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Journal articles on the topic 'Bioconversion'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Restaino, Odile Francesca, Simona Barbuto Ferraiuolo, Addolorata Perna та ін. "Biotechnological Transformation of Hydrocortisone into 16α-Hydroxyprednisolone by Coupling Arthrobacter simplex and Streptomyces roseochromogenes". Molecules 25, № 21 (2020): 4912. http://dx.doi.org/10.3390/molecules25214912.

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16α-Hydroxyprednisolone, an anti-inflammatory drug, could be potentially obtained from hydrocortisone bioconversion by combining a 1,2-dehydrogenation reaction performed by Arthrobacter simplexATCC31652 with a 16α-hydroxylation reaction by Streptomyces roseochromogenes ATCC13400. In this study we tested, for the first time, potential approaches to couple the two reactions using similar pH and temperature conditions for hydrocortisone bioconversion by the two strains. The A. simplex capability to 1,2-dehydrogenate the 16α-hydroxyhydrocortisone, the product of S. roseochromogenes transformation

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Szentner, Kinga, Agnieszka Waśkiewicz, Robert Imbiorowicz, and Sławomir Borysiak. "The Effect of Polyethylene Glycol Addition on Improving the Bioconversion of Cellulose." Molecules 29, no. 23 (2024): 5785. https://doi.org/10.3390/molecules29235785.

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In recent years, many studies have focused on improving the bioconversion of cellulose by adding non-ionic surfactants. In our study, the effect of the addition of a polymer, polyethylene glycol (PEG 4000), on the bioconversion of different cellulose materials was evaluated, focusing on the hydrolysis efficiency and structural changes in pure cellulose after the enzymatic hydrolysis process. The obtained results showed that the addition of non-ionic surfactant significantly improved the digestibility of cellulosic materials. The highest hydrolysis efficiency was observed for Sigmacel 101 (Cel-

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3

Kennes, Christian. "Bioconversion Processes." Fermentation 4, no. 2 (2018): 21. http://dx.doi.org/10.3390/fermentation4020021.

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4

Saha, Badal C. "Hemicellulose bioconversion." Journal of Industrial Microbiology and Biotechnology 30, no. 5 (2003): 279–91. http://dx.doi.org/10.1007/s10295-003-0049-x.

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Yang, Haiyan, Yuanchen Zhu, Yan Jin, Fuhou Lei, Zhengjun Shi, and Jing Yang. "Pseudo-lignin retarded bioconversion of sugarcane bagasse holocellulose after liquid hot water and acid pretreatments." BioResources 16, no. 2 (2021): 4052–63. http://dx.doi.org/10.15376/biores.16.2.4052-4063.

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Pseudo-lignin derived from the condensation of carbohydrate degradation products can retard the bioconversion of lignocellulose. In this work, liquid hot water (150 to 190 °C) and 1% H2SO4 pretreatments (130 to 190 °C) were used on sugarcane bagasse holocellulose for 3 h to generate pseudo-lignin. The effects of pseudo-lignin generation on structural characteristics and bioconversion of substrates were evaluated. The results showed that the formation of pseudo-lignin increased the hydrophobicity of the substrates. After LHW pretreatments and acid pretreatments at low temperatures (<150 °C),

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Wea, Redempta, I. Gusti Komang Oka Wirawan, and Bernadete Barek Koten. "Kecernaan Nutrien pada Babi Lokal Periode Pertumbuhan yang Diberi Ransum Mengandung Biji Asam Biokonversi Spontan (NUTRIENTS DIGESTIBILITY IN GROWING LOCAL PIG FED WITH DIET COMPOSED OF SPONTENOUS BIOCONVERTED-TAMARIND SEED)." Jurnal Veteriner 18, no. 4 (2018): 610. http://dx.doi.org/10.19087/jveteriner.2017.18.4.610.

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A research aimed to evaluate nutrients digestibility in growing local male pig fed spontaneous bioconverted-tamarind seed has been done in animal feed technology laboratory of Kupang State Agricultural Polytechnic.The research used 25 local male grower pigs with body weight around 3-6 kg. The study used a randomized block design with five treatments, i.e. R0 = ration using tamarind seeds without bioconversion, R1 = ration using spontaneous bioconversion tamarinds for 24 hours, R2 = rations using spontaneous bioconversion tamarinds for 48 hours, R3 = rations using bioconversion tamarinds sponta

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Dubrovskis, Vilis. "FORCED ANAEROBIC BIOCONVERSION." Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference 1 (June 20, 2001): 17. http://dx.doi.org/10.17770/etr2001vol1.1926.

