共查询到20条相似文献,搜索用时 15 毫秒
1.
Bernardo Ribeiro Carlos Cardoso Helena A. Silva Carmo Serrano Cristina Ramos Paulo C. Santos Rogério Mendes 《International Journal of Food Science & Technology》2013,48(1):10-21
Two groups of farmed meagre (Argyrosomus regius) sausages were studied regarding quality changes and antioxidant capacity during a 98‐day storage experiment at 2 ± 2 °C. Control sausages contained 3.9% (w/w) of inner pea dietary fibre (IPDF) and the other group contained 0.9% (w/w) IPDF plus 3.0% (w/w) of antioxidant grape dietary fibre (AGDF). The control and AGDF meagre sausages presented a high nutritional value, given their low caloric content, fatty acid profile, amino acid composition and high DF content. Both products were remarkably stable over storage time. The AGDF had an effective antioxidant capacity, proven not only by the radical scavenging activity (90.0–91.0% vs. 82.1–85.4%) and reducing power (8.13–9.10 mg ascorbic acid equivalent g‐1 vs. 4.16–4.24 mg ascorbic acid equivalent g?1) measurements, but also by the lower thiobarbituric acid reactive species (TBARS) values (0.78–1.10 vs. 1.50–2.08 mg malonaldehyde kg?1) over storage time. AGDF seemed to present antimicrobial effect, since on the 63rd day (beginning of significant microbial growth), the control sausages had more than 3 log CFU g?1 and AGDF sausages much <3 log CFU g?1. The sensory assessment pointed to some loss of textural quality, more accentuated in the AGDF sausages. 相似文献
2.
Dayana Pereira de Andrade Cíntia Lacerda Ramos Diego Alvarenga Botrel Soraia Vilela Borges Rosane Freitas Schwan Disney Ribeiro Dias 《International Journal of Food Science & Technology》2019,54(7):2355-2362
The probiotic strains Lactobacillus brevis CCMA1284 and Lactobacillus plantarum CCMA0359 were microencapsulated by spray drying using different matrices – whey powder (W), whey powder with inulin (WI) and whey powder with maltodextrin (WM). Viability of the microencapsulated strains in acid and bile juices and during 90 days of storage (seven and 25 °C) was evaluated. The two strains exhibited high encapsulation efficiency (> 86%) by spray drying. The different matrices maintained L. plantarum viability above six log CFU g−1 at 7 °C for 90 days, whereas similar results for L. brevis were observed only for W. The use of inulin as matrix of encapsulation did not enhance bacterial viability in the evaluated conditions. In general, the use of W and WM as matrices was effective for L. plantarum viability. However, only W was effective for L. brevis in the evaluated conditions. The spray drying technique was successfully adopted for the encapsulation of L. plantarum CCMA0359 and L. brevis CCMA1284 strains. 相似文献
3.
Navneet Kaur Amandeep Kaur Kandi Sridhar Minaxi Sharma Tajendra Pal Singh Shiv Kumar 《International Journal of Food Science & Technology》2021,56(10):5362-5370
Fruit and vegetable waste valorisation has opened opportunities for the utilisation of food waste for extraction and development of valuable functional foods. Therefore, the study was designed to develop a functional Kulfi fortified with encapsulated betalains extracted from red beetroot (Beta vulgaris L.) pomace. Moreover, fortified functional Kulfi samples were studied for physico-chemical, antioxidant, microbiological and sensory analyses. Fortified functional Kulfi reported the higher antioxidant activity (64.88% and 75.27%) with reduced melting rate (1.84 mL min−1 and 2.08 mL min−1) and microbial profile (3.77 log CFU g−1 and 3.14 log CFU g−1) compared with control. Sensory analysis showed a no significant (P > 0.05) impact on the overall acceptability of functional Kulfi (7.25) compared with the commercial Kulfi (7.20), which was further confirmed by a bi-plot of principal component analysis. Overall, the encapsulated betalains improved the quality characteristics of functional Kulfi and could be used for the development of frozen dairy products. 相似文献
4.
