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Neylon E, Nyhan L, Zannini E, Sahin AW, Arendt EK. From Waste to Taste: Application of Fermented Spent Rootlet Ingredients in a Bread System. Foods 2023; 12:foods12071549. [PMID: 37048370 PMCID: PMC10094320 DOI: 10.3390/foods12071549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/31/2023] [Accepted: 04/04/2023] [Indexed: 04/14/2023] Open
Abstract
The process of upcycling and incorporating food by-products into food systems as functional ingredients has become a central focus of research. Barley rootlets (BR) are a by-product of the malting and brewing industries that can be valorised using lactic acid bacteria fermentation. This research investigates the effects of the inclusion of unfermented (BR-UnF), heat-sterilised (BR-Ster), and five fermented BR ingredients (using Weissella cibaria MG1 (BR-MG1), Leuconostoc citreum TR116 (BR-TR116), Lactiplantibacillus plantarum FST1.7 (BR-FST1.7), Lactobacillus amylovorus FST2.11 (BR-FST2.11), and Limosilactobacillus reuteri R29 (BR-R29) in bread. The antifungal compounds in BR ingredients and the impact of BR on dough rheology, gluten development, and dough mixing properties were analysed. Additionally, their effects on the techno-functional characteristics, in vitro starch digestibility, and sensory quality of bread were determined. BR-UnF showed dough viscoelastic properties and bread quality comparable to the baker's flour (BF). BR-MG1 inclusion ameliorated bread specific volume and reduced crumb hardness. Breads containing BR-TR116 had comparable bread quality to BF, while the inclusion of BR-R29 substantially slowed microbial spoilage. Formulations containing BR-FST2.11 and BR-FST1.7 significantly reduced the amounts of sugar released from breads during a simulated digestion and resulted in a sourdough-like flavour profile. This study highlights how BR fermentation can be tailored to achieve desired bread characteristics.
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Affiliation(s)
- Emma Neylon
- School of Food and Nutritional Science, University College Cork, T12K8AF Cork, Ireland
| | - Laura Nyhan
- School of Food and Nutritional Science, University College Cork, T12K8AF Cork, Ireland
| | - Emanuele Zannini
- School of Food and Nutritional Science, University College Cork, T12K8AF Cork, Ireland
- Department of Environmental Biology, "Sapienza" University of Rome, 00185 Rome, Italy
| | - Aylin W Sahin
- School of Food and Nutritional Science, University College Cork, T12K8AF Cork, Ireland
| | - Elke K Arendt
- School of Food and Nutritional Science, University College Cork, T12K8AF Cork, Ireland
- APC Microbiome Ireland, University College Cork, Western Road, T12K8AF Cork, Ireland
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Tang N, Xing X, Li H, Jiao H, Ji S, Ai Z. Effect of Alkali on the Microbial Community and Aroma Profile of Chinese Steamed Bread Prepared with Chinese Traditional Starter. Foods 2023; 12:foods12030617. [PMID: 36766145 PMCID: PMC9914934 DOI: 10.3390/foods12030617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/23/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Alkali is an indispensable additive in Chinese steamed bread (CSB) production. This work aimed to evaluate the key roles of alkali in the microbial community of dough fermented using Chinese traditional starter (CTS) and the aroma profiles of CSB. The dominant fungi in CTS and fermented dough were members of the phylum Ascomycota and the genus Saccharomyces. Pediococcus, Companilactobacillus, and Weissella were the dominant bacterial genera in CTS and fermented dough. Adding alkali could retain the types of dominant yeasts and LAB derived from CTS, decrease the relative abundance of Companilactobacillus crustorum and Weissella cibaria, and increase that of Pediococcus pentosaceus, in fermented dough. Principal component analysis (PCA) indicated that adding alkali decreased the content of sourness-related volatiles in CSB fermented by CTS. Correlation analysis showed that Pediococcus and Weissella in fermented dough were positively correlated with the lipid oxidation flavor-related compounds in CSB, and Lactobacillus was positively correlated with sourness-related aroma compounds. Synthetic microbial community experiments indicated that CSB fermented by the starter containing P. pentosaceus possessed a strong aroma, and adding alkali weakened the flavor intensity. Alkali addition could promote the formation of ethyl acetate and methyl acetate with a pleasant fruity aroma in W. cibaria-associated CSB.
