Bioresource Technology Reports最新文献_第5页

Study of pigment profile and antioxidant dynamics in stress-induced microalgae using integrated graphical and scoring techniques 利用综合图形和评分技术研究应激诱导微藻的色素分布和抗氧化动态

Bioresource Technology Reports Pub Date : 2026-02-01 Epub Date: 2026-01-12 DOI: 10.1016/j.biteb.2026.102562

Sayan Roy , Supratim Ghosh , Shantonu Roy

{"title":"Study of pigment profile and antioxidant dynamics in stress-induced microalgae using integrated graphical and scoring techniques","authors":"Sayan Roy , Supratim Ghosh , Shantonu Roy","doi":"10.1016/j.biteb.2026.102562","DOIUrl":"10.1016/j.biteb.2026.102562","url":null,"abstract":"<div><div>In the present study, a two-stage cultivation strategy using <em>Micractinium</em> sp. was developed, wherein Stage 1 (pre-stress cultivation) integrated NPK (20:20:20) fertilizer (nitrogen, phosphorous, potassium) glycerol supplementation, and red-light illumination, yielding a maximum biomass concentration of 3.53 g L<sup>−1</sup> and biomass productivity of 0.48 g L<sup>−1</sup> d<sup>−1</sup>. Upon transition to Stage 2 (BHT (butylated hydroxytoluene-induced oxidative stress), a reduction of biomass concentration (2.09 g L<sup>−1</sup>) and biomass productivity (0.30 g L<sup>−1</sup> d<sup>−1</sup>) was observed. During Stage 2, the lipid content reached 39.45% <em>w</em>/w, while the concentrations of astaxanthin and β-carotene exhibited marked enhancements of 4.54-fold and 2.16-fold, respectively, compared to Stage 1. High-resolution mass spectrometry (HR-MS) confirmed primary pigments, ensuring accurate pigment profiling. A novel multivariate analysis coupled with Chernoff face visualization was used to understand antioxidant dynamics, revealing distinct metabolic responses under stress conditions. The highest global antioxidant score (5.27) was achieved under NPK+ glycerol + BHT + red-light treatment, emphasizing the synergistic impact of carbon source, oxidative stress, and light modulation. This study uniquely integrates strategic cultivation with advanced multivariate profiling, maximizing microalgal bioresource potential for nutraceuticals and antioxidants.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"33 ","pages":"Article 102562"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145972860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Development of a two-stage nature-based system for efficient Naphthol Blue Black dye removal 基于自然的两级高效萘酚蓝黑染料脱除系统的开发

Bioresource Technology Reports Pub Date : 2026-02-01 Epub Date: 2026-01-14 DOI: 10.1016/j.biteb.2026.102566

Monali Muduli , Rohan Vitthalbhai Bambhaniya , Niranjan Mishra , Sanak Ray

{"title":"Development of a two-stage nature-based system for efficient Naphthol Blue Black dye removal","authors":"Monali Muduli , Rohan Vitthalbhai Bambhaniya , Niranjan Mishra , Sanak Ray","doi":"10.1016/j.biteb.2026.102566","DOIUrl":"10.1016/j.biteb.2026.102566","url":null,"abstract":"<div><div>The textile industry is generating a large volume of dye-laden wastewater, among which, Naphthol Blue Black (NBB) is one of the most toxic and recalcitrant dyes. In this study, a two-stage nature-based system (NBS), comprising a <em>Cynodon dactylon</em>-based horizontal flow constructed wetland (HFCW), followed by a <em>Spirodela polyrhiza</em> duckweed pond, was studied to achieve sustainable NBB dye removal from textile wastewater. The system was assessed using influent dye concentrations ranging from 25 to 200 mg/L, and treatment performance was evaluated in terms of dye, chemical oxygen demand (COD), and nutrient removal (NH₄<sup>+</sup>–N, NO₂<sup>−</sup>–N, NO₃<sup>−</sup>–N, and PO₄<sup>3−</sup>–P). The maximum removal efficiencies for dye and COD were 91.34% and 49.22%, respectively, at 25 mg/L influent concentration, decreasing to 53.59% and 25.13% at 200 mg/L, indicating reduced system tolerance at higher pollutant loading. Nutrient removal was substantial with NH₄<sup>+</sup>–N and PO₄<sup>3−</sup>–P reductions ranging from 65 to 94% and 65–74%, respectively. ANOVA results (<em>p</em> < 0.05) confirmed a statistically significant difference between the control and CW systems. The planted HFCW contributed predominantly to pollutant removal, while the duckweed pond provided a minor polishing effect. Overall, the proposed two-stage NBS offers a low-cost, sustainable, and decentralized solution for NBB-laden textile wastewaters.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"33 ","pages":"Article 102566"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145972859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Role of hexa-aquo copper complex in microwave-assisted catalytic conversion of pine needles to glucose and 5-hydroxymethylfurfural in the presence of protic ionic liquid: Experimental and kinetic study 在质子离子液体存在下，六水铜配合物在松针微波催化转化为葡萄糖和5-羟甲基糠醛中的作用：实验和动力学研究

Bioresource Technology Reports Pub Date : 2026-02-01 Epub Date: 2026-01-05 DOI: 10.1016/j.biteb.2025.102530

Subhrajit Roy, Bhakti Godbole, Prakash Biswas

{"title":"Role of hexa-aquo copper complex in microwave-assisted catalytic conversion of pine needles to glucose and 5-hydroxymethylfurfural in the presence of protic ionic liquid: Experimental and kinetic study","authors":"Subhrajit Roy, Bhakti Godbole, Prakash Biswas","doi":"10.1016/j.biteb.2025.102530","DOIUrl":"10.1016/j.biteb.2025.102530","url":null,"abstract":"<div><div>This study investigated the role of the hexaaquo complex ([Cu(H<sub>2</sub>O)<sub>6</sub>]<sup>2+</sup>) in the microwave-assisted conversion of lignocellulosic pine needles (<em>Pinus roxburghii</em>) to 5-hydroxymethylfurfural (HMF) using triethylammonium hydrogen sulfate as a protic ionic liquid (PIL). In the reaction medium, cellulose was hydrolyzed into monomeric sugars, such as glucose and fructose, in the presence of PIL–water and copper chloride catalysts. The polar [Cu(H<sub>2</sub>O)<sub>6</sub>]<sup>2+</sup> complex interacted with cellulose, facilitating bond cleavage and subsequent dehydration reactions. Under microwave irradiation, in the presence of CuCl<sub>2</sub> catalyst in the ionic liquid medium, glucose dehydrated to HMF via the elimination of water molecules. Acid hydrolysis, facilitated by the formation of in-situ HCl in the PIL, helped to break the β-1,4-glycosidic bonds in cellulose. Additionally, the presence of free chloride ions in the PIL–CuCl<sub>2</sub> system enhanced glucose-to-fructose isomerization, a key reaction step in maximizing HMF yield. A comparatively moderate HMF yield of 16 % was achieved under these conditions, while the absence of free chloride ions led to a lower yield (∼1.8 %), highlighting the regulatory role of chloride ion availability. The study emphasized the dual catalytic role of the [Cu(H<sub>2</sub>O)<sub>6</sub>]<sup>2+</sup> complex in both hydrolysis and dehydration pathways. A detailed kinetic modelling study was conducted to evaluate rate constants and activation energies, providing insights into the influence of the [Cu(H<sub>2</sub>O)<sub>6</sub>]<sup>2+</sup> complex and microwave energy on reaction efficiency and selectivity.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"33 ","pages":"Article 102530"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145972855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effective simultaneous production of yeast oil and β-carotene from biodiesel-based crude glycerol in a cell-recycled continuous fermentation system producing bio-polyurethane and encapsulated β-carotene 生物柴油基粗甘油在细胞循环连续发酵系统中有效同时生产酵母油和β-胡萝卜素，生产生物聚氨酯和包封β-胡萝卜素

Bioresource Technology Reports Pub Date : 2026-02-01 Epub Date: 2026-01-07 DOI: 10.1016/j.biteb.2026.102556

Sasitorn Khuntong , Parichat Koedprasong , Pensri Plangklang , Thidarat Samranrit , Witsanu Srila , Surachai Techaoei , Apinan Wanlapa , Kanungnid Busarakam , Atsadawut Areesirisuk

{"title":"Effective simultaneous production of yeast oil and β-carotene from biodiesel-based crude glycerol in a cell-recycled continuous fermentation system producing bio-polyurethane and encapsulated β-carotene","authors":"Sasitorn Khuntong , Parichat Koedprasong , Pensri Plangklang , Thidarat Samranrit , Witsanu Srila , Surachai Techaoei , Apinan Wanlapa , Kanungnid Busarakam , Atsadawut Areesirisuk","doi":"10.1016/j.biteb.2026.102556","DOIUrl":"10.1016/j.biteb.2026.102556","url":null,"abstract":"<div><div>The rising demand for high-value products has sparked interest in producing microbial oils and β-carotene. Simultaneously, advances in microbial processing have accelerated the utilization of alternative renewable resources. Biodiesel-based crude glycerol (BCG) has been valorized through yeast cultivation for bio-polyurethane (BPU) and β-carotene synthesis. Under continuous fermentation, the highest glycerol consumption, biomass, yeast oil (YO), and carotene production were achieved at <em>a dilution rate of</em> 0.005 h<sup>−1</sup>. The cell-recycled continuous fermentation (CR-CF) strategy enhanced the volumetric productivity of yeast biomass (<em>Q</em><sub>X</sub>; 0.056 g/L·h), oil (<em>Q</em><sub>YO</sub>; 0.033 g/L·h), and β-carotene (<em>Q</em><sub>C</sub>; 0.207 mg/L·h) by 1.81-, 2.36-, and 1.07-fold, respectively compared to conventional CF, with 76.6% glycerol consumption efficiency. YO was successfully converted to semi-rigid BPU, with a density of 0.98 g/cm<sup>3</sup> and 47.60% water absorption. β-Carotene extract encapsulated by spray drying with gum Arabic and maltodextrin provided high solubility, photostability, and antimicrobial activity. These results demonstrated that BCG was an effective and sustainable alternative feedstock for co-producing valuable microbial products. The CR-CF system showed promise for improving production efficiency. Additionally, the value upgrading strategy of YO and β-carotene was an attractive process for environmentally friendly and sustainable biological product formation.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"33 ","pages":"Article 102556"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145972926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Emissions and performance analysis of a variable compression ratio engine fueled with safflower oil methyl ester-diesel blends 以红花油甲酯-柴油混合物为燃料的变压缩比发动机的排放和性能分析

Bioresource Technology Reports Pub Date : 2026-02-01 Epub Date: 2026-01-16 DOI: 10.1016/j.biteb.2026.102568

Rachan Karmakar , Nitin Kumar , Adhirath Mandal , Dowan Cha , Debasis Mitra , S.S. Ragit

{"title":"Emissions and performance analysis of a variable compression ratio engine fueled with safflower oil methyl ester-diesel blends","authors":"Rachan Karmakar , Nitin Kumar , Adhirath Mandal , Dowan Cha , Debasis Mitra , S.S. Ragit","doi":"10.1016/j.biteb.2026.102568","DOIUrl":"10.1016/j.biteb.2026.102568","url":null,"abstract":"<div><div>Bio-originated energy resources have the potential to meet global energy requirement to a great extent if it can be made economically viable as well as sustainable ways. In spite of the fact that these biofuels are very promising, an examination of their performance in the existing engines is highly desirable. The present research was executed to quantify the greenhouse gas (GHG) discharge as well as combustion patterns of a Variable Compression Ratio (VCR) engine operated with produced safflower biodiesel blends. Biodiesel blends of 10%, 20%, and 30% safflower biodiesel and petroleum based diesel were studied with varying engine loads up to 100%. It was found that the average brake power was 1.82%, 3.08%, and 4.91% for the Safflower Oil Biodiesel blends SOB10, SOB20, and SOB30, respectively. In all instances observed, there was a noticeable reduction in brake-specific fuel consumption as the load on the engine surged. This trend indicates that as the engine experiences higher loads, the fuel consumption required per unit of generated brake power diminishes. Such a reduction in Break Specific Fuel Consumption (BSFC) with a greater load is consistent across the tested conditions, suggesting improved fuel efficiency at higher operating loads. It was observed that the release of Carbon Monoxide (CO) as well as unburnt-hydrocarbons (HC) decreased with the escalation of safflower-oil-biodiesel in the blend of the same with petroleum-based diesel, whereas the Oxides of Nitrogen (NO<sub>x</sub>), Exhaust Gas Temperature, and combustion characteristics of safflower biodiesel blends were close to each other and better than standard petroleum-based diesel.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"33 ","pages":"Article 102568"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145973013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Renewable methane production from marine microalgal biomass via Methanosarcina mazei Gö1: Optimization and genomic insights 通过Methanosarcina mazei Gö1从海洋微藻生物质中生产可再生甲烷：优化和基因组见解