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Forced bioconversion of solid organic wastes as technology for Latvia conditions is presented. Every inhabitant produces 200~300kg solid wastes, about 0,6 mind per year in Latvia. Different technologies are used for utilisation of these wastes. The most popular are: landfilling, sorting and recycling, incineration, composting and anaerobic digestion for organic wastes. As new technology? in Latvia is forced bioconversion of municipal solid organic wastes. Approximately 250000 tons solid wastes per year are coming to landfill Getlini. 24% from them are usable for anaerobic digestion. Regulating

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8

Qi, Xinhua, Wenlong Yan, Zhibei Cao, Mingzhu Ding, and Yingjin Yuan. "Current Advances in the Biodegradation and Bioconversion of Polyethylene Terephthalate." Microorganisms 10, no. 1 (2021): 39. http://dx.doi.org/10.3390/microorganisms10010039.

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Polyethylene terephthalate (PET) is a widely used plastic that is polymerized by terephthalic acid (TPA) and ethylene glycol (EG). In recent years, PET biodegradation and bioconversion have become important in solving environmental plastic pollution. More and more PET hydrolases have been discovered and modified, which mainly act on and degrade the ester bond of PET. The monomers, TPA and EG, can be further utilized by microorganisms, entering the tricarboxylic acid cycle (TCA cycle) or being converted into high value chemicals, and finally realizing the biodegradation and bioconversion of PET

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Dewi Apriliani Putri, Yudi Chadirin, and Arief Sabdo Yuwono. "Food Waste Management Utilizing Black Soldier Fly Larvae." Emerging Science Innovation 2 (January 29, 2024): 26–35. http://dx.doi.org/10.46604/emsi.2023.12785.

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Food waste is a growing concern in developing countries. This study aims to implement food waste bioconversion by utilizing black solider fly larvae for two eateries' food waste. The bioconversion process used 0.5 g of black solider fly eggs for 14 days in the six bio ponds. After 14 days, the waste, larvae, and compost are separated using sieves to measure the larvae and compost production. The bioconversion process is evaluated based on bioconversion characteristics and black soldier fly larvae and compost produced. Waste Reduction Index, Fresh Matter Consumption Rate, Dry Matter Consumption

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Dubey, Kashyap Kumar, and Punit Kumar. "Understanding Process Variables and their Interactions for Maximizing Production of Artemisinin Derivative Artemether (Anti-Malarial Drug) Through Cunninghamella echinulata var elegans at 5 L Bioreactor Level." Current Bioactive Compounds 15, no. 4 (2019): 442–52. http://dx.doi.org/10.2174/1573407214666180720115505.

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Background: Malaria is one of the life threatening diseases which is caused by Plasmodium sp. of protozoa and uses Anopheles mosquitos as vector. Plasmodium vivax and Plasmodium falciparum are common form of malaria parasite. Artemisinin is reported for its antimalarial activities and Artemether which is a methyl ether derivative of Artemisinin, has been found effective against P. falciparum. Methods: In the present study, bioconversion of Artemisinin into Artemether was carried out experimentally and the statistical tools like experimental factorial design and Response Surface Methodology wer

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Kong, Gyu Bin, and Oh Hyeok Kwon. "Antioxidant Effects of Ponciri Fructus Bioconversion Extracts as Cosmetic Ingredients." Asian Journal of Beauty and Cosmetology 19, no. 3 (2021): 477–85. http://dx.doi.org/10.20402/ajbc.2021.0205.

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Purpose: This study was conducted to investigate the possible use of Ponciri fructus bioconversion extracts as cosmetic ingredients.Method: Total polyphenol, total flavonoid content, and antioxidant effects of Poncirus trifoliata through the ability of diphenylpicrylhydrazyl (DPPH) radical scavenging were used for antioxidant activity determination. The extracts of Poncirus trifoliata were analyzed using an ultraviolet–visible spectrophotometerResults: The total phenolic content was 62.5±4.19 gallic acid equivalent (GAE) mg/g in the case of alcohol extracts and 82.8±2.55 GAE mg/g for other bio

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Lamare, Véronique, and Roland Furstoss. "Bioconversion of sesquiterpenes." Tetrahedron 46, no. 12 (1990): 4109–32. http://dx.doi.org/10.1016/s0040-4020(01)86747-8.

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13

Saddler, J. N., and K. Mackie. "Bioconversion of lignocellulosics." Biomass 22, no. 1-4 (1990): 293–305. http://dx.doi.org/10.1016/0144-4565(90)90024-e.

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Sasamura, Satoshi, Keisuke Ohsumi, Shigehiro Takase, et al. "Bioconversion of AS1387392: bioconversion studies involving Amycolatopsis azurea JCM 3275." Journal of Antibiotics 63, no. 11 (2010): 643–47. http://dx.doi.org/10.1038/ja.2010.108.

