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Fermentation, Volume 8, Issue 3

2022 March - 45 articles

Cover Story: Guanidinoacetate is a naturally occurring amino acid derivative, which is widely used in feed additives and the pharmaceutical industry. The application of GAA is limited by the inefficient production of GAA by chemical synthesis. In this study, a biological approach is developed for food safety GAA production via whole-cell biocatalysis by the generally regarded as safe (GRAS) bacterium Bacillus subtilis. We introduced a heterologous arginine: glycine amidinotransferase (AgaT) into B. subtilis and optimized its expression level. In order to increase the production, we optimized the natural ornithine cycle in B. subtilis. Here, we provide a new method for the biosynthesis of GAA. View this paper.
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Articles (45)

  • Article
  • Open Access
7 Citations
3,906 Views
13 Pages

A thermotolerant Enterococcus faecium s6 strain exhibited homoferementative lactic acid (LA) production at high xylose concentration (≥50 g/L). In batch fermentation at 45 °C and controlled pH of 6.5, strain E. faecium s6 produced up to 72.9 g...

  • Article
  • Open Access
41 Citations
15,759 Views
16 Pages

The aim of the present study was to investigate the feasibly of using traditional milk kefir grains for the production of water kefir-like beverages and assess the changes in the physicochemical characteristics and the microbial populations of the fe...

  • Article
  • Open Access
11 Citations
3,640 Views
10 Pages

Revalorization of Cava (Spanish Sparkling Wine) Lees on Sourdough Fermentation

  • Alba Martín-Garcia,
  • Montserrat Riu-Aumatell and
  • Elvira López-Tamames

Cava lees are a sparkling wine by-product formed of dead microorganisms, tartaric acid and other inorganic compounds, with a potential for enhancing microbial growth. Lees are rich in antioxidant compounds as well as β-glucans and mannoproteins....

  • Article
  • Open Access
10 Citations
4,657 Views
13 Pages

Enhancement of Labneh Quality by Laser-Induced Modulation of Lactocaseibacillus casei NRRL B-1922

  • Fouad M. F. Elshaghabee,
  • Ahmed El-Hussein and
  • Mahmoud S. M. Mohamed

Labneh is positioned in the top ranking of the bestselling dairy products all over the world due to its health benefits and delicious taste. Labneh production depends mainly on probiotic bacteria in the fermentation of milk. Probiotic bacteria have m...

  • Article
  • Open Access
17 Citations
8,277 Views
22 Pages

Effect of Feed Supplement Containing Dried Kratom Leaves on Apparent Digestibility, Rumen Fermentation, Serum Antioxidants, Hematology, and Nitrogen Balance in Goats

  • Pin Chanjula,
  • Juraithip Wungsintaweekul,
  • Rawee Chiarawipa,
  • Adirek Rugkong,
  • Benjamad Khonkhaeng,
  • Chanon Suntara and
  • Anusorn Cherdthong

The objectives of the present study were to examine the influence of supplementation with dried kratom leaf (DKTL) on the performance, hematology, and nitrogen balance in goats. Four 12-month-old male crossbred (Thai Native x Anglo Nubian) goats with...

  • Article
  • Open Access
6 Citations
4,516 Views
11 Pages

Modelling of the Simultaneous Saccharification and Fermentation for a Pine Sawdust Biorefinery

  • Carolina Mónica Mendieta,
  • Julia Kruyeniski,
  • Fernando Esteban Felissia and
  • María Cristina Area

The decline in world oil reserves evidences the need to diversify the sources of equivalent raw materials. The use of biomass is one of the most explored alternatives. This work evaluates the second-generation bioethanol (2G) production from a pine s...

  • Article
  • Open Access
22 Citations
4,312 Views
20 Pages

Sustainable and Eco-Friendly Conversions of Olive Mill Wastewater-Based Media by Pleurotus pulmonarius Cultures

  • Ilias Diamantis,
  • Eirini-Maria Melanouri,
  • Marianna Dedousi,
  • Ioanna Panagopoulou,
  • Seraphim Papanikolaou,
  • Nikolaos G. Stoforos and
  • Panagiota Diamantopoulou

Pleurotus pulmonarius mushroom was cultivated on liquid cultures with olive mill wastewaters (OMWs) of initial phenolic compound concentrations of 0 (control), 1, 2 and 3 g/L and glucose at initial concentrations of 40 and 60 g/L. The ability of the...

  • Article
  • Open Access
34 Citations
7,664 Views
22 Pages

Health Benefits of Postbiotics Produced by E. coli Nissle 1917 in Functional Yogurt Enriched with Cape Gooseberry (Physalis peruviana L.)

  • Mohamed Samir Darwish,
  • Longxin Qiu,
  • Mohamed A. Taher,
  • Ahmed A. Zaki,
  • Noha A. Abou-Zeid,
  • Dawood H. Dawood,
  • Ola M. A. K. Shalabi,
  • Ebtihal Khojah and
  • Asmaa A. Elawady

Changes in the activities of antimicrobial, antitumor, and antioxidant properties of postbiotics (YCG) are related to changes in the composition of phenolic compounds. Antimicrobial activity was found to be highest in postbiotic (YCG-7) against P. ae...

  • Editorial
  • Open Access
4 Citations
2,951 Views
3 Pages

In the food and beverage industries, implementing novel methods using digital technologies such as artificial intelligence (AI), sensors, robotics, computer vision, machine learning (ML), and sensory analysis using augmented reality (AR) has become c...

  • Article
  • Open Access
7 Citations
8,394 Views
20 Pages

Can Supplemented Skim Milk (SKM) Boost Your Gut Health?

  • Nelson Mota de Carvalho,
  • Diana Luazi Oliveira,
  • Célia Maria Costa,
  • Manuela Pintado and
  • Ana Raquel Madureira

The incorporation of functional ingredients, such as prebiotics and probiotics in food matrices, became a common practice in the human diet to improve the nutritional value of the food product itself. Worldwide, skim milk (SKM) is one of the most con...

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Fermentation - ISSN 2311-5637