Full Factorial Design Applied to a Biosorption of Lead(II) Ions from Aqueous Solution Using Brewer's Yeast (Saccharomyces cerevisiae)

2011 ◽  
Vol 56 (11) ◽  
pp. 3999-4005 ◽  
Author(s):  
I. Yahiaoui ◽  
A. Belattaf ◽  
F. Aissani-Benissad ◽  
L. Yahia Cherif
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Aqueous Solution ◽  
Factorial Design ◽  
Full Factorial Design ◽  
Brewer’S Yeast ◽  
Yeast Saccharomyces Cerevisiae ◽  
Brewer's Yeast ◽  
Full Factorial

scholarly journals Efficient Removal of Metals from Synthetic and Real Galvanic Zinc–Containing Effluents by Brewer’s Yeast Saccharomyces cerevisiae

Materials ◽  
2020 ◽  
Vol 13 (16) ◽  
pp. 3624 ◽  
Author(s):  
Inga Zinicovscaia ◽  
Nikita Yushin ◽  
Daler Abdusamadzoda ◽  
Dmitrii Grozdov ◽  
Margarita Shvetsova
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Metal Ions ◽  
High Efficiency ◽  
Zinc Ions ◽  
Brewer’S Yeast ◽  
Yeast Saccharomyces Cerevisiae ◽  
Brewer's Yeast ◽  
Biosorption Process ◽  
Metal Biosorption ◽  
Removal Of Metal Ions

The performance of the brewer’s yeast Saccharomyces cerevisiae to remove metal ions from four batch systems, namely Zn(II), Zn(II)-Sr(II)-Cu(II), Zn(II)-Ni(II)-Cu(II), and Zn(II)-Sr(II)-Cu(II)-Ba(II), and one real effluent was evaluated. Yeast biosorption capacity under different pH, temperature, initial zinc concentration, and contact time was investigated. The optimal pH for removal of metal ions present in the analyzed solution (Zn, Cu, Ni, Sr, and Ba) varied from 3.0 to 6.0. The biosorption process for zinc ions in all systems obeys Langmuir adsorption isotherm, and, in some cases, the Freundlich model was applicable as well. The kinetics of metal ions biosorption was described by pseudo-first-order, pseudo-second-order, and Elovich models. Thermodynamic calculations showed that metal biosorption was a spontaneous process. The two-stage sequential scheme of zinc ions removal from real effluent by the addition of different dosages of new sorbent allowed us to achieve a high efficiency of Zn(II) ions removal from the effluent. FTIR revealed that OH, C=C, C=O, C–H, C–N, and NH groups were the main biosorption sites for metal ions.

Coping with exposure to hypoxia: modifications in stress parameters in gilthead seabream (Sparus aurata) fed spirulina (Arthrospira platensis) and brewer’s yeast (Saccharomyces cerevisiae)

2019 ◽  
Vol 45 (6) ◽  
pp. 1801-1812 ◽  
Author(s):  
Bruno Olivetti de Mattos ◽  
José Fernando López-Olmeda ◽  
Bartira Guerra-Santos ◽  
Cristóbal Espinosa Ruiz ◽  
José María García-Beltrán ◽  
...  
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Sparus Aurata ◽  
Arthrospira Platensis ◽  
Gilthead Seabream ◽  
Brewer’S Yeast ◽  
Yeast Saccharomyces Cerevisiae ◽  
Brewer's Yeast ◽  
Stress Parameters

Adsorption of silver from aqueous solution onto fly ash and phosphogypsum using full factorial design

2010 ◽  
Vol 30 (4) ◽  
pp. 609-619 ◽  
Author(s):  
Semra Çoruh ◽  
Sermin Elevli ◽  
Gaye Şenel ◽  
Osman Nuri Ergun
Keyword(s):  
Aqueous Solution ◽  
Fly Ash ◽  
Factorial Design ◽  
Full Factorial Design ◽  
Full Factorial

scholarly journals Use of brewer’s yeast (Saccharomyces cerevisiae) in broiler feeds to replace corn gluten meal with or without probiotic additives

2021 ◽  
Vol 24 (1) ◽  
pp. 66-83
Author(s):  
Georgeta Ciurescu ◽  
Mihaela Dumitru ◽  
Anca Gheorghe
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Dietary Treatment ◽  
Broiler Chicks ◽  
Brewer’S Yeast ◽  
Feed Conversion ◽  
Corn Gluten Meal ◽  
Yeast Saccharomyces Cerevisiae ◽  
Treatment Groups ◽  
Brewer's Yeast ◽  
Corn Gluten

Abstract This study was intended to assess the effect of graded replacements of corn gluten meal with Brewer’s yeast (Saccharomyces cerevisiae), with and without Bacillus megaterium supplementation, on performance, carcass characteristics, and the gut broilers microflora composition. A total of 720 mixed sex one-day-old broiler chicks (Ross 308) were randomly assigned to six dietary treatment groups (6 replicates each) in a 3 × 2 factorial arrangement, including 3 levels of Brewer’s yeast (BY; 0, 25, and 50%, to replace corn gluten meal; CGM) in the presence (+) or absence (−) of B. megaterium used as probiotic (Pro). The results showed that broilers fed diets containing BY up to 25% had comparable body weight (BWG), feed intake (FI), and feed conversion ratio (FCR) to the birds fed only CGM, over the entire feeding period (days 1–35). Conversely, higher levels of BY (50% replacing CGM) registered the lowest BWG values (P < 0.001) and impaired FCR (P < 0.010), but without effects on FI. The BY diets did not significantly affect the main broiler’s carcass traits. The diets with Pro did not involve modifications on carcass and organs size, but a tendency to increase the gizzard weight (P = 0.094) and to decrease SIL (P = 0.076) was observed. Pro addition also, reduced the cecal pH (P = 0.040) and diminish the total coliforms (P < 0.010), Clostridium spp. (P < 0.0001), and E. coli (P < 0.0001) count, whereas LAB, Bacillus spp., and Enterococcus spp. bacteria were increased (P = 0.022; P < 0.0001, and P < 0.0001, respectively).

Sign in / Sign up

Export Citation Format

Share Document