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Affiliation(s)
- Ning Tang
- College of Food Science and Technology, Henan Agricultural University, 63 Nongye Rd., Zhengzhou 450002, China
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
- National R&D Center for Frozen Rice&Wheat Products Processing Technology, Zhengzhou 450002, China
| | - Xiaolong Xing
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Huipin Li
- College of Food Science and Technology, Henan Agricultural University, 63 Nongye Rd., Zhengzhou 450002, China
- National R&D Center for Frozen Rice&Wheat Products Processing Technology, Zhengzhou 450002, China
| | - Honggang Jiao
- College of Food Science and Technology, Henan Agricultural University, 63 Nongye Rd., Zhengzhou 450002, China
- National R&D Center for Frozen Rice&Wheat Products Processing Technology, Zhengzhou 450002, China
| | - Shengxin Ji
- College of Food Science and Technology, Henan Agricultural University, 63 Nongye Rd., Zhengzhou 450002, China
- Key Laboratory of Staple Grain Processing, Ministry of Agriculture and Rural Affairs, Zhengzhou 450002, China
| | - Zhilu Ai
- College of Food Science and Technology, Henan Agricultural University, 63 Nongye Rd., Zhengzhou 450002, China
- National R&D Center for Frozen Rice&Wheat Products Processing Technology, Zhengzhou 450002, China
- Key Laboratory of Staple Grain Processing, Ministry of Agriculture and Rural Affairs, Zhengzhou 450002, China
- Correspondence: ; Tel./Fax: +86-371-63558150
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Plustea L, Negrea M, Cocan I, Radulov I, Tulcan C, Berbecea A, Popescu I, Obistioiu D, Hotea I, Suster G, Boeriu AE, Alexa E. Lupin ( Lupinus spp.)-Fortified Bread: A Sustainable, Nutritionally, Functionally, and Technologically Valuable Solution for Bakery. Foods 2022; 11:2067. [PMID: 35885310 PMCID: PMC9316204 DOI: 10.3390/foods11142067] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/04/2022] [Accepted: 07/08/2022] [Indexed: 02/04/2023] Open
Abstract
The purpose of this paper is to evaluate the nutritional, phytochemical, rheological, technological, and sensory properties of wheat flour dough and bread under a replacement of lupin flour at level 10, 20, and 30%. In this sense, the proximate composition, fatty acids profile, the content in total polyphenols content (TPC), antioxidant activity (AA), and flavonoids content (TFC) of lupin; wheat and flour composites; and the bread obtained from them were determined. The rheological properties of the dough using the Mixolab system were also evaluated. The results showed an improvement in the nutritional properties of bread with addition of lupin in the composite flour, especially in terms of proteins, lipids, and mineral substances and a significant increases of functional attributes, such as TPC, TFC, and AA, which recorded the highest values in the bread with 30% lupin flour (76.50 mg GAE/100 g, 8.54 mg QE/100 g, 54.98%). The decrease of lupin bread volume compared to wheat bread ranged between 0.69-7.37%, porosity between 6.92-35.26%, elasticity between 63-70%, and H/D between 3.17-19.05%. The rheological profile of the dough obtained with lupin flours indicates a moderate stability and proper kneading behavior. The sensory analysis was also performed in order to identify the consumer's acceptability regarding this type of bread. According to a 5-point hedonic scale, the most highly appreciated was the bread with 10% lupin flour, which obtained mean scores of 4.73 for general acceptability as compared with control bread (4.43).