Manat Chaijan Kesinee Srirattanachot Mudtorlep Nisoa Ling-Zhi Cheong Worawan Panpipat 《International Journal of Food Science & Technology》2021,56(8):4000-4008
The potential applicability of β-carotene-loaded nanoemulsion (CNE) as a natural colorant in non-smoked sausage made from goat meat surimi-like material (GMS) was elucidated. The effect of CNE content (0–30 g 100 g−1) on the physicochemical characteristic, oxidative stability and β-carotene remaining during cold storage (4 °C) was determined. The higher the CNE, the greater the a*, b* and redness index with the lower L*, and colour likeness score. CNE content had a little impact on the moisture content, aw and pH of sausages over storage period. However, the expressible drip, breaking force and deformation were largely influenced by the CNE content. All CNE-containing sausages displayed a superior oxidative stability to control. Among CNE-incorporated samples, the lowest lipid oxidation and β-carotene degradation were noticeable in the sausage with 10 g 100 g−1 CNE. Thus, the CNE at 10 g 100 g−1 was a promising functional colorant for emulsion sausage made from GMS. 相似文献
5.
Encapsulation of probiotic Lactobacillus acidophilus by ionic gelation with electrostatic extrusion for enhancement of survival under simulated gastric conditions and during refrigerated storage
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Jeong Un Kim Bomi Kim Hafiz Muhammad Shahbaz Sung Hyun Lee Daseul Park Jiyong Park 《International Journal of Food Science & Technology》2017,52(2):519-530
The probiotic Lactobacillus acidophilus was encapsulated in biodegradable and biocompatible capsules prepared by ionic gelation between phytic acid (PA) and chitosan (CS) with an electrostatic extrusion method. Calcium carbonate (CaCO3) and starch were used as co‐encapsulants for improvement of capsule stability. Capsules were characterised and evaluated for survival of encapsulated L. acidophilus cells in simulated gastric fluid (SGF) and during refrigerated storage. Loading capacity values of PA‐CS capsules, PA‐CS‐starch capsules and PA‐CS‐CaCO3 capsules were 8.20, 8.12 and 7.81 log CFU g?1 of wet capsule, respectively. Capsules showed particle sizes of 1.3–1.5 mm and a uniform spherical shape. PA‐CS‐CaCO3 capsules were the most stable vehicles for the protection of probiotic cells against acidic damage, particularly at pH 1.5 and pH 2. L. acidophilus cells from PA‐CS‐CaCO3 capsules showed only a 0.64 log CFU reduction in numbers after 2 h in pH 1.5 SGF conditions. The numbers of L. acidophilus encapsulated in PA‐CS‐CaCO3 capsules were decreased by only 0.69 log CFU g?1, while PA‐CS capsules and PA‐CS‐starch capsule numbers were reduced by more than 1.45 log CFU g?1 after 4 weeks at 4 °C. Addition of calcium carbonate to PA‐CS capsules provided protection against acid injury via antacid and buffering effects for encapsulation of L. acidophilus. 相似文献
6.
Blanca Salinas‐Roca Ariadna Guerreiro Jorge Welti‐Chanes Maria D. C. Antunes Olga Martín‐Belloso 《International Journal of Food Science & Technology》2018,53(4):938-945
This study was aimed at evaluating the effect of coatings with alginate (AL), pectin (PE), carboxymethyl cellulose (CMC) or chitosan (CH) on microbial stability, physicochemical attributes, total phenolics and carotenoids content, antioxidant capacity and sensory properties of fresh‐cut mango during 14 days at 4 ± 1 °C. Coated fresh‐cut mango kept microbial counts below 6 logs CFU g?1, being CH‐coated fresh‐cut mango those that exhibited the lowest microbial counts (1 log CFU g?1) along entire storage. AL, PE and CMC coatings maintained yellow colour of fresh‐cut mango throughout storage. AL and CH coatings, which have different monomers in their chain, improved the content of antioxidant compounds in fresh‐cut mango as related to uncoated. AL‐coated fresh‐cut mangoes were the toughest, among those coated, during 14 days. The highest consumer acceptance was achieved in AL (90.2%) coated fresh‐cut mango. CH would be the most suitable coating to extend the quality of fresh‐cut mango throughout storage. 相似文献
7.
