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Braglia C, Alberoni D, Porrini MP, Garrido PM, Baffoni L, Di Gioia D. Screening of Dietary Ingredients against the Honey Bee Parasite Nosema ceranae. Pathogens 2021; 10:1117. [PMID: 34578150 PMCID: PMC8466614 DOI: 10.3390/pathogens10091117] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/27/2021] [Accepted: 08/27/2021] [Indexed: 12/27/2022] Open
Abstract
Nosema ceranae is a major pathogen in the beekeeping sector, responsible for nosemosis. This disease is hard to manage since its symptomatology is masked until a strong collapse of the colony population occurs. Conversely, no medicaments are available in the market to counteract nosemosis, and only a few feed additives, with claimed antifungal action, are available. New solutions are strongly required, especially based on natural methods alternative to veterinary drugs that might develop resistance or strongly pollute honey bees and the environment. This study aims at investigating the nosemosis antiparasitic potential of some plant extracts, microbial fermentation products, organic acids, food chain waste products, bacteriocins, and fungi. Honey bees were singularly infected with 5 × 104 freshly prepared N. ceranae spores, reared in cages and fed ad libitum with sugar syrup solution containing the active ingredient. N. ceranae in the gut of honey bees was estimated using qPCR. The results showed that some of the ingredients administered, such as acetic acid at high concentration, p-coumaric acid, and Saccharomyces sp. strain KIA1, were effective in the control of nosemosis. On the other hand, wine acetic acid strongly increased the N. ceranae amount. This study investigates the possibility of using compounds such as organic acids or biological agents including those at the base of the circular economy, i.e., wine waste production, in order to improve honeybee health.
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Affiliation(s)
- Chiara Braglia
- Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Viale Fanin 44, 40127 Bologna, Italy; (C.B.); (L.B.); (D.D.G.)
| | - Daniele Alberoni
- Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Viale Fanin 44, 40127 Bologna, Italy; (C.B.); (L.B.); (D.D.G.)
| | - Martin Pablo Porrini
- Instituto de Investigaciones en Producción Sanidad y Ambiente (IIPROSAM), Centro Científico Tecnológico Mar del Plata-CONICET-UNMdP-CIC-PBA, Funes 3350, Mar del Plata Zc 7600, Argentina; (M.P.P.); (P.M.G.)
- Centro de Investigación en Abejas Sociales (CIAS), FCEyN, UNMdP, Funes 3350, Mar del Plata Zc 7600, Argentina
| | - Paula Melisa Garrido
- Instituto de Investigaciones en Producción Sanidad y Ambiente (IIPROSAM), Centro Científico Tecnológico Mar del Plata-CONICET-UNMdP-CIC-PBA, Funes 3350, Mar del Plata Zc 7600, Argentina; (M.P.P.); (P.M.G.)
- Centro de Investigación en Abejas Sociales (CIAS), FCEyN, UNMdP, Funes 3350, Mar del Plata Zc 7600, Argentina
| | - Loredana Baffoni
- Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Viale Fanin 44, 40127 Bologna, Italy; (C.B.); (L.B.); (D.D.G.)
| | - Diana Di Gioia
- Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Viale Fanin 44, 40127 Bologna, Italy; (C.B.); (L.B.); (D.D.G.)
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Vollet Marson G, Belleville MP, Lacour S, Dupas Hubinger M. Membrane Fractionation of Protein Hydrolysates from By-Products: Recovery of Valuable Compounds from Spent Yeasts. Membranes (Basel) 2020; 11:membranes11010023. [PMID: 33383662 PMCID: PMC7823831 DOI: 10.3390/membranes11010023] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 12/22/2020] [Accepted: 12/22/2020] [Indexed: 11/25/2022]
Abstract
Spent brewer’s yeast (Saccharomyces sp.), the second most generated by-product from the brewing industry, contains bioactive and nutritional compounds with high added value such as proteins (40–50%), polysaccharides, fibers and vitamins. Molecules of interest from agro-industrial by-products need to be extracted, separated, concentrated, and/or purified so that a minimum purity level is achieved, allowing its application. Enzymatic hydrolysis has been successfully used in the production of peptides and protein hydrolysates. The obtained hydrolysates require efficient downstream processes such as membrane technology, which is an important tool for the recovery of thermolabile and sensitive compounds from complex mixtures, with low energy consumption and high specificity. The integration of membrane techniques that promote the separation through sieving and charge-based mechanisms is of great interest to improve the purity of the recovered fractions. This review is specifically addressed to the application of membrane technologies for the recovery of peptides from yeast protein hydrolysates. Fundamental concepts and practical aspects relative to the ultrafiltration of agro-industrial protein hydrolysates will be described. Challenges and perspectives involving the recovery of peptides from yeast protein hydrolysates will be presented and thoroughly discussed.
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Affiliation(s)
- Gabriela Vollet Marson
- Institut Européen des Membranes, IEM—UMR 5635, ENSCM, CNRS, Université de Montpellier, CC 047, 2 Place Eugène Bataillon, 34095 Montpellier CEDEX 5, France; (M.-P.B.); (S.L.)
