Review
Food Science & Technology
Inaki Diez-Ozaeta, Oihana Juaristi Astiazaran
Summary: This review summarizes the latest research studies on Kombucha tea, including the microbial population, chemical parameters, biocellulose production, and the biological activities of Kombucha tea. Despite its potential benefits on human health, there is currently a lack of human-based evidence to prove the beneficial effects of Kombucha tea.
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
(2022)
Article
Materials Science, Multidisciplinary
V. M. Bergottini, D. Bernhardt
Summary: This study presents a simple procedure to transform Kombucha SCOBY membranes into cellulose nanofiber aerogels. The obtained nanofibers had a thickness ranged mainly between 50 and 110 nm, good crystallinity (90%), and thermal stability (343 oC). The simplicity of this nanofiber aerogel protocol may contribute to the development of nano-scale materials, giving higher value to this generally composted by-product.
MATERIALS TODAY COMMUNICATIONS
(2023)
Article
Food Science & Technology
Nicola Ferremi Leali, Renato L. Binati, Francesco Martelli, Veronica Gatto, Giovanni Luzzini, Andrea Salini, Davide Slaghenaufi, Salvatore Fusco, Maurizio Ugliano, Sandra Torriani, Elisa Salvetti
Summary: This study provides insights into the metabolic signatures of strains in kombucha microbial community, facilitating the standardization of kombucha production and demonstrating the roles played by different strains in the fermentation process.
Article
Food Science & Technology
Diego Morales, Roger Gutierez-Pensado, Francisca Isabel Bravo, Begona Muguerza
Summary: This study aimed to obtain alternative kombucha drinks enriched in phenolic compounds and with a high antioxidant activity using fruits instead of tea leaves. Fruit-based kombuchas prepared with different fruits and microbial consortia were evaluated for their pH, carbohydrate, ethanol, phenolic levels, and in vitro antioxidant capacity during fermentation. The results showed that fruit-based kombuchas, especially the strawberry kombucha, had higher levels of phenolic compounds and exhibited high in vitro antioxidant activity.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2023)
Article
Microbiology
Marcin Kruk, Monika Trzaskowska, Iwona Scibisz, Patryk Pokorski
Summary: The study evaluated the possibility of using kombucha and the SCOBY for producing fermented milk drinks, developing lactose-free and traditional milk variants with fermentation parameters and chemical properties analyzed. While the products showed potential health benefits, further testing is required to optimize production costs, health benefits, and sensory quality.
Article
Polymer Science
Pantitra Yakaew, Thapani Phetchara, Piyaporn Kampeerapappun, Kawee Srikulkit
Summary: SCOBY bacterial cellulose (BC) and hydrolyzed collagen (HC) blend films coated with chitosan showed improved antimicrobial activity and balanced loading/releasing performance of ascorbic acid. The blend films could maintain active ascorbic acid for a long time by controlling water swellability and blending formulation.
Article
Materials Science, Paper & Wood
Eduardo Leonarski, Giulia Valar Martini, Karina Cesca, Marcos Fellipe Da Silva, Rosana Goldbeck, Patricia Poletto
Summary: The study evaluated the yield of cellobiose released from bacterial cellulose (BC) collected from a medium-sized kombucha producer using enzymatic hydrolysis. The maximum cellobiose production (10-11 g/L) was achieved with 4% BC (w/v) within 48 hours of hydrolysis.
CELLULOSE CHEMISTRY AND TECHNOLOGY
(2023)
Article
Biotechnology & Applied Microbiology
Camila A. Venegas, Luis A. Saona, Kamila Urbina, Pablo Quintrel, Tomas A. Pena, Wladimir Mardones, Francisco A. Cubillos
Summary: By using different Saccharomyces eubayanus strains together with SCOBY in kombucha fermentation, it was found that yeast x SCOBY co-cultures exhibited a robust fermentation profile, providing ethanol and acetic acid levels ranging from 0.18-1.81%v/v and 0.35-1.15 g/L, respectively. Additionally, the volatile compound profile of co-cultures was unique, with certain compounds only found in yeast x SCOBY fermentations.
Article
Food Science & Technology
Marina Pihurov, Bogdan Pacularu-Burada, Mihaela Cotarlet, Leontina Grigore-Gurgu, Daniela Borda, Nicoleta Stanciuc, Maciej Kluz, Gabriela Elena Bahrim
Summary: This study aims to increase the postbiotic composition of fermented products (FPs) obtained from the co-fermentation of symbiotic cultures (such as SCOBY and WKG) by optimizing various parameters. The Plackett-Burman (PBD) and Response Surface Methodology (RSM) techniques were used to select and optimize the tea concentration, sugar concentration, raisins concentration, SCOBY and WKG lyophilized culture concentration, and fermentation time. The optimized biotechnological conditions resulted in FPs with a rich postbiotic bioactive composition, highlighting the potential of artisanal co-cultures for improving bioactivity.
Article
Biotechnology & Applied Microbiology
Doaa A. Hamed, Heba H. Maghrawy, Hussein Abdel Kareem
Summary: This study focuses on the production of bacterial cellulose nanofibrils (BCNF) from black tea as a cost-effective alternative medium and investigates the effect of gamma radiation on BCNF properties.
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
(2023)
Article
Materials Science, Paper & Wood
Meixia Zheng, Meichun Chen, Jianfu Chen, Kok Bing Tan, Rongfeng Xiao, Yanping Chen, Yujing Zhu
Summary: A genetically stable bacterial strain FM883 was isolated from kombucha tea, which efficiently produces high-quality bacterial cellulose (BC) with excellent thermostability in modified media. The BC biosynthesized by FM883 demonstrates excellent production quality control, desired for commercial manufacturing.
Review
Food Science & Technology
Nathalie Barakat, Sandra Beaufort, Ziad Rizk, Jalloul Bouajila, Patricia Taillandier, Youssef El Rayess
Summary: This review paper discusses the fermentation parameters of different non-tea substrates used to make kombucha, as well as the findings from physico-chemical analysis, biological activities, and sensory evaluation.
CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION
(2022)
Article
Polymer Science
Barbara Estefania Arteaga-Ballesteros, Andrea Guevara-Morales, Eduardo San Martin-Martinez, Ulises Figueroa-Lopez, Horacio Vieyra
Summary: The biodegradable and compostable composites of PLA and bacterial cellulose exhibit increased crystallinity with higher cellulose content, with the 3% cellulose blend showing resistance to stress up to 40 MPa and temperatures up to 120 degrees Celsius without distortion.
Article
Nutrition & Dietetics
Karolina Jakubczyk, Patrycja Kupnicka, Klaudia Melkis, Oliwia Mielczarek, Joanna Walczynska, Dariusz Chlubek, Katarzyna Janda-Milczarek
Summary: Kombucha, a fermented tea beverage, contains various organic acids, vitamins, and amino acids. The type of tea and fermentation time significantly influence the micronutrient content in Kombucha, which can serve as a dietary supplement.
Article
Chemistry, Applied
Yuly A. Ramirez Tapias, M. Victoria Di Monte, Mercedes A. Peltzer, Andres G. Salvay
Summary: The symbiotic community of bacteria and yeast (SCOBY) in Kombucha beverage produces cellulose films in six different herbal infusions, with yerba mate showing remarkable antioxidant activity. The films retained bioactive substances essential for developing active materials.
Article
Chemistry, Analytical
Suman Nayak, Paresh Kale, P. Balasubramanian
Summary: In this study, the inhibition potential of heavy metals on horseradish peroxidase at different pH levels was investigated. The results showed significant variations in the inhibition potential of different heavy metal ions, with substantial changes observed when combined with Cr(6+) ions.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2022)
Article
Energy & Fuels
S. Mari Selvam, Paramasivan Balasubramanian
Summary: This study utilizes machine learning approaches to predict the yield and characteristics of microwave-derived biochar, revealing that microwave power is the most significant factor influencing biochar yield and properties.
BIOENERGY RESEARCH
(2023)
Article
Food Science & Technology
Susanta Pradhan, Muhil Raj Prabhakar, K. R. Karthika Parvathy, Baishali Dey, Sivaraman Jayaraman, Bunushree Behera, Balasubramanian Paramasivan
Summary: This study compared the physico-chemical and microbial growth patterns of Kombucha beverage production using tea waste from the tea processing industries with that of green/black tea, and found similar trends irrespective of the type of tea used. The Kombucha beverage made from tea waste contained a dominant presence of Komagataeibacter rhaeticus and yeast species similar to Brettanomyces bruxellensis. The nutritional content and qualitative properties of the tea waste-based Kombucha beverage were also suitable for human consumption.
JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE
(2023)
Article
Environmental Sciences
Alisha Zaffar, Nageshwari Krishnamoorthy, Nahaarjun Nagaraj, Sivaraman Jayaraman, Balasubramanian Paramasivan
Summary: Phosphorus recovery is essential due to the depletion of natural reserves and excessive usage in agriculture. This study optimized the production of struvite, a slow-releasing fertilizer, through an electrocoagulation technique to maximize phosphate recovery. The results showed that a maximum of 95% phosphate recovery was achieved within 30 minutes using specific electrode distance, current, and undiluted urine.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Green & Sustainable Science & Technology
Krishnamoorthy Nageshwari, Vimaladhasan Senthamizhan, Paramasivan Balasubramanian
Summary: This study predicts the recovery of struvite from wastewater using machine learning algorithms. By collecting data on multiple process parameters and optimizing the model, the researchers found that eXtreme Gradient Boosting (XGB) regression model is the most reliable method for predicting nutrient recovery. SHapley Additive exPlanations (SHAP) plots were used to analyze the influence of each parameter on the recovery.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2022)
Article
Biotechnology & Applied Microbiology
Nageshwari Krishnamoorthy, Abhijeet Pathy, Aastha Kapoor, Balasubramanian Paramasivan
Summary: This paper is a scientometric research on microalgal biochar conducted between 2009 and 2021, using CiteSpace 5.8.R1. China, USA, and India are the leading contributors to this field with government research grants promoting this discipline. The research on microalgal biochar has increased in the last decade, focusing on production techniques, process optimization, and applications in medical and energy sectors.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2023)
Article
Biotechnology & Applied Microbiology
Aastha Kapoor, Nageshwari Krishnamoorthy, Abhijeet Pathy, Paramasivan Balasubramanian
Summary: This study used chemometric tools, such as Principal Component Analysis (PCA) and Multidimensional scaling (MDS), to investigate the key influencing factors on algal biochar production from 115 datasets with 16 variables. The results of PCA and MDS identified the pyrolysis parameters, C(%), H(%), O(%), N(%), H/C, N/C, O/C, as the main determining factors of algal biochar yield. The study also found that high algal char yields are associated with a low temperature, shorter residence time, and moderate heating rate. The results suggest that algal biochar production is a complex process dependent on the interaction of multiple variables rather than a single major factor.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2023)
Article
Engineering, Chemical
P. Durgawati, P. Balasubramanian, Parag Prakash Sutar
Summary: In this study, a new method called non-water Infrared Refractance Window drying (IR-RWD) was developed for drying Malabar spinach. The vacuum steam pulsed blanching (VSPB) method was used to pretreat the spinach. The results showed that VSPB effectively inactivated POD and PPO activities, and the optimum drying conditions were determined.
Article
Energy & Fuels
Prabakaran Ganeshan, V. S. Vigneswaran, Sarath C. Gowd, Dhamodharan Kondusamy, C. Sanjay Kumar, Nageshwari Krishnamoorthy, Deepak Kumar, Ankita Juneja, Balasubramanian Paramasivan, Nithin N. Raju, Karthik Rajendran, Arivalagan Pugazhendhi
Summary: Hydrogen is considered as the fuel of the future due to its high energy density and zero-carbon emission potential. Techno-economic analysis (TEA) and life cycle analysis (LCA) of various bio-hydrogen generation processes can help identify cost-effective and low-carbon methods, attracting investors and overcoming barriers to hydrogen integration in the energy market. Gasification was found to be the most economical method for bio-hydrogen production, followed by anaerobic digestion. The gasification of eucalyptus wood was found to have the least carbon footprint.
Article
Environmental Sciences
Abhijeet Pathy, Prem Pokharel, Xinli Chen, Paramasivan Balasubramanian, Scott X. Chang
Summary: Adsorption of heavy metals on the surface of biochar has shown promise in remediating contaminated soil and water. Through a meta-analysis, this study found that pre-pyrolysis activation with metal salts/oxides is the most effective method for enhancing biochar's adsorption and removal of heavy metals.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Biotechnology & Applied Microbiology
Ajinkya Hariram Dabhade, Ravi Prakash Verma, Balasubramanian Paramasivan, Adhidesh Kumawat, Biswajit Saha
Summary: A simple, rapid, and sensitive electrochemical biosensor based on a screen-printed carbon electrode was developed for onsite detection of E. coli. The effect of aptamer conjugation and PBS buffer solution on the colloidal stability of AgNPs was analyzed. The biosensor showed good sensitivity with a limit of detection of 150 CFU/ml and selectivity for E. coli compared to other bacteria. It also exhibited good reproducibility, stability, and high recoveries during sensitivity validation.
Article
Engineering, Environmental
Roshini Sasidharan, Arvind Kumar, Balasubramanian Paramasivan, Abanti Sahoo
Summary: This study analyzed the prospects of combining photocatalysis and anaerobic digestion of dairy wastewater using a nano-catalyst made of reduced graphene oxide (RGO) and nano-zerovalent iron (NZVI). The results show that the combination of RGO-NZVI catalyst effectively treated and degraded dairy wastewater, achieving significant removal of organic pollutants.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Article
Energy & Fuels
Krishnamoorthy Nageshwari, Abhijeet Pathy, Arivalagan Pugazhendhi, Paramasivan Balasubramanian
Summary: Drastic climatic changes and health hazards caused by combustion of fossil fuels have prompted the search for sustainable and economical fuel alternatives. Hydrogen gas is a versatile energy carrier with promising potential to replace fossil fuels, as it does not produce greenhouse gases or other pollutants. Algae, with their fast growth rate, ability to thrive in different environments, and capability to produce hydrogen through photosynthesis, are considered a potential feedstock for hydrogen production. However, current algae-based hydrogen production rates are low, and strategies to improve them are needed. This review aims to explore and evaluate different strategies to enhance biohydrogen production using algae, highlighting the prospects of using macro and microalgae as feedstocks and providing insights on current technologies and challenges. By discussing various strategies, valuable information for the development of affordable and sustainable hydrogen production methods can be obtained.
Article
Multidisciplinary Sciences
Pengyan Zhang, Chong Liu, Dongqing Lao, Xuan Cuong Nguyen, Balasubramanian Paramasivan, Xiaoyan Qian, Adejumoke Abosede Inyinbor, Xuefei Hu, Yongjun You, Fayong Li
Summary: This study aimed to develop a predictive model for tetracycline (TC) adsorption onto biochar (BC) using machine learning techniques. Four machine learning algorithms were used to model the adsorption of TC on BC using experimental data. The RF model had the highest predictive accuracy compared to other models. Factors such as specific surface area and particle size of BC were found to affect TC adsorption efficiency. The TC-to-BC ratio and concentration gradient were identified as influential factors. The developed predictive model can facilitate the selection of BC for TC wastewater treatment.
SCIENTIFIC REPORTS
(2023)
Article
Engineering, Environmental
Roshini Sasidharan, Arvind Kumar, Balasubramanian Paramasivan, Abanti Sahoo
Summary: Efficient waste management and alternatives for waste reduction are crucial for achieving sustainable development goals. This study focused on improving electron transport and CH4 enrichment in anaerobic digestion by adding reduced graphene oxide-nano zerovalent iron (RGO-NZVI) composite to dairy wastewater. The addition of RGO-NZVI resulted in high CH4 content and improved COD removal. The optimal ratio of RGO-NZVI was found to be 2:1 for maximum CH4 generation, and higher concentrations of the conductive additive were detrimental to microbial metabolism.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Green & Sustainable Science & Technology
Lars odegaard Bentsen, Narada Dilp Warakagoda, Roy Stenbro, Paal Engelstad
Summary: This study investigates uncertainty modeling in wind power forecasting using different parametric and non-parametric methods. Johnson's SU distribution is found to outperform Gaussian distributions in predicting wind power. This research contributes to the literature by introducing Johnson's SU distribution as a candidate for probabilistic wind forecasting.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Xing Liu, Qiuchen Wang, Yunhao Wen, Long Li, Xinfang Zhang, Yi Wang
Summary: This study analyzes the characteristics of process parameters in three lean gas ethane recovery processes and establishes a prediction and multiobjective optimization model for ethane recovery and system energy consumption. A new method for comparing ethane recovery processes for lean gas is proposed, and the addition of extra coolers improves the ethane recovery. The support vector regression model based on grey wolf optimization demonstrates the highest prediction accuracy, and the multiobjective multiverse optimization algorithm shows the best optimization performance and diversity in the solutions.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Cairong Song, Haidong Yang, Xian-Bing Meng, Pan Yang, Jianyang Cai, Hao Bao, Kangkang Xu
Summary: The paper proposes a novel deep learning-based prediction framework, aTCN-LSTM, for accurate cooling load predictions. The framework utilizes a gate-controlled multi-head temporal convolutional network and a sparse probabilistic self-attention mechanism with a bidirectional long short-term memory network to capture both temporal and long-term dependencies in the cooling load sequences. Experimental results demonstrate the effectiveness and superiority of the proposed method, which can serve as an effective guide for HVAC chiller scheduling and demand management initiatives.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Zhe Chen, Xiaojing Li, Xianli Xia, Jizhou Zhang
Summary: This study uses survey data from the Loess Plateau in China to evaluate the impact of social interaction on the adoption of soil and water conservation (SWC) technology by farmers. The study finds that social interaction increases the likelihood of farmers adopting SWC, and internet use moderates this effect. The positive impact of social interaction on SWC adoption is more pronounced for farmers in larger villages and those who join cooperative societies.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Chenghua Zhang, Yunfei Yan, Kaiming Shen, Zongguo Xue, Jingxiang You, Yonghong Wu, Ziqiang He
Summary: This paper reports a novel method that significantly improves combustion performance, including heat transfer enhancement under steady-state conditions and adaptive stable flame regulation under velocity sudden increase.
JOURNAL OF CLEANER PRODUCTION
(2024)