Effects of Pseudomonas chlororaphis and gaseous chlorine dioxide on the survival of Salmonella enterica on tomatoes
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Ocen Modesto Olanya Bassam A. Annous Janysha Taylor 《International Journal of Food Science & Technology》2015,50(5):1102-1108
Control of Salmonella enterica on tomatoes is important for food safety. The aim of this research was to evaluate the survival of Salmonella enterica serovars Montevideo (SM) and Typhimurium (ST) on tomatoes exposed to gaseous chlorine dioxide and Pseudomonas chlororaphis (Pc). Pc was applied to stem scars of tomatoes prior to inoculations with SM and ST. Tomatoes were treated with gaseous ClO2 at 0.4 mg L?1 for 2 and 4 h (90% R.H. 13 °C), respectively. At 4 h of ClO2 treatment, SM and ST populations were reduced to 0.82 and <0.30 log CFU g?1, respectively. Tomatoes treated with SM and ST had 5.42 and 5.37 log CFU g?1 of Salmonella. Tomatoes treated with Pc + Salmonella count was 2.59 (treated) and 5.83 log CFU g?1 (control). Salmonella survival was similar at 2 and 4 h of ClO2 treatment. Application of ClO2 and Pc may reduce contamination of tomatoes by Salmonella serovars. 相似文献
8.
Hayane Ferreira Leite Ladislau Thaísa Gabriela Silva de Farias Bruna Lúcia Mendonça Soares José Alberto da Costa Medeiros Natália Ferrão Castelo Branco Melo Thatiana Montenegro Stamford–Arnaud Thayza Christina Montenegro Stamford Tânia Lucia Montenegro Stamford 《International Journal of Food Science & Technology》2021,56(10):5395-5401
This research verified the ability of Lactobacillus rhamnosus encapsulated with inulin to tolerate the simulated digestive system and their viability in a soy blend. Probiotic encapsulated in alginate-chitosan matrix without inulin presented a better encapsulation efficiency (80.92%) than encapsulation with inulin (57.39%). On the 28th day, the count of probiotics decreased by 3.42 and 1.99 logarithmic cycles of free and encapsulated cells without inulin, respectively. In contrast, the microorganisms encapsulated with inulin showed an increase of 1.26 logs CFU g−1. During gastrointestinal simulation, cell counts decreased by 0.78, 1.55 and 1.95 CFU g−1 logs for encapsulated cells without inulin, free and encapsulated with inulin, respectively. Sensory panellists liked the fermented soy blend with encapsulated lactobacilli, and this result shows the possibility to create new probiotic foods of plant origin. Therefore, the alginate/chitosan matrix can be considered adequate for the encapsulation of L. rhamnosus. The inulin reduces the encapsulation efficiency and increases the cell loss in gastrointestinal simulation. Considering cellular losses, the best option for preparing a fermented soy blend is to use L. rhamnosus encapsulated without inulin. 相似文献
9.
Effects of electron beam irradiation on microbial inactivation and quality of kimchi paste during storage
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Seon Hwa Cheon Hye Young Seo Young Bae Chung Ho Hyun Chun 《International Journal of Food Science & Technology》2016,51(2):470-479
The effects of electron beam irradiation on microbial inactivation and quality of noninoculated and inoculated (Listeria monocytogenes) kimchi pastes were examined. Kimchi paste samples were irradiated at doses of 2, 4, 6, 8 and 10 kGy and stored for 21 days at 4 °C. Irradiation (10 kGy) reduced the populations of total aerobic bacteria, lactic acid bacteria, and yeast and moulds in the samples by 1.72, 2.24 and 0.86 log CFU g?1, respectively, compared to the control. In particular, coliforms were not detected at 8 and 10 kGy, and the population of L. monocytogenes in inoculated samples was significantly decreased by 2.67 log CFU g?1. Electron beam irradiation delayed the changes in O2 and CO2 concentrations, pH, acidity and reducing sugar content observed in kimchi paste during storage. These results suggest that electron beam irradiation can be used to improve the microbiological safety and shelf life of kimchi paste. 相似文献
10.
Aygül Küçükgülmez Ali Eslem Kadak Mehmet Gökçin 《International Journal of Food Science & Technology》2013,48(1):51-57
This study aims to determine the effects of chitosan obtained from Metapenaeus stebbingi shells on the shelf life of refrigerated gilthead sea bream. It was determined that 1% chitosan‐coated samples had the lowest thiobarbituric acid (TBA) (3.05 mg malondialdehyde (MDA) kg?1) and free fatty acids (FFA) value (2.79% oleic acid), while the control group had the highest TBA (5.08 mg MDA kg?1) and FFA value (6.13% oleic acid) on the 27th day of storage. In the last day of storage, TVB‐N was found higher in control group (25.62 mg 100 g?1) than chitosan‐coated samples (14.57 mg 100 g?1). Total viable count value of the control group exceeded maximum permissible limit on the 27th day of storage. However, it was lower than 7.0 log CFU/g in chitosan‐coated samples during the refrigerated storage. As a result of this study, it was determined that shelf life of refrigerated gilthead sea bream can be increased up to 27 days with chitosan. 相似文献
11.