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Affiliation(s)
- Loredana Plustea
- Faculty of Food Engineering, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300645 Timisoara, Romania; (L.P.); (I.C.); (E.A.)
| | - Monica Negrea
- Faculty of Food Engineering, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300645 Timisoara, Romania; (L.P.); (I.C.); (E.A.)
| | - Ileana Cocan
- Faculty of Food Engineering, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300645 Timisoara, Romania; (L.P.); (I.C.); (E.A.)
| | - Isidora Radulov
- Faculty of Agriculture, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300645 Timisoara, Romania; (I.R.); (A.B.); (I.P.)
| | - Camelia Tulcan
- Faculty of Horticulture and Forestry, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300641 Timisoara, Romania;
| | - Adina Berbecea
- Faculty of Agriculture, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300645 Timisoara, Romania; (I.R.); (A.B.); (I.P.)
| | - Iuliana Popescu
- Faculty of Agriculture, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300645 Timisoara, Romania; (I.R.); (A.B.); (I.P.)
| | - Diana Obistioiu
- Faculty of Veterinary Medicine, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300641 Timisoara, Romania; (D.O.); (I.H.)
| | - Ionela Hotea
- Faculty of Veterinary Medicine, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300641 Timisoara, Romania; (D.O.); (I.H.)
| | - Gabriel Suster
- Faculty of Management and Ago-Tourism, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300645 Timisoara, Romania;
| | - Adriana Elena Boeriu
- Faculty of Food and Tourism, Transilvania University of Brasov, 148 Castelului Str., 500014 Brasov, Romania;
| | - Ersilia Alexa
- Faculty of Food Engineering, Banat’s University of Agricultural Sciences and Veterinary Medicine, Calea Aradului No. 119, 300645 Timisoara, Romania; (L.P.); (I.C.); (E.A.)
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Olivares-Galván S, Marina M, García M. Extraction of valuable compounds from brewing residues: Malt rootlets, spent hops, and spent yeast. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Metabolite profile and antioxidant potential of wheat (Triticum aestivum L.) during malting. Food Chem 2022; 384:132443. [PMID: 35219230 DOI: 10.1016/j.foodchem.2022.132443] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 01/28/2022] [Accepted: 02/10/2022] [Indexed: 12/25/2022]
Abstract
In addition to barley, wheat malt is considered an important beer material because of the recent popularity of wheat beer in the global market. The changes in metabolite profiles and antioxidant potential of wheat samples collected every 24 h during malting were investigated. Dynamic metabolite changes through 1H NMR-based metabolomics approaches, quantitative individual phenolic acids by high-performance liquid chromatography and antioxidant potential by colorimetric methods were assessed. Orthogonal projection to latent structure with discriminant analysis showed that metabolites were responsible for discrimination of each malting stage for wheat. Phenolic acids, whose main component was ferulic acid, increased with time during wheat malting. Much higher phenolic acid contents were found in rootlets/acrospires than in the bodies of dried wheat malt. The overall results of this study provide novel information on changes in dynamic metabolites during wheat malting.
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Fărcaș AC, Socaci SA, Chiș MS, Pop OL, Fogarasi M, Păucean A, Igual M, Michiu D. Reintegration of Brewers Spent Grains in the Food Chain: Nutritional, Functional and Sensorial Aspects. PLANTS (BASEL, SWITZERLAND) 2021; 10:2504. [PMID: 34834863 PMCID: PMC8624837 DOI: 10.3390/plants10112504] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
Nowadays, the pandemic situation has encouraged the idea of sustainable healthy foods leading to new trends in food consumption. Brewers spent grain (BSG) represents a potential functional food rich in fiber, protein, lipids, mineral and phenols that needs to be further exploited. In this vein, five different BSG types were collected from local breweries and valorized in cookies manufacturing. Thus, proximate composition (protein, minerals, lipids, ash, crude fiber and carbohydrates) was analyzed using AACC (American Association of Cereal Chemists) methods, DPPH (2,2-Diphenyl-1-picrylhydrazyl), and Folin Ciocalteu methods were used to determined antioxidant activity and total phenols, while minerals and aroma volatile compounds were performed using inductively coupled plasma optical emission spectrometry (ICP-OES) and ITEX/GC-MS (in tube extraction gas chromatography-mass spectrometry) respectively. Color and physical characteristics, together with sensorial analysis, were also evaluated. The results highlighted a significant difference between BSG samples, mainly from the total phenols, antioxidant activity and aroma volatile compounds point of view. BSG volatiles compounds from the aldehydes group such as 2-methyl-propanal, 3-methyl-butanal and 2-methyl-butanal were identified also in the final baked goods, leading to a pleasant and appreciated consumers' taste and aroma. Furthermore, cookies sensorial analysis emphasized that the sample manufactured with BSG from light and dark malt mixture was more appreciated by consumers, attaining the highest hedonic scores.
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Affiliation(s)
- Anca Corina Fărcaș
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 3-5 Mănăştur Street, 400372 Cluj-Napoca, Romania; (S.A.S.); (O.L.P.)
| | - Sonia Ancuța Socaci
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 3-5 Mănăştur Street, 400372 Cluj-Napoca, Romania; (S.A.S.); (O.L.P.)
| | - Maria Simona Chiș
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 3-5 Mănăştur Street, 400372 Cluj-Napoca, Romania; (M.F.); (A.P.); (D.M.)
| | - Oana Lelia Pop
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 3-5 Mănăştur Street, 400372 Cluj-Napoca, Romania; (S.A.S.); (O.L.P.)
| | - Melinda Fogarasi
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 3-5 Mănăştur Street, 400372 Cluj-Napoca, Romania; (M.F.); (A.P.); (D.M.)
| | - Adriana Păucean
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 3-5 Mănăştur Street, 400372 Cluj-Napoca, Romania; (M.F.); (A.P.); (D.M.)
| | - Marta Igual
- Food Investigation and Innovation Group, Food Technology Department, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain;
| | - Delia Michiu
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, 3-5 Mănăştur Street, 400372 Cluj-Napoca, Romania; (M.F.); (A.P.); (D.M.)
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Nutritional, Sensory, Texture Properties and Volatile Compounds Profile of Biscuits with Roasted Flaxseed Flour Partially Substituting for Wheat Flour. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11114791] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The study aimed at assessing effects of partial replacement (0–40%) of wheat flour with roasted flaxseed flour (RFSF) on the quality attributes of biscuits. Nutritional, antioxidative, volatile and sensory properties, as well as texture analysis and the contents of macroelements and microelement were studied. Increasing RFSF content in biscuits resulted in a significant increase (p < 0.05) in protein (from 8.35% to 10.77%), fat (from 15.19% to 28.34%) and ash (from 1.23% to 2.60%) while the hardness and spread factor of the biscuits decreased with the increased level of roasted flaxseed flour. Moreover, the addition of 40% RFSF registered a positive influence on the fibre content of the final baked biscuits, increasing its value about 6.7-fold than in the control sample. Total phenolic content, antioxidant activity and biscuits’ aroma volatile profile increased their amounts with RFSF addition. The nutritional, textural and sensorial results of the present study demonstrated that 25% RFSF could be added in the biscuits manufacturing without affecting the biscuits aftertaste, offering promising healthy and nutritious alternative to consumers.
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Abstract
Barley rootlets are the most abundant by-product from the malting industry. Due to the inherent association of the malting industry with brewing and distilling industries, it is also considered a by-product of these industries. Barley rootlets are produced during the germination step of malting. These rootlets are a valuable source of nutrition, with protein and fibre holding a large proportion of their composition. Barley rootlets are generally pelletised and used as animal fodder; however, their usage may not be limited to this. Efforts have been made to utilise barley rootlets as food ingredients, sources of enzymes, antioxidants, raw materials in fermentations, and in biochar production. Conversion of this by-product into other/new applications would reduce waste production from their industry origin and reduce some of the impending environmental concerns associated with by-product production. The current review focuses on providing information on the formation, production, and processing of barley rootlets, while also highlighting the composition, quality, and potential applications of barley rootlets.
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Pop A, Păucean A, Socaci SA, Alexa E, Man SM, Mureșan V, Chiş MS, Salanță L, Popescu I, Berbecea A, Muste S. Quality Characteristics and Volatile Profile of Macarons Modified with Walnut Oilcake By-product. Molecules 2020; 25:E2214. [PMID: 32397336 PMCID: PMC7249020 DOI: 10.3390/molecules25092214] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/01/2020] [Accepted: 05/05/2020] [Indexed: 01/21/2023] Open
Abstract
Walnut oilcake is a low-cost by-product of the edible oil industry but at the same time it is a valuable source of dietary fiber, natural antioxidants, and polyunsaturated fatty acids. In the context of health-friendly confectionary food products and to reduce the production cost, the aim of this study was to investigate the effect of walnut oilcake by-product on the quality characteristics and volatile profile of modified macarons. For this purpose, GC-MS and ITEX/GC-MS techniques were used to obtain the fatty acids methyl esters and the volatile profiles; physicochemical analyzes were performed to determine the nutritional characteristics and a nine-point hedonic scale test was performed for the sensory characteristics. The substitution of almond flour with 0%, 10%, 25% and 50% walnut oilcake powder increased the fiber, total phenolic content, and antioxidant capacity. Hedonic scores of the macaron samples made with different percentage of walnut oilcake decreased to additions of over 10%. Moreover, this result is emphasized by Pearson's correlation parameters indicating as optimal addition for modified macarons, percentages up to 10% of walnut oilcake. This approach could reduce the costs related to the acquisition of the ingredients due to the oilcake price which is 3% of the almonds flour price.
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Affiliation(s)
- Anamaria Pop
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (A.P.); (S.M.M.); (V.M.); (M.S.C.); (S.M.)
| | - Adriana Păucean
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (A.P.); (S.M.M.); (V.M.); (M.S.C.); (S.M.)
| | - Sonia Ancuța Socaci
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (S.A.S.); (L.S.)
| | - Ersilia Alexa
- Department of Food Control, Faculty of Agro-Food Technologies, Banat University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania”, 300641 Timişoara, Romania;
| | - Simona Maria Man
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (A.P.); (S.M.M.); (V.M.); (M.S.C.); (S.M.)
| | - Vlad Mureșan
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (A.P.); (S.M.M.); (V.M.); (M.S.C.); (S.M.)
| | - Maria Simona Chiş
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (A.P.); (S.M.M.); (V.M.); (M.S.C.); (S.M.)
| | - Liana Salanță
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (S.A.S.); (L.S.)
| | - Iuliana Popescu
- Department of Soil Sciences, Faculty of Agriculture, Banat University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania”, 300641 Timişoara, Romania; (I.P.); (A.B.)
| | - Adina Berbecea
- Department of Soil Sciences, Faculty of Agriculture, Banat University of Agricultural Sciences and Veterinary Medicine “King Michael I of Romania”, 300641 Timişoara, Romania; (I.P.); (A.B.)
| | - Sevastiţa Muste
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania; (A.P.); (S.M.M.); (V.M.); (M.S.C.); (S.M.)
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Textural and Sensory Features Changes of Gluten Free Muffins Based on Rice Sourdough Fermented with Lactobacillus spicheri DSM 15429. Foods 2020; 9:foods9030363. [PMID: 32245079 PMCID: PMC7143808 DOI: 10.3390/foods9030363] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/12/2020] [Accepted: 03/15/2020] [Indexed: 12/12/2022] Open
Abstract
Gluten free products available on the market have a low textural quality associated with high crumbly structure, low-flavor, aroma, poor mouthfeel, less appearance, in comparison with the conventional final baked products. The aim of this study was to assess the influence of rice sourdough fermented with Lactobacillus spicheri DSM 15429 strain on textural, volatile profile, and sensorial properties of gluten free muffins in order to obtain baked goods with improved quality characteristics. Lactobacillus spicheri is a novel strain isolated from industrial rice sourdough but unexploited for bakery products manufacturing. The results showed that Lactobacillus spicheri DSM 15429 was able to growth in the rice flour influencing the texture and the volatile profile of gluten free muffins as well as their sensory characteristics. Both, textural parameters and volatiles recorded significant differences comparing to muffins obtained with a spontaneously fermented rice sourdough. Hardness and cohesiveness decreased while springiness and resilience of gluten free muffins improved their values. The volatile profile of gluten free muffins was significantly improved by utilization of the rice sourdough fermented with Lactobacilus spicheri DSM 15429. 3-methylbutanal, 2-methylbutanal, acetophenone and limonene were the main volatile derivatives responsible for aroma and odor scores of sensory analysis.
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