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Park, Su Hyun, Yu Jeong Jeong, Sung-Chul Park та ін. "Highly Efficient Bioconversion of trans-Resveratrol to δ-Viniferin Using Conditioned Medium of Grapevine Callus Suspension Cultures". International Journal of Molecular Sciences 23, № 8 (2022): 4403. http://dx.doi.org/10.3390/ijms23084403.

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δ-Viniferin is a resveratrol dimer that possesses potent antioxidant properties and has attracted attention as an ingredient for cosmetic and nutraceutical products. Enzymatic bioconversion and plant callus and cell suspension cultures can be used to produce stilbenes such as resveratrol and viniferin. Here, δ-viniferin was produced by bioconversion from trans-resveratrol using conditioned medium (CM) of grapevine (Vitis labruscana) callus suspension cultures. The CM converted trans-resveratrol to δ-viniferin immediately after addition of hydrogen peroxide (H2O2). Peroxidase activity and bioco

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Surya Ningsih, Sri, Djoko Mulyo Hartono, and Astryd Viandila Dahlan. "Effect of black soldier fly (Hermetia Illucens) larvae bioconversion duration in processing household organic waste and market waste in Jakarta on the efficiency of the bioconversion process." E3S Web of Conferences 422 (2023): 01002. http://dx.doi.org/10.1051/e3sconf/202342201002.

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The organic waste issue in Jakarta must be immediately addressed because it can harm the environment. Jakarta produces organic waste reaching 45.43% of the total waste generation with organic waste reduction of effectiveness only 4,981 tonnes/year (+1%). One solution to process organic waste is to use black soldier fly (BSF) larvae as decomposers of organic matter. The research examined the effect of bioconversion time/duration for household and market waste in Jakarta on bioconversion efficiency. The research was carried out by opening biopon samples each containing 2 kg of organic waste whic

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Indriyani, Indriyani, Refi Arioen, Ari Beni Santoso, Zaenal Arifin, and Purnama Edy Santosa. "Improving the Chemical Quality of Compost from Bioconversion of Multi Types of Organic Waste Using Black Soldier Fly Larvae and EM-4." Jurnal Penelitian Pendidikan IPA 9, no. 4 (2023): 2068–74. http://dx.doi.org/10.29303/jppipa.v9i4.3442.

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Waste that is not handled properly will have a negative impact on the quality of the environment in society. Organic waste is the main problem that is often faced by Indonesian people. Waste management using the bioconversion method with the help of Black soldier Fly (BSF) larvae and EM-4 bioactivators can reduce waste capacity and benefit the community. This study aims to compare the ability of bioconversion agents and the quality of various types of organic waste used for bioconversion. This study used a factorial randomized block design with 2 factors. The first factor was a bioconversion a

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Suryadi, Suryadi, and Hardi Syafria. "Biokonversi Pelepah Daun Nipah Menggunakan Jamur Tiram Putih Ditinjau Dari Komposisi Kimia dan Kecernaan Serat." Jurnal Ilmiah Universitas Batanghari Jambi 19, no. 2 (2019): 447. http://dx.doi.org/10.33087/jiubj.v19i2.700.

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The study aims to determine the chemical composition and digestibility of midrib palm leaves from bioconversion results. Solid bioconversion using white oyster mushroom inoculum as a starter. This study used a completely randomized design (RAL) with 6 treatments and 3 replications. As a treatment the white oyster mushroom inoculum consisted of 6 levels, namely 0g (with inoculum), 5g, 10g, 15g, 20g and 25g kg-1 substrate. The variables measured are the chemical composition and digestibility of nipah leaf midrib fiber bioconversion products. The results showed that organic matter content, ADF di

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Martín, Carlos, and Eulogio Castro. "Special Issue “Pretreatment and Bioconversion of Crop Residues II”—Introduction to the Collection." Agronomy 14, no. 5 (2024): 962. http://dx.doi.org/10.3390/agronomy14050962.

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Bioconversion in biorefineries is a way to valorize residues from agriculture and food processing. Pretreatment is an important step in the bioconversion of lignocellulosic materials, including crop residues. This Special Issue includes nine articles on several pretreatment and bioconversion approaches applied to different agricultural residues and food-processing by-products. The materials addressed in this collection cover straw from wheat, rye, and miscanthus, olive tree pruning residue, almond shells and husks, avocado waste, sweet sorghum bagasse, soybean meal, and residues of non-edible

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Patil, Prachi, Rajesh Sharma, Tushar Banerjee, and Shridhar Patil. "SUBSTRATE CARRIERS FOR C-1(2)-DEHYDROGENATION OF 6-METHYLENE ANDROSTENEDIONE TO EXEMESTANE BY GROWING AND IMMOBILIZED ARTHROBACTER SIMPLEX NCIM 2449." Asian Journal of Pharmaceutical and Clinical Research 10, no. 2 (2017): 392. http://dx.doi.org/10.22159/ajpcr.2017.v10i2.15861.