Evaluation of physicochemical properties and microbial attributes of cooked sausages stuffed in casing modified by surfactants and lactic acid after immersion vacuum cooling and long‐term storage
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Chao‐Hui Feng Juan Francisco García Martín Cheng Li Bao‐Lin Liu Xiao‐Yan Song Qing‐Li Dong Wei Wang Yong Yang 《International Journal of Food Science & Technology》2016,51(10):2270-2279
The effects of different cooling methods [commercial cooling and immersion vacuum cooling (IVC)] and different casings (natural casing and modified casing) on colour, texture profile, pH, moisture content and bacterial growth of sausages stored for 21 days were evaluated by principal component analysis and discriminant analysis. Total viable count of sausages with natural casing‐IVC (4.03 log cfu g?1) was significantly lower than those of sausages with modified casing‐IVC (4.76 log cfu g?1) and modified casing‐commercial cooling (5.13 log cfu g?1) (P < 0.05) at day 21. According to discriminant analysis, sausages stored for 21 days were clearly differentiated from those stored for 5 and 16 days by gumminess. Sausages with natural casing‐IVC can be discriminated by gumminess from other treatments. The modified casing was conducive to the IVC system; however, the modified casing was unlikely to protect samples against microorganisms. 相似文献
12.
A cocktail of Listeria monocytogenes strains was inoculated into cooked chicken (∼2.2 × 103 CFU g−1) which was then pressure-treated (600 MPa/2 min/20 °C) and stored for up to 105 days at 8 °C. In addition, sodium lactate (2% w/w) or a pressure-resistant Weissella viridescens strain, known to have antilisterial activity, were added to the meat prior to inoculation with the pathogen and pressure treatment, to investigate the effect on Listeria survival.Pressure treatment alone was not sufficient to eliminate all of the Listeria. Numbers of survivors were initially below the level of detection (50 CFU g−1) but increased during storage to reach >108 CFU g−1 by day 21. The presence of W. viridescens significantly extended the lag phase of any Listeria that survived the initial pressure treatment by ∼35 days, but numbers then increased to reach ∼107 CFU g−1 by day 105. The addition of 2% sodium lactate in combination with pressure treatment was most effective at inhibiting the growth of L. monocytogenes and numbers remained below the limit of detection throughout the 105 day storage.The addition of antimicrobial agents, in combination with pressure, could be used to give additional food safety assurance without increasing pressure hold time. 相似文献
13.
Angela Michela Immacolata Montone Francesca Malvano Phuong Ly Pham Luciano Cinquanta Rosanna Capparelli Federico Capuano Donatella Albanese 《International Journal of Food Science & Technology》2022,57(8):5307-5318
In this study, the effect of alginate-based coatings charged with quercetin glycoside compounds and hydroxyapatite/quercetin glycoside compounds (HA/QUE) on the microbiological quality, and on bioactive compounds of fresh-cut papaya, was evaluated for 14 days at 6 °C. Alginate coatings with hydroxyapatite/quercetin showed a high capability to slow down the growth of all microbiological parameters investigated. At the end of cold storage, the total bacteria count in papaya samples covered with HA/QUE alginate coating was 4.8 log CFU g−1 which is significantly lower (P < 0.05) than 8.3 log CFU g−1 for uncoated samples. Total carotenoids’ percentage decrease, at the end of storage, was about 20% in papaya with active coatings, with respect to the losses of 39 and 35%, registered in uncoated and alginate-coated samples respectively. Vitamin C content and the antioxidant activity measured in papaya coated with HA/QUE alginate showed significantly higher values (P < 0.05) for each storage day than those detected for control- and alginate-coated samples. Based on the sensory evaluation, active-coated fresh-cut papaya reached, at the end of the storage period, suitable values for commercial purposes. 相似文献
14.