- Department of Food Engineering, School of Food Engineering, UNICAMP, Rua Monteiro Lobato, 80, Campinas 13083-862, Brazil;
- Correspondence:
| | - Marie-Pierre Belleville
- Institut Européen des Membranes, IEM—UMR 5635, ENSCM, CNRS, Université de Montpellier, CC 047, 2 Place Eugène Bataillon, 34095 Montpellier CEDEX 5, France; (M.-P.B.); (S.L.)
| | - Stella Lacour
- Institut Européen des Membranes, IEM—UMR 5635, ENSCM, CNRS, Université de Montpellier, CC 047, 2 Place Eugène Bataillon, 34095 Montpellier CEDEX 5, France; (M.-P.B.); (S.L.)
| | - Miriam Dupas Hubinger
- Department of Food Engineering, School of Food Engineering, UNICAMP, Rua Monteiro Lobato, 80, Campinas 13083-862, Brazil;
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Marson GV, de Castro RJS, Belleville MP, Hubinger MD. Spent brewer's yeast as a source of high added value molecules: a systematic review on its characteristics, processing and potential applications. World J Microbiol Biotechnol 2020; 36:95. [PMID: 32583032 DOI: 10.1007/s11274-020-02866-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 06/08/2020] [Indexed: 01/10/2023]
Abstract
Development of new strategies to add-value to agro-industrial by-products are of environmental and economical importance. Innovative and low-cost sources of protein and bioactive peptides have been explored worldwide. Spent brewer's yeast (SBY) is the second most relevant by-product from the brewing industry, and despite its nutritional (about 50% protein, dry weight) and technological potential, it is still underused or needs to be disposed of. SBY cells need to be disrupted to release intracellular and cell wall proteins. This procedure has been performed using autolysis, glass bead milling, enzymatic hydrolysis and ultrasound processing. Enzymatic treatment is usually performed without prior purification and is a challenging process, which involves multiple factors, but has been successfully used as a strategy to add value to agro-industrial by-products. Scope and approach: in this review, we particularly focused on enzymatic hydrolysis as a strategy to promote SBY valorisation, illustrating the state-of-the-art processes used to produce protein extracts from this material as well as exploring fundamental concepts related to the particularities of yeast cell disruption and protein hydrolysis. Furthermore, innovative applications of value-added yeast by-products in food, biotechnological and pharmaceutical industries are presented and discussed. Key findings and conclusions: the discovery of valuable compounds found in spent yeasts as well as the development of new processing methodologies have been widening the possibilities of reuse and transformation of SBY as an ingredient and innovative matrix. Once released, yeast proteins and peptides may be applied as an innovative non-animal protein source or a functional and bioactive ingredient.
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Affiliation(s)
- Gabriela Vollet Marson
- Institut Européen des Membranes, Université de Montpellier, CNRS, ENSCM, UM, CC 047, 2 Place Eugène Bataillon, 34095, Montpellier, France. .,Laboratory of Process Engineering, Department of Food Engineering, School of Food Engineering, UNICAMP, Rua Monteiro Lobato, 80, Campinas, SP, 13083-862, Brazil.
| | - Ruann Janser Soares de Castro
- Department of Food Science, School of Food Engineering, UNICAMP, Rua Monteiro Lobato, 80, Campinas, SP, 13083-862, Brazil
| | - Marie-Pierre Belleville
- Institut Européen des Membranes, Université de Montpellier, CNRS, ENSCM, UM, CC 047, 2 Place Eugène Bataillon, 34095, Montpellier, France
| | - Miriam Dupas Hubinger
- Laboratory of Process Engineering, Department of Food Engineering, School of Food Engineering, UNICAMP, Rua Monteiro Lobato, 80, Campinas, SP, 13083-862, Brazil
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de Melo Pereira GV, Soccol VT, Pandey A, Medeiros AB, Andrade Lara JM, Gollo AL, Soccol CR. Isolation, selection and evaluation of yeasts for use in fermentation of coffee beans by the wet process. Int J Food Microbiol 2014; 188:60-6. [PMID: 25087206 DOI: 10.1016/j.ijfoodmicro.2014.07.008] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2014] [Revised: 06/27/2014] [Accepted: 07/13/2014] [Indexed: 10/25/2022]
Abstract
During wet processing of coffee, the ripe cherries are pulped, then fermented and dried. This study reports an experimental approach for target identification and selection of indigenous coffee yeasts and their potential use as starter cultures during the fermentation step of wet processing. A total of 144 yeast isolates originating from spontaneously fermenting coffee beans were identified by molecular approaches and screened for their capacity to grow under coffee-associated stress conditions. According to ITS-rRNA gene sequencing, Pichia fermentans and Pichia kluyveri were the most frequent isolates, followed by Candida Candida glabrata, quercitrusa, Saccharomyces sp., Pichia guilliermondii, Pichia caribbica and Hanseniaspora opuntiae. Nine stress-tolerant yeast strains were evaluated for their ability to produce aromatic compounds in a coffee pulp simulation medium and for their pectinolytic activity. P. fermentans YC5.2 produced the highest concentrations of flavor-active ester compounds (viz., ethyl acetate and isoamyl acetate), while Saccharomyces sp. YC9.15 was the best pectinase-producing strain. The potential impact of these selected yeast strains to promote flavor development in coffee beverages was investigated for inoculating coffee beans during wet fermentation trials at laboratory scale. Inoculation of a single culture of P. fermentans YC5.2 and co-culture of P. fermentans YC5.2 and Saccharomyces sp. YC9.15 enhanced significantly the formation of volatile aroma compounds during the fermentation process compared to un-inoculated control. The sensory analysis indicated that the flavor of coffee beverages was influenced by the starter cultures, being rated as having the higher sensory scores for fruity, buttery and fermented aroma. This demonstrates a complementary role of yeasts associated with coffee quality through the synthesis of yeast-specific volatile constituents. The yeast strains P. fermentans YC5.2 and Saccharomyces sp. YC9.15 have a great potential for use as starter cultures in wet processing of coffee and may possibly help to control and standardize the fermentation process and produce coffee beverages with novel and desirable flavor profiles.
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