Bioresource Technology Reports Pub Date : 2026-02-01 Epub Date: 2025-12-16 DOI: 10.1016/j.biteb.2025.102487

S. Dhayanithi, P. Chellapandi

{"title":"Renewable methane production from marine microalgal biomass via Methanosarcina mazei Gö1: Optimization and genomic insights","authors":"S. Dhayanithi, P. Chellapandi","doi":"10.1016/j.biteb.2025.102487","DOIUrl":"10.1016/j.biteb.2025.102487","url":null,"abstract":"<div><div>Seawater is an abundant and low-cost alternative to freshwater for producing biomethane. However, high salinity often inhibits conventional methanogens, restricting their use in coastal systems. This study investigated <em>Methanosarcina mazei</em> Gö1 as a halotolerant, metabolically versatile methanogen for seawater-based methane production from marine microalgal biomass and methylated substrates under defined culture conditions. Natural seawater, artificial seawater, and algal-spent seawater were compared using conventional (H₂/CO₂, CO, acetate, and methanol) and unconventional methylated or sulfur-linked substrates. Response surface methodology and Random Forest regression identified pH 7.4–7.6 and 35 ppt salinity as optimal for methane formation. Under these conditions, <em>Amphora subtropica</em> biomass yielded 64.6 μmol CH₄ L<sup>−1</sup>, equivalent to 21.8 mL CH₄ g<sup>−1</sup> VS, providing a conservative benchmark for a single halotolerant methanogen in seawater. Compositional analysis of <em>A. subtropica</em> (43.8 % carbohydrates, 28.5 % proteins, C/N ≈ 9.4) confirmed its suitability as a fermentable substrate. Genome reconstruction revealed complete hydrogenotrophic, acetoclastic, methylotrophic, and sulfur-linked modules, along with osmoprotective transport systems, supporting the active conversion of dimethylsulfoxide, 3-methylmercaptopropionate, choline, and related organics. This study established a genome-supported foundation for freshwater-independent seawater-based biomethane production systems.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"33 ","pages":"Article 102487"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145922144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The shelf life of Mosaccha tempeh under different packaging conditions and storage temperatures 不同包装条件和贮存温度下摩萨茶豆豉的保质期

Bioresource Technology Reports Pub Date : 2026-02-01 Epub Date: 2026-01-05 DOI: 10.1016/j.biteb.2026.102547

Samsul Rizal , Maria Erna Kustyawati , Novita Herdiana , Dewi Sartika , Fairuzsita Naura Amalia Syifani , Honi Aisya , Dita Artha Ristiani , Ayu Dian Pratiwi Permatahati

{"title":"The shelf life of Mosaccha tempeh under different packaging conditions and storage temperatures","authors":"Samsul Rizal , Maria Erna Kustyawati , Novita Herdiana , Dewi Sartika , Fairuzsita Naura Amalia Syifani , Honi Aisya , Dita Artha Ristiani , Ayu Dian Pratiwi Permatahati","doi":"10.1016/j.biteb.2026.102547","DOIUrl":"10.1016/j.biteb.2026.102547","url":null,"abstract":"<div><div>Mosaccha tempeh is a soybean-based fermented product produced using a mixed-culture inoculum of <em>Rhizopus oligosporus</em> and <em>Saccharomyces cerevisiae</em>, which enhances its nutritional value and sensory properties compared with conventional fermentation. Despite these benefits, its shelf life remains limited due to rapid microbial activity at ambient temperatures. This study evaluated the effects of vacuum and non-vacuum packaging under room and cold storage conditions on the quality and shelf life of Mosaccha tempeh. Tempeh was stored for four days at room temperature and seven days under refrigeration, with daily measurements of water content, hardness, soluble protein, and sensory attributes. Data were analyzed using ANOVA followed by the Honest Significant Difference (HSD) test at the 5 % significance level. Under room-temperature storage, non-vacuum packaging maintained acceptable sensory quality for up to two days, with corresponding values of 65.37 % water content, 45.80 % soluble protein, and 580.08 gf hardness, and the product remained consumable through day three. Under cold storage, vacuum packaging preserved quality more effectively, maintaining sensory acceptability for up to four days, supported by 61.52 % water content, 41.82 % soluble protein, and 469.25 gf hardness, with acceptability extending to day six. These findings provide practical guidance for producers of Mosaccha tempeh in selecting suitable packaging and storage conditions and for consumers to maximize product quality and shelf life. Overall, this study demonstrates that Mosaccha tempeh is a viable alternative fermented product with competitive shelf-life characteristics, supporting its potential for wider distribution and value-added applications.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"33 ","pages":"Article 102547"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145922147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Recovery of dissolved organic matter using a foam fractionator from a microalgae photobioreactor for the green synthesis of silver nanoparticles 用泡沫分馏器回收微藻光生物反应器中溶解的有机物，用于绿色合成纳米银

Bioresource Technology Reports Pub Date : 2026-02-01 Epub Date: 2026-01-15 DOI: 10.1016/j.biteb.2026.102572

Andressa Coimbra Pereira , Robson Matheus Marreiro Gomes , Juan Rafael Buitrago Ramírez , Alan Carvalho de Sousa Araujo , Cynthia Couto , Bruno Galler Kubelka , Fabiano Thompson , Cristiane Thompson , Daniela Fernandes Ramos , Fabio Roselet , José María Monserrat

{"title":"Recovery of dissolved organic matter using a foam fractionator from a microalgae photobioreactor for the green synthesis of silver nanoparticles","authors":"Andressa Coimbra Pereira , Robson Matheus Marreiro Gomes , Juan Rafael Buitrago Ramírez , Alan Carvalho de Sousa Araujo , Cynthia Couto , Bruno Galler Kubelka , Fabiano Thompson , Cristiane Thompson , Daniela Fernandes Ramos , Fabio Roselet , José María Monserrat","doi":"10.1016/j.biteb.2026.102572","DOIUrl":"10.1016/j.biteb.2026.102572","url":null,"abstract":"<div><div>The need for environmentally friendly methods for silver nanoparticles (AgNPs) synthesis has prompted the exploration of microalgae as green alternatives. In this study, AgNPs were synthesized using dissolved organic matter (DOM) collected from a <em>Nannochloropsis oceanica</em> photobioreactor using a foam fractionator. DOM was employed as a reducing agent and synthesis stabilizer, and AgNPs generation was analyzed using UV–Vis absorbance spectra. Additionally, DOM was subjected to metagenomic analysis (identifying mostly <em>Erythrobacter</em> sp. and <em>Oceanicaulis</em> sp.), antioxidant activity (DPPH and ABTS), and polyphenol content measurement. AgNPs were characterized by Transmission Electron Microscopy (TEM) (27.55 nm), hydrodynamic diameter (263.87 nm), polydispersion index (0.178), and zeta potential (−20.41 mV) using a Litesizer instrument. Fourier-transform Infrared (FT-IR) spectroscopy was employed to evaluate both AgNPs and DOM. Antimicrobial activity (9.99 μg/ml) of AgNPs was performed against <em>Acinetobacter baumannii</em>, <em>Pseudomonas aeruginosa,</em> and <em>Staphylococcus aureus</em>, and antibiofilm analysis (ranged between 33 and 37% of inhibition and 17–19% for destruction) against <em>A. baumannii</em>. These findings indicate that DOM collected via a foam fractionator from a <em>N. oceanica</em> photobioreactor can successfully synthesize AgNPs with microbiological applications.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"33 ","pages":"Article 102572"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146034476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Earthworms as an alternative protein source for human consumption: Nutritional value, sustainability, processing, and safety considerations—A systematic review 蚯蚓作为人类食用的替代蛋白质来源：营养价值，可持续性，加工和安全考虑-系统综述

Bioresource Technology Reports Pub Date : 2026-02-01 Epub Date: 2025-12-18 DOI: 10.1016/j.biteb.2025.102494

Liciane Oliveira da Rosa , Samuel Machado Abreu , Álvaro Renato Guerra Dias

{"title":"Earthworms as an alternative protein source for human consumption: Nutritional value, sustainability, processing, and safety considerations—A systematic review","authors":"Liciane Oliveira da Rosa , Samuel Machado Abreu , Álvaro Renato Guerra Dias","doi":"10.1016/j.biteb.2025.102494","DOIUrl":"10.1016/j.biteb.2025.102494","url":null,"abstract":"<div><div>Earthworms stand out as a sustainable protein alternative amid growing environmental pressures and population increases. This 25-year systematic review of 43 studies reveals a post-2015 surge in research, mainly from Europe, South America, and Asia. The most studied species, <em>Eisenia fetida</em>, <em>Eudrilus eugeniae</em>, and <em>Eisenia andrei</em>, are valued for nutritional quality and ease of cultivation. Earthworms provide 50–70 % crude protein (dry basis), key amino acids, unsaturated fats, minerals, and vitamins, and can be processed into flour for foods like bread or supplements. Their efficient, low-cost rearing reduces water use, land use, and emissions, contributing to the circular economy by recycling organic waste. While human consumption is traditional in parts of Asia, Africa, and South America, cultural and regulatory challenges elsewhere require communication and technological innovations. Standardizing management, ensuring safety, and addressing consumer acceptance are significant challenges, with research gaps in digestibility and nutrient bioavailability. In summary, earthworms are a significant, sustainable, and nutritious protein source with high potential to support resilient food systems when backed by integrated safety, quality, and acceptance strategies.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"33 ","pages":"Article 102494"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145837807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The CO2 gradient adaptive laboratory evolution of a self-flocculating Desertifilum sp. in wastewater for nutrient removal and phycocyanin production 自絮凝荒漠菌在废水中去除营养物和生产藻蓝蛋白的CO2梯度适应性实验室进化

Bioresource Technology Reports Pub Date : 2026-02-01 Epub Date: 2025-12-23 DOI: 10.1016/j.biteb.2025.102498

Wanqing Ding , Wenbiao Jin , Xu Zhou , Dan Kang , Tong Li , Yixiang Miao , Xuan Li

{"title":"The CO2 gradient adaptive laboratory evolution of a self-flocculating Desertifilum sp. in wastewater for nutrient removal and phycocyanin production","authors":"Wanqing Ding , Wenbiao Jin , Xu Zhou , Dan Kang , Tong Li , Yixiang Miao , Xuan Li","doi":"10.1016/j.biteb.2025.102498","DOIUrl":"10.1016/j.biteb.2025.102498","url":null,"abstract":"<div><div>This study first reported a newly self-flocculating cyanobacteria <em>Desertifilum</em> sp. for nutrient removal, photosynthetic carbon fixation, and phycocyanin production in municipal wastewater and 15 % CO<sub>2</sub> through CO<sub>2</sub> gradient adaptive laboratory evolution (ALE). The performance of the starting strain AS was evaluated at different levels of CO<sub>2</sub>, and results showed the strain could tolerate 5 % CO<sub>2</sub>. The strain was subsequently domesticated using ALE over eight rounds, with the CO₂ concentration progressively increased from 8 % to 15 %. This procedure resulted in the domesticated strain 15SR5, which exhibited high CO<sub>2</sub> tolerance. The biomass and carbon fixation rate reached 2.175 g/L and 0.975 g/L/d, and the removal of TN and TP reached 80.60 % and 89.03 %, respectively, within 4 days. The ALE process did not affect the strain's good sedimentation and phycocyanin production. The domesticated strain 15SR5 exhibited enhanced photosynthetic activities and antioxidant properties compared to the starting strain AS. This study contributes to a novel cyanobacterial candidate for nitrogen and phosphorus removal and phycocyanin production, supporting the industrial applications of microalgae or cyanobacteria in wastewater treatment.</div></div>","PeriodicalId":8947,"journal":{"name":"Bioresource Technology Reports","volume":"33 ","pages":"Article 102498"},"PeriodicalIF":0.0,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145837892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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