Ana Ramos‐Villarroel Nicoleta Aron‐Maftei Olga Martín‐Belloso Robert Soliva‐Fortuny 《International Journal of Food Science & Technology》2014,49(1):128-136
Intense light pulses (ILP) treatments have good prospects for becoming an alternative to traditional thermal methods for decontamination of food surfaces. The aim of this work was to evaluate which ranges of the light spectrum are responsible for bacterial inactivation and their effect on the quality of fresh‐cut avocado. Results show that the effectiveness of ILP treatment decreases when the ultraviolet (UV) spectral region is blocked (particularly UV‐C). ILP treatments without UV‐C light (305–1100 nm) and an overall fluence of 10.68 J cm?2 caused reductions of 2.47 and 1.35 log CFU g?1 in the initial counts of inoculated Escherichia coli and Listeria innocua, respectively, in comparison with those treated using only VIS–NIR light (0.83 and 0.68 log CFU g?1, respectively). Treatments applying light of a wavelength between 305 and 1100 nm had a more pronounced impact on colour, texture and headspace gas composition than treatments that did not contain UV light (400–1100 nm). 相似文献
15.
《Food microbiology》2002,19(2-3):175-182
The aim of this study was to develop novel preservation systems for chilled, comminuted pork products that are sold raw using the natural compound chitosan (polymeric ß -1,4- N -acetylglucosamine). In vitro testing showed that viable numbers of Saccharomycodes ludwigii were reduced by up to 4 log cfu ml−1 on exposure to 0·05% chitosan in 0·9% saline at pH 6·2. Higher concentrations of chitosan (0·25 and 0·5%) were required to achieve similar levels of inactivation withLactobacillus viridescens, Lac. sake and Listeria innocua. Torulaspora delbrueckii and Salmonella enteritidis PT4 were resistant to chitosan at the concentrations tested in this study (up to 0·5%). Trials in real foods showed that dipping of standard and skinless pork sausages in chitosan solutions (1·0%) reduced the native microflora (total viable counts, yeasts and moulds, and lactic acid bacteria) by approximately 1–3 log cfu g−1 for 18 days at 7°C. Chitosan treatment increased the shelf-life of chilled skinless sausages from 7 to 15 days. Addition of 0·3 and 0·6% chitosan to an unseasoned minced pork mixture reduced total viable counts, yeasts and moulds, and lactic acid bacteria by up to 3 log cfu g−1 for 18 days at 4°C compared with the untreated control. The results indicated that chitosan was an effective inhibitor of microbial growth in chilled comminuted pork products. 相似文献
16.
Ajay Mittal Avtar Singh Soottawat Benjakul 《International Journal of Food Science & Technology》2021,56(8):3795-3806
Treatments of chitosan-epigallocatechin gallate (CE) conjugate nanoliposome (CELP) and unencapsulated CE conjugate (UNCE) at different concentrations (0.025 and 0.05 g 100 g−1) on quality and shelf-life of Asian sea bass slices (ASB-S) kept at 4 °C were studied. Total viable count of ASB-S treated with 0.05 g 100 g−1 CELP (SB-CELP-0.05) was less than permissible limit (6 log CFUg−1 sample) within 15 days. Moreover, SB-CELP-0.05 sample had the lowest pathogenic and spoilage bacterial count than remaining samples during the storage (P < 0.05). Lower thiobarbituric acid reactive substances and peroxide values were obtained for SB-CELP-0.05 sample than those treated with 0.05 g 100 g−1 UNCE (SB-UNCE-0.05) at the end of storage (P < 0.05). The result was also advocated by higher polyunsaturated fatty acid content of SB-CELP-0.05 than SB-UNCE-0.05 (P < 0.05). Therefore, CELP efficiently extended ASB-S shelf-life with high consumer acceptability at 4 °C for minimum 12 days, whereas control had the shelf-life less than 6 days. 相似文献
17.
Claudia M. Asensio Patricia R. Quiroga Qingrong Huang Valeria Nepote Nelson R. Grosso 《International Journal of Food Science & Technology》2019,54(1):149-160
Hake (Merluccius hubbsi) is the most important fish of Argentinean industry. The preservative effects of an oregano essential oil (EO) nanoemulsion (NE) on hake burgers (FB) during 15 days at 4 °C were studied. Fatty acids determined by gas chromatography coupled with mass spectrometry (CG-MS), volatile compounds determined by solid phase microextraction (SPME) coupled with CG-MS, total volatile basic nitrogen (TVBN), and microbial count was measured. ANOVA and DCG tests were performed. After 14 days, significant differences were detected among samples (P ≤ 0.05). FB with EO (EO-FB) and FB with NE containing EO (NEEO-FB) had the highest content of EPA (eicosapentaenoic acid) (191.82 and 198.42 g kg−1) and DHA (docosahexaenoic acid) (107.97 and 110.87 g kg−1, respectively). Also, NEEO-FB had the lowest microbial count (7 log CFU g−1). The incorporation of the oregano essential oil into a nanoemulsion improves the preserving activity in hake fish burgers. 相似文献
18.
