kumar Maurya; Sadhna Mishra; Kajal Dhawan; Raman Selvakumar; Madhu Kamle; Awdhesh Kumar Mishra; Pradeep Kumar
Mycotoxins represent an assorted range of secondary fungal metabolites that extensively occur in numerous food and feed ingredients at any stage during pre- and post-harvest conditions. Zearalenone (ZEN), a mycotoxin categorized as a xenoestrogen poses structural similarity with natural estrogens that enables its binding to the estrogen receptors leading to hormonal misbalance and numerous reproductive diseases. ZEN is mainly found in crops belonging to temperate regions, primarily in maize and other cereal crops that form an important part of various food and feed. Because of the significant adverse effects of ZEN on both human and animal, there is an alarming need for effective detection, mitigation, and management strategies to assure food and feed safety and security. The present review tends to provide an updated overview of the different sources, occurrence and biosynthetic mechanisms of ZEN in various food and feed. It also provides insight to its harmful effects on human health and agriculture along with its effective detection, management, and control strategies. Copyright: © 2021 by the authors.
Organisational talent management and perceived employer branding
(Emerald Group Publishing Ltd., 2018) Kamlesh Kumar Maurya; Manisha Agarwal
Purpose: The purpose of this paper is to examine the potential impact of organisational talent management practices on perceived employer branding. Talented employees are the lifeline of any organisation who contribute effectively to the organisation’s success. Talented workforce and their organisational attraction to remain productive act as a primary competitive enabler for the organizational performance. Employer branding now becomes a key factor to achieve success in business which engenders cognitive and emotional association along with positive involvement at workplace among organizational members. In the context of economic competitiveness and globalisation, employers are experiencing challenge in attracting and retaining talented workers. Design/methodology/approach: This paper uses quantitative design; questionnaire survey method was used for assessing the organisational talent management and employer branding. Data have been collected through a sample of 232 executives’ class employees from various coal and iron mining industries located in Indian subcontinents. Finally, 197 responses were found to be acceptable for analysis. Hypotheses were tested using a comparison of means, correlations and multiple regression analysis. Findings: Findings of the paper show that organisational talent management is strongly and positively with the perceived employer branding. Regression analysis showed that among the eight dimensions of organisational talent management, the predictors that are most effective in predicting the employer branding are, namely, rewards and remunerates fairly, manages work–life balance and attracts and recruits talent. Research limitations/implications: This paper was limited by a small sample size and the use of a cross-sectional design is not done. On the ground of analysis, more specific approach is required to apply the findings to the general population. Originality/value: Much of the work on employer branding is conceptual based on marketing principle and limited to deal with potential employees. This paper provides empirical evidence from the internal/current employees’ perspective, by investigating the relationship between organisational talent management practices and organisational attraction internally, that is, perceived employer branding. Present paper contributes significantly to the implication and understanding of social exchange theory, internal branding theory and social identity theory in organisational setting (Eisenberger et al., 1986; Liden et al., 1997; Masterson et al., 2000; Settoon et al., 1996; Wayne et al., 1997). © 2018, Emerald Publishing Limited.
Perceived work–life balance and organizational talent management: mediating role of employer branding
(Emerald Group Holdings Ltd., 2021) Kamlesh Kumar Maurya; Manisha Agarwal; Dhirendra Kumar Srivastava
Purpose: This paper aims to examine the effect of perceived work–life balance on the perceived level of employer branding attraction valueand organizational talent management. Accordingly, the structural model is developed that delineates the interactions among these and explores the mediating effect of employer branding attraction value between the relationship of work–life balance and organizational talent management. Design/methodology/approach: This study is based on survey results and review of literature in terms of their implications for the proposed framework. Data have been collected by convenience incidental sampling from middle-level executives working in different information and technology (IT) companies. The model and posited hypotheses were tested through structural equation modeling analysis. Findings: Perceived work–life balance was found to be positive and significantly predicted the employer branding attraction value and organizational talent management. The study also showed that there exists a significant and positive correlation between employer branding attraction value and perceived organizational talent management. Further, employer branding attraction value found to be a mediating construct between the relationship of work–life balance and organizational talent management. Research limitations/implications: The present study will add insight into the human resource practitioners to design cost-effective and prolonged popular practices in order to meet the employees work and personal expectations under the organizational association. The research investigated issue within focused IT sector employees to understand and solve the issues generated with changing factors in an organizational environment such as increasing women participation, duel earning couple, and maintaining the difference between various categories of employees at the practice level. Social implications: The study has value at both the scholarly and practice level. At a scholarly level, the research investigated an important contemporary issue at both level individual as well as organizational level. In practice if organization implements people friendly work-life balance policies, then this will be surely be helpful in organizational productivity in form of talent management and employer branding and further this will improve the personal and professional performance of most elementary component of developing society. Originality/value: Work–life balance much more depends upon employees' perception, but so far the study has neglected the impact of this perception on other organizational attributes maintained under human resource management. Changes in demographic characteristics and interchangeable role of the youth population in organizations and society as well thrive for the newer approach to deal with the personal and professional aspects of the employees. © 2020, Emerald Publishing Limited.
Role of polyhydroxyalkanoates (PHA-biodegradable Polymer) in food packaging
(River Publishers, 2020) Abhishek Dutt Tripathi; Simmie Sebstraien; Kamlesh Kumar Maurya; Suresh Kumar Srivastava; Shankar Khade; Kundan
Bioplastics are more ecofriendly than petrochemical derived plastics due their environmental degradability.PHA based plastic easily biodegradable in soil beneath natural circumstance. Bioplastics are not cause any type of hazardous pollution. Biodegradable plastic used in various industries such as medical, agricultural and packaging industry. These bioplastics component like PHA and PHB produces by various microorganism using agro industrial wastage. So it is more convenient over petrochemical packaging material and very less emission of carbon. © 2020 River Publishers.
Standardization of Process Parameters for Enhanced Prodigiosin Production from Wheat Bran Using Taguchi Methodology
(Springer Science and Business Media B.V., 2024) Kamlesh Kumar Maurya; Abhishek Dutt Tripathi; Deepak Kumar; Parmjit S. Panesar; Veena Paul; Aparna Agarwal
Prodigiosin finds tremendous application in the food industry owing to its physicochemical and non-toxic attributes. In the present investigation, microbial production of food color (prodigiosin) was done by Serratia marcescens NCIM 5246 under solid-state fermentation (SSF). For economical prodigiosin yield, initial substrate screening was conducted using agro-waste such as rice bran, wheat bran, orange peel powder, green gram husk and cane molasses. A maximum pigment yield of 1059.67 ± 1.53 µg/L was observed on wheat bran media. Further, Taguchi Design of the experiment (DOE) using Qualitek-4 software with bigger is better as quality attributes was done for process optimization. The Taguchi (DOE) comprised five independent variables, i.e., pH, temperature, substrate concentration, trace metal concentration, and inoculum size at two levels. The software deduced independent variables’ individual and interactive effects on product yield by performing an L8 orthogonal array (OA). The output variable (prodigiosin yield) was improved based on the S/N ratio. Under optimized cultural conditions maximum prodigiosin yield of 1320.2 ± 20 µg/L was obtained. The expected prodigiosin yield of 1386.60 µg/L showed a 95% resemblance with the actual yield, showed model validation, and 24.57% improvement in overall yield. The extracted pigment was purified by TLC and was characterized as prodigiosin by absorption spectroscopy and FTIR. Graphical abstract: (Figure presented.) © The Author(s), under exclusive licence to Springer Nature B.V. 2024.