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Objective: Permeability of hydrophobic steroid substrates across cell membrane is a critical factor during microbial bioconversion. To increase substrate intake, the feasibility of some organic solvents and emulsifiers as substrate carrier on the bioconversion of 6-methylene androstenedione to exemestane was assessed.Methods: Androstenedione, a commonly available steroid precursor, was chemically converted 6-methylene androstenedione. The time course of exemestane accumulation was estimated after addition of 6-methylene androstenedione dissolved in some organic solvents or dispersed with emuls

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Clarkson, W. W., and X. Xiao. "Bench-scale anaerobic bioconversion of newsprint and office paper." Water Science and Technology 41, no. 3 (2000): 93–100. http://dx.doi.org/10.2166/wst.2000.0060.

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Anaerobic bioconversion of newsprint and waste office paper was performed in bench-scale reactors with three inocula sources: landfill, rumen, and anaerobic digester. Office paper bioconversion was nearly complete within 20 days but continued for about 165 days with methane yield efficiencies ranging from 71–85% of potential chemical oxygen demand (COD) conversion. Average newsprint methane conversion efficiencies ranged from 32–41% of total COD under strictly anaerobic conditions for 300 days. Mass balance calculations revealed that more than 80% of newsprint cellulose was biodegraded. The ap

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Dolgunin, V. N., A. V. Slepykh, and V. A. Pronin. "Kinetic Regularities of Bioconversion of Cellulose-Containing Raw Materials Using a Culture of the Fungus Trichoderma Viride." Vestnik Tambovskogo gosudarstvennogo tehnicheskogo universiteta 26, no. 3 (2020): 393–401. http://dx.doi.org/10.17277/vestnik.2020.03.pp.393-401.

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The technology of solid-phase bioconversion of cellulose-containing raw materials in a drum apparatus using a culture of the fungus Trichoderma viride is proposed. The study of the kinetics of the bioconversion process in the static and dynamic modes of the organization of the fermentation process was carried out. It has been established that bioconversion in a dynamic mode provides a higher intensity of fermentation with obtaining a culture of high activity, which makes it possible to reduce the duration of the process by more than 40 hours.

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Hasbuna, Abun, Tuti Widjastuti, and Kiki Haetami. "Bioconversion of Shrimp Waste with Fermentation Stage Process on Proximate Analysis and Digestibility Values of Feed." European Journal of Agriculture and Food Sciences 3, no. 6 (2021): 36–40. http://dx.doi.org/10.24018/ejfood.2021.3.6.409.

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Frozen shrimp processing waste has the potential to be used as feed, but the characteristics of the shrimp shells need to be improved so that they can be digested. Fermentation using three types of microbes in stages has been studied, to determine the optimal processing time that yields proximate values and protein digestibility of shrimp waste concentrate. Completely randomized design (CRD), 3 treatments and 7 replications, conducted with treatments of shrimp waste bioconversion in stage over time, T1 = Bacillus licheniformis (Bl.) 1 day + Lactobacillus sp. (Ls.) 1 day; + Saccharomyces cerevi

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Shen, Wenyue, Xiangwei Ma, Hang Liu, et al. "Fatty Acid Bioconversion and Scaling-Up Effects of Swine Manure Treatment with Black Soldier Fly Larvae." Biomass 4, no. 3 (2024): 1031–46. http://dx.doi.org/10.3390/biomass4030058.

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Black soldier fly larvae (BSFL) treatment offers a promising avenue for manure valorization. However, there is a lack of larval density studies and ton-scale exploration in swine manure bioconversion. This study delves into the efficiency of larval fatty acid (FA) bioconversion, examining the impact of larval density on a kilogram scale and extending the analysis to a ton scale. Across a range of 50 to 600 larvae/kg, the larval FA content decreased from 15.3% to 7.85%. The peak larval FA yield, at 3.04% (based on manure dry matter), occurred at a density of 200 larvae/kg. Both low (50 larvae/k

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Karthikeyani, T., K. Sivasubramanian, M. Maheswari, et al. "The Efficiency of Black Soldier Fly Larvae with Vegetable, Fruit and Food Waste as Biological Tool for Sustainable Management of Organic Waste." International Journal of Environment and Climate Change 14, no. 2 (2024): 441–48. http://dx.doi.org/10.9734/ijecc/2024/v14i23959.

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This study investigated the sustainable management of wet organic waste using Black Soldier Fly Larvae (BSFL) for an innovative biological approach to waste management. The organic wet wastes such as fruit, vegetable, and food wastes were processed and fed to BSFL larvae from day 5 and the bioconversion process was carried out at Black Soldier Fly Unit, Tamil Nadu Agricultural University for 21 days. Among the three wastes, the highest bioconversion efficiency was recorded in fruit waste with 67% Substrate Reduction, 10.8% Efficiency of Conversion of Digested feed, 5.7% Bio Conversion Rate, an

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Pothiraj, C., P. Kanmani, and P. Balaji. "Bioconversion of Lignocellulose Materials." Mycobiology 34, no. 4 (2006): 159. http://dx.doi.org/10.4489/myco.2006.34.4.159.

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Walsh, Robert. "Innovating New Bioconversion Pathways." Industrial Biotechnology 14, no. 1 (2018): 14–16. http://dx.doi.org/10.1089/ind.2018.29113.rwa.

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Hoseney, R. Carl. "Bioconversion of cereal products." Trends in Food Science & Technology 5, no. 9 (1994): 308. http://dx.doi.org/10.1016/0924-2244(94)90147-3.

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Pandey, Ashok, and Carlos R. Soccol. "Bioconversion of biomass: a case study of ligno-cellulosics bioconversions in solid state fermentation." Brazilian Archives of Biology and Technology 41, no. 4 (1998): 379–90. http://dx.doi.org/10.1590/s1516-89131998000400001.

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Lignocellulosic residues obtained from crops cultivation form useful sources to be used as substrate for bioconversion processes. Sugarcane bagasse, which is a complex substrate obtained from the processing of sugar cane, is an important biomass among such sources. Due to its abundant availability, it can serve as an ideal substrate for microbial processes for the production of value added products. This paper reviews recent developments on biological processes developed on production of various products in solid state fermentation using sugarcane bagasse as the substrate and describes product

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Mamaeva, Olga O., and Elena V. Isaeva. "Use of Post-Extraction Fir Wood Greenery Residues by the Bioconversion Method with the Production of Feed Additives." Forests 12, no. 3 (2021): 272. http://dx.doi.org/10.3390/f12030272.

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The effectiveness of forest resources depends on the comprehensiveness and rationality of their consumption and processing into finished products. This article discusses the problem of using solid fir wood greenery residues generated during the industrial production of essential oils. Bioconversion is considered to be the most promising use. The objective of this research was to study the chemical composition of bioconversion products of fir wood greenery-based substrates. The PP-3.2 strain of Pleurotus pulmonarius (Fr.) Quél was used as a biodestructor. In the process of bioconversion, the co

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Tran, Thi Ngoc Anh, Jin-Sung Son, Muhammad Awais, Jae-Heung Ko, Deok Chun Yang та Seok-Kyu Jung. "β-Glucosidase and Its Application in Bioconversion of Ginsenosides in Panax ginseng". Bioengineering 10, № 4 (2023): 484. http://dx.doi.org/10.3390/bioengineering10040484.

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Ginsenosides are a group of bioactive compounds isolated from Panax ginseng. Conventional major ginsenosides have a long history of use in traditional medicine for both illness prevention and therapy. Bioconversion processes have the potential to create new and valuable products in pharmaceutical and biological activities, making them both critical for research and highly economic to implement. This has led to an increase in the number of studies that use major ginsenosides as a precursor to generate minor ones using β-glucosidase. Minor ginsenosides may also have useful properties but are dif

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Rochimawati, Nur Riana, Arief Sabdo Yuwono, Anuraga Jayanegara, and Neni Sintawardani. "Insect’s Bioconversion of Organic Waste: A Systematic Literature Review and Bibliometric Analysis." Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) 15, no. 3 (2025): 493. https://doi.org/10.29244/jpsl.15.3.493.

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Food waste, a type of solid waste is a significant environmental concern, particularly in developing nations. The utilization of insects as bioconversion agents is becoming more significant due to rapid population expansion and the rise in organic waste on a global scale. The research on waste bioconversion utilizing insects is now limited to a few bug species and lacks long-term strategy and sustainability considerations. This study conducted bibliometric analysis and a comprehensive literature evaluation on studies related to waste bioconversion processes utilizing insect bioconversion agent

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Sarenkova, Inga, Sara Sáez-Orviz, Manuel Rendueles, Inga Ciprovica, Jelena Zagorska, and Mario Díaz. "Downstream Approach Routes for the Purification and Recovery of Lactobionic Acid." Foods 11, no. 4 (2022): 583. http://dx.doi.org/10.3390/foods11040583.