In this study, Chinese-style sausages were subjected to air, vacuum or nitrogen packaging and stored at either 5 or 25°C. The survival characteristics of Escherichia coli O157: H7 during the storage period were determined. Results revealed that, when stored at 5°C, the number of viable E coli O157: H7 in sausages decreased slowly as the storage period extended, regardless of packaging methods. E coli O157: H7 in sausages decreased from an initial population of ca 5·97 log CFU g−1 to ca 4·42–4·81 log CFU g−1 after 40 days of storage at 5°C. It was also found that viable cells of E coli O157: H7 declined more rapidly in sausage stored at 25°C than at 5°C. No viable E coli O157: H7 was detected in either vacuum-packed or nitrogen-packed sausage after 40 days of storage at 25°C. On the other hand, the population of E coli O157: H7 reduced to non-detectable levels in air-packed sausages after 20 days of storage. Refrigerated storage and vacuum or nitrogen packaging provided conditions that slowed down the death rate of E coli O157: H7 in sausage. Furthermore, it was noted that, among the curing agents tested, NaCl exerted the most significant lethal effect on E coli O157: H7 in sausage during the storage period. © 1998 Society of Chemical Industry. 相似文献
19.
Yanqing Wang Rui Liu Qingfeng Ge Mangang Wu Baocai Xu Jun Xi Hai Yu 《International Journal of Food Science & Technology》2021,56(1):374-383
This study aimed to evaluate the effect of branched-chain amino acids (BCAAs, leucine, isoleucine and valine) combined with Lactobacillus plantarum CGMCC18217 (L. plantarum) on the flavours and quality of fermented sausages. The parameters included pH, water activity, colour, texture, BCAAs metabolites and flavour compounds of fermented sausages in eight different groups (sausages with L. plantarum and individual BCAAs, that is L + Leu, L + Ile and L + Val groups; sausages with individual BCAAs, that is the Leu, Ile and Val groups; sausages only with L. plantarum assigned as the L group; and sausages with no L. plantarum and BCAAs assigned as the CK group). The results showed that the addition of BCAAs and L. plantarum significantly increased the hardness, cohesiveness and springiness of sausages. A total of sixty-nine flavour compounds were identified in fermented sausages. The content of methyl-branched alcohols, aldehydes, acids in the L. plantarum and BCAAs group significantly increased compared with the other groups (P < 0.05). Therefore, our data suggest the addition of L. plantarum and BCAAs potentially improved the texture of fermented sausages and formation of volatile flavours. 相似文献
20.
Ruta Vaitkeviciene Daiva Zadeike Zydrune Gaizauskaite Kristina Valentaviciute Mindaugas Marksa Ramute Mazdzieriene Elena Bartkiene Vita Lele Grazina Juodeikiene Valdas Jakstas 《International Journal of Food Science & Technology》2022,57(3):1462-1472
A probiotic nutraceutical based on functionalised rice bran (RB) supplemented with lingonberry (Vaccinium vitis-idaea L.) pulp (LP) at various levels (10–50 g/100 g d.w.) was developed. Prior to immobilisation of lactic acid bacteria (LAB) cells, RB-LP matrix was structured by ultrasound (US) (850 kHz; power 160 W) for 20 min at 40 °C. Xanthan gum and sodium alginate were used for the stabilisation of RB-LP matrix. Survival and fermentative activity of the immobilised LAB cells was studied by monitoring pH, cell number, antimicrobial activity, lactic acid and acetic acid production. US treatment increased by 17.5% soluble dietary fibre (SDS) contents in RB but reduced on average by 49.9% hyperoside, quercetin, quercitrin and coumaric acid contents in LP material. RB substrate supplemented with LP (20–50 g/100 g d.w.) resulted in higher antimicrobial activity against Escherichia coli, Salmonella typhimurium and Staphylococcus aureus for Lactobacillus brevis, and against Bacillus cereus and Staphylococcus aureus for Pediococcus acidilactici. RB-LP matrix stabilised with alginate–xanthan and alginate maintained 8.09–8.67 log CFU g−1 live cells of immobilised L. brevis after 7 weeks of storage at 4 °C. In the case of protection under simulated in vitro digestion conditions, RB-LP gels with sodium alginate demonