Fermenting foods can make poorly digested, reactive foods into health giving foods. The process of fermentation destroys many of the harmful microorganisms and chemicals in foods and adds beneficial bacteria. These bacteria produce new enzymes to assist in the digestion. Foods that benefit from fermentation are soy products, dairy products, grains, and some vegetables. The beneficial effect of fermented food which contains probiotic organism consumption includes: improving intestinal tract health, enhancing the immune system, synthesizing and enhancing the bioavailability of nutrients, reducing symptoms of lactose intolerance, decreasing the prevalence of allergy in susceptible individuals, and reducing risk of certain cancers. This article provides an overview of the different starter cultures and health benefits of fermented food products, which can be derived by the consumers through their regular intake.Keywords: Fermentation; Fermented food; Starter cultures; Probiotics; Nutritional benefits.© 2014 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.doi: http://dx.doi.org/10.3329/jsr.v6i2.16530 J. Sci. Res. 6 (2), 373-386 (2014)

Starter

Lactose Intolerance

10.3329/jsr.v6i2.16530

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Benign separation, adsorption, and recovery of rare-earth Yb(III) ions with specific ligand-based composite adsorbent

Process Safety and Environmental Protection (2024)

Mohammed Sohrab Hossain Mohamed A. Shenashen Mrs Eti Awual Ariyan Islam Rehan Adiba Islam Rasee

This study developed a ligand-based composite adsorbent (ComA) for efficient Ytterbium (Yb(III)) adsorption and recovery from waste samples. The organic ligand of 1E,1`E,1``E,1```E (tetrakis(3-carboxysalicylidene)) naphthalene-1,2,5,5-tetramine (TSNT) was synthesized and TSTN was successfully immobilized onto mesoporous silica by a direct immobilization approach. The experiment conditions were optimized based on contact time, solution acidity, initial Pb(II) concentration pH value, and diverse metal salt concentrations. The Europium (Eu(III)) ion was selected from the lanthanides (Ln(III)) series for green and robust adsorption and recovery based on the adsorption, complexation, and selectivity tendency from the standpoint of the pH-dependent factor. The chemical compound of TSTN consisted of O- and N-donor atoms and was able to make stable complexation with Ln(III) ions in optimum conditions due to the open functionality of the ComA. The experimental data revealed that the maximum Yb(III) adsorption was possible at pH 5.0. The presence of other cations and anions did not adversely affect the Yb(III) capturing by the adsorbent. The bonding mechanism suggested that O- and N-donor atoms of TSTN were strongly coordinated to Eu(III) with a 2:1 ratio complexation. The maximum adsorption capacity was determined to be as high as 149.27 mg/g. The extraction of Yb(III) ions from the saturated adsorbent was possible with 0.25 M HNO3. The regenerated adsorbent that remained maintained the high selectivity to Yb(III) ions and exhibited almost the same adsorption capacity as that of the original adsorbent. However, the adsorption efficiency slightly decreased after several cycles. Therefore, the proposed adsorbent offered a cost-effective material and may be considered a viable alternative for effective adsorption and recovery of Yb(III) ions from water samples.

10.1016/j.psep.2024.03.026

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Accelerating the green hydrogen revolution: A comprehensive analysis of technological advancements and policy interventions

International Journal of Hydrogen Energy (2024)

Aminul Islam Tarekul Islam Hasan Mahmud Md. Obayed Raihan Md. Shahinoor Islam

Promoting green hydrogen has emerged as a pivotal discourse in the contemporary energy landscape, driven by pressing environmental concerns and the quest for sustainable energy solutions. This paper delves into the multifaceted domain of C-Suite issues about green hydrogen, encompassing both technological advancements and policy considerations. The question of whether green hydrogen is poised to become the focal point of the upcoming energy race is explored through an extensive analysis of its potential as a clean and versatile energy carrier. The transition from conventional fossil fuels to green hydrogen is considered a fundamental shift in energy paradigms, with far-reaching implications for global energy markets. The paper provides a comprehensive overview of state-of-the-art green hydrogen technologies, including fuel cells, photocatalysts, photo electrocatalysts, and hydrogen panels. In tandem with technological advancements, the role of policy and strategy in fostering the development of green hydrogen energy assumes paramount significance. The paper elucidates the critical interplay between government policies, market dynamics, and corporate strategies in shaping the green hydrogen landscape. It delves into policy mechanisms such as subsidies, carbon pricing, and renewable energy mandates, shedding light on their potential to incentivize the production and adoption of green hydrogen. This paper offers a nuanced exploration of C-Suite issues surrounding green hydrogen, painting a comprehensive picture of the technological and policy considerations that underpin its emergence as a transformative energy source. As the global community grapples with the imperatives of climate change mitigation and the pursuit of sustainable energy solutions, understanding these issues becomes imperative for executives, policymakers, and stakeholders alike.

Hydrogen technologies

Energy carrier

Green Economy

10.1016/j.ijhydene.2024.04.142

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Enhanced toxic dye removal from wastewater using biodegradable polymeric natural adsorbent

Journal of Molecular Liquids (2021)

Khadiza Tul Kubra Md. Shad Salman Md. Nazmul Hasan

Cationic polymerization

Methylene blue

Methyl blue