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The successful development of a lactobionic acid (LBA) bioconversion process on an industrial scale demands the selection of appropriate downstream methodological approaches to achieve product purification once the bioconversion of LBA is completed. These approaches depend on the nature of the substrate available for LBA production, and their necessary implementation could constitute a drawback when compared to the lesser effort required in downstream approaches in the production of LBA obtained by chemical synthesis from refined lactose. Thus, the aim of this research is to separate LBA from

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Muhlison, Wildan, Listya Purnamasari, Irwanto Sucipto, Tri Wahyu Saputra, and Nanda Khoirun Nisa Ahmad. "Study of the Bioconversion Process of Black Soldier Fly (Hermetia Illucens) Larvae in Decomposition of Various Variations of Organic Waste." Techno Jurnal Penelitian 10, no. 2 (2021): 115–24. http://dx.doi.org/10.33387/tjp.v10i2.2803.

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Poor waste management will affect various aspects such as environmental pollution due to piles of garbage that disturb the community. It needs a waste treatment process and one of them is the bioconversion process. This process uses the biological agent Black Soldier Fly (Hermetia illucens). This research was conducted with three organic matter variations, namely tofu pulp, eggplant pulp, and pumpkin pulp as bioconversion media. The ability of BSF larvae in bioconversion organic waste can be seen from several parameters, namely temperature, media pH, larvae weight growth, WRI (Waste Reduction

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Li, Peng, Kosaku Takahashi, Ahmed Elkhateeb, Hideyuki Matsuura, Teruhiko Yoshihara, and Kensuke Nabeta. "Bioconversion of Proposed Precursors into Theobroxide and Related Compounds." Natural Product Communications 6, no. 12 (2011): 1934578X1100601. http://dx.doi.org/10.1177/1934578x1100601202.

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We have previously reported a tetraketide origin for theobroxide and its related compound. In the present study, bioconversion of natural and deuterium-labeled precursors of this proposed biosynthetic pathway by Lasiodipoldia theobromae was investigated. Theobroxide was quantified after bioconversion from each proposed precursor. The transformation of the isotopically labeled precursor to products was tracked by 2H NMR measurement.

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Scharnweber, Kristin, Fernando Chaguaceda, and Peter Eklöv. "Fatty acid accumulation in feeding types of a natural freshwater fish population." Oecologia 196, no. 1 (2021): 53–63. http://dx.doi.org/10.1007/s00442-021-04913-y.

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AbstractFatty acids are widely used to study trophic interactions in food web assemblages. Generally, it is assumed that there is a very small modification of fatty acids from one trophic step to another, making them suitable as trophic biomarkers. However, recent literature provides evidence that many fishes possess genes encoding enzymes with a role in bioconversion, thus the capability for bioconversion might be more widespread than previously assumed. Nonetheless, empirical evidence for biosynthesis occurring in natural populations remains scarce. In this study, we investigated different f

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Zhang, Haixu, Xilu Zhang, Mengxiao Chen, et al. "Biochar Can Improve Absorption of Nitrogen in Chicken Manure by Black Soldier Fly." Life 13, no. 4 (2023): 938. http://dx.doi.org/10.3390/life13040938.

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(1) Background: There is growing interest in using insects to treat nutrient-rich organic wastes, such as the black soldier fly (BSF), one of the most efficient organic waste recyclers for upcycling nutrients into the food system. Although biochar (BC) was shown to enhance nutrient retention and the final product quality during the composting of livestock and poultry manure in many previous studies, little information is available on the effect of BC on livestock manure bioconversion by black soldier fly larvae (BSFL). (2) Methods: This study investigated the effect of adding a small amount of

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Rocha Bispo, Aline Simões da, Jéssica Ferreira Mafra, Paulo Sérgio Pedroso Costa Júnior, Thiago Alves Santos de Oliveira, Elizabeth Amélia Alves Duarte, and Norma Suely Evangelista Barreto. "Formulation of culture media using fish scale bioconversion." SDRP Journal of Earth Sciences & Environmental Studies 4, no. 1 (2018): 534–40. http://dx.doi.org/10.25177/jeses.4.1.ra.433.

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Nisa, Aulia, and Arief Sabdo Yuwono. "Bioconversion of Horeca (Hotel, Restaurant and Catering) Food Waste into Black Soldier Fly Larvae Oil." IOP Conference Series: Earth and Environmental Science 1416, no. 1 (2024): 012021. https://doi.org/10.1088/1755-1315/1416/1/012021.

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Abstract Horeca Food Waste is waste from the hotel, restaurant and catering sectors. The hotel industry generates 0.8-1.2 kg of food waste per guest. A bioconversion process can be used as a technique for treating food waste. The oil content of BSFL constitutes 35-45% of their whole weight. Research must be conducted on the bioconversion of horeca food waste (from hotels, restaurants, and catering) into oil derived from black soldier fly larvae. The study utilised horeca waste bioconversion to investigate environmental parameters, analyse the bioconversion properties of food waste, extract BSF

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Bouallagui, Zouhaier, and Sami Sayadi. "Bioconversion of p-Tyrosol into Hydroxytyrosol under Bench-Scale Fermentation." BioMed Research International 2018 (July 9, 2018): 1–5. http://dx.doi.org/10.1155/2018/7390751.

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Tyrosol hydroxylating Pseudomonas strain was previously isolated from olive mill wastewaters-irrigated soil. In the present work, experimental design was used to study the bioconversion of tyrosol in laboratory fermenters aiming at the recovery of the highest yields of hydroxytyrosol. The effects of biocatalyst loading and tyrosol concentration were studied. The bioconversion yield reached 86.9% (37.3 mM hydroxytyrosol) starting from a tyrosol concentration of 43 mM. Under these conditions, the specific productivity relative to the biocatalyst was 4.78 μM/min/g. The established model to predic

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Lee, Ok Kyung, Jong Seok Lee, Yoonyong Yang, Moonsuk Hur, Kyung Jin Lee, and Eun Yeol Lee. "Advancements in the production of value-added products via methane biotransformation by methanotrophs: Current status and future perspectives." Journal of Microbiology 63, no. 3 (2025): e2412024. https://doi.org/10.71150/jm.2412024.

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Methane gas is recognized as a promising carbon substrate for the biosynthesis of value-added products due to its abundance and low price. Methanotrophs utilized methane as their sole source of carbon and energy, thus they can serve as efficient biocatalysts for methane bioconversion. Methanotrophs-catalyzed microbial bioconversion offer numerous advantages, compared to chemical processes. Current indirect chemical conversions of methane suffer from their energy-intensive processes and high capital expenditure. Methanotrophs can be cell factories capable of synthesizing various value-added pro

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Mamaeva, Olʹga Olegovna, Elena Vladimirovna Isaeva, Vladimir Sergeyevich Fedorov, and Tatʹyana Vasilʹyevna Ryazanova. "BIOCONVERSION AS A METHOD OF UTILIZATION OF POST-EXTRACTION RESIDUES OF FIR TREE GREENS (ABIES SIBIRICA) WITH OBTAINING A FEED ADDITIVE." chemistry of plant raw material, no. 2 (June 10, 2022): 243–51. http://dx.doi.org/10.14258/jcprm.20220210460.

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This article deals with the problem of utilization of the solid residue of fir tree greens formed during the industrial production of essential oils. The objective of this study was to study the chemical composition of bioconversion products of substrates based on fir tree greens. The strain PP-3.2. Pleurotus pulmonarius (Fr.) Quél acted as a biodestructor. In the process of bioconversion, the content of polysaccharides and lignin substances decreases to 38 and 28%, respectively. Up to 20% of protein accumulates in the bioconversion products of fir tree greens. The amount of nucleic acid

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Guo, Wen-Jie, Jia-Kun Xu, Sheng-Tao Wu, et al. "Design and Engineering of an Efficient Peroxidase Using Myoglobin for Dye Decolorization and Lignin Bioconversion." International Journal of Molecular Sciences 23, no. 1 (2021): 413. http://dx.doi.org/10.3390/ijms23010413.

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The treatment of environmental pollutants such as synthetic dyes and lignin has received much attention, especially for biotechnological treatments using both native and artificial metalloenzymes. In this study, we designed and engineered an efficient peroxidase using the O2 carrier myoglobin (Mb) as a protein scaffold by four mutations (F43Y/T67R/P88W/F138W), which combines the key structural features of natural peroxidases such as the presence of a conserved His-Arg pair and Tyr/Trp residues close to the heme active center. Kinetic studies revealed that the quadruple mutant exhibits consider

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Kuhnt, Michaela, Francis Bitsch, Monique Ponelle, Jean-Jacques Sanglier, Ying Wang, and Barbara Wolff. "Microbial Conversion Products of Leptomycin B." Applied and Environmental Microbiology 64, no. 2 (1998): 714–20. http://dx.doi.org/10.1128/aem.64.2.714-720.1998.

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ABSTRACT Leptomycin B (LMB), a secondary metabolite produced byStreptomyces sp. strain ATS 1287, with known antifungal and antitumor effects, inhibits the nucleo-cytoplasmic translocation of the human immunodeficiency virus type 1 regulatory protein Rev and exhibits significant antiproliferative activity. Since LMB itself turned out to be distinctly cytotoxic, a bioconversion screening with a selected set of 29 bacterial and 72 fungal strains was performed in order to obtain metabolites of LMB with reduced antiproliferative effects. Several derivatives of LMB, more polar than the parent compou

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Bawa, I. Gusti Agung Gede, Sri Rahayu Santi, I. Made Sukadana, and Anak Agung Bawa Putra. "Bioconversion of steroid compounds due to interaction of the bark extract of <i>Michelia champaca</i> with fungi <i>Curvularia verruculosa</i>." Journal of Applied and Natural Science 17, no. 1 (2025): 1–6. https://doi.org/10.31018/jans.v17i1.6034.

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Functional groups bioconversion of steroid compounds was observed in the interaction of secondary metabolites of Michelia champaca with Curvularia verruculosa fungal. In an inhibited mechanism, this extract can lyse the cell walls of the fungus. This research aims to determine changes in secondary metabolite compounds involved in the inhibition process of M. champaca bark extract on the growth of the fungus C. verruculosa.The interaction of secondary metabolites of M. champaca with C. verruculosa fungi was observed by biomass test method and bioconversion analysis of steroid compounds was obse

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Palmerín-Carreño, Dulce M., Olga M. Rutiaga-Quiñones, José R. Verde-Calvo, Arely Prado-Barragán, and Sergio Huerta-Ochoa. "Whole Cell Bioconversion of (+)-valencene to (+)-nootkatone in 100 % Organic Phase using Yarrowia lipolytica 2.2ab." International Journal of Chemical Reactor Engineering 14, no. 4 (2016): 939–44. http://dx.doi.org/10.1515/ijcre-2016-0013.

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Abstract The aim of this work was to assess the whole cell bioconversion of (+)-valencene to (+)-nootkatone in 100 % organic phase (orange essential oil) using a stirred tank bioreactor. Yarrowia lipolytica 2.2ab was used to perform bioconversion experiments; 600 mL of orange essential oil was inoculated with 50 cm3 of cell paste containing 13.5 g of biomass previously permeabilized with 0.2 % (w/v) of cetyl trimethylammonium bromide (CTAB) and enriched with 2.0 mM niacin. Experiments were conducted at 200 rpm, 0.5 vvm and 30 °C. The highest (+)-nootkatone yield was ca. 773 mg L−1 after 4 days

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Hernández-Guzmán, Christian, Luis G. Hernández-Montiel, Adrian E. Velázquez-Lizarraga, et al. "Enhanced Antioxidant, Antifungal, and Herbicidal Activities through Bioconversion of Diosgenin by Yarrowia lipolytica P01a." Plants 13, no. 18 (2024): 2629. http://dx.doi.org/10.3390/plants13182629.

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This study explores the bioconversion of diosgenin by Yarrowia lipolytica P01a, focusing on enhancing the antioxidant, antifungal, and herbicidal activities of the resulting extracts. The bioconversion process, involving glycosylation and hydroxylation, produced significant amounts of protodioscin and soyasaponin I. The extracts showed superior antioxidant activity, with up to 97.02% inhibition of ABTS· radicals and 33.30% inhibition of DPPH· radicals at 1000 mg L−1 of diosgenin. Antifungal assays revealed strong inhibitory effects against Botrytis cinerea, Alternaria sp., and Aspergillus nige

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Jadhav, Indrani, and Kapilesh Jadhav. "Bioconversion of Cellulose to Biofuels." INROADS- An International Journal of Jaipur National University 5, no. 1and2 (2016): 30. http://dx.doi.org/10.5958/2277-4912.2016.00075.8.

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Han, Min-Hui, and Gi-Seong Moon. "Bioconversion of Ginseng Using Microorganisms." Journal of Biotechnology and Bioindustry 7 (December 2019): 5–11. http://dx.doi.org/10.37503/jbb.2019.7.5.

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Mahran, Rokaya I. M., Mona M. Naim, Mohamed E. O. Yehia, Mervette El-Batouti, and Mahmoud M. Elewa. "Bioconversion of Potatoes to Bioethanol." Revista de Chimie 71, no. 10 (2020): 118–30. http://dx.doi.org/10.37358/rc.20.10.8356.

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With the depletion of the world�Ls petroleum supply, there has been an increasing worldwide interest in alternative, non-petroleum based sources of energy. Ethanol derived from biomass has the potential to be renewable transportation fuel that can replace gasoline. Moreover bioethanol can play an important role in reducing green-house gas emission. Ethanol use will increase because of its biodegradable, renewable and performance qualities. It is a high performance fuel in internal combustion engines and burns relatively cleanly, especially as the amount of gasoline with which it is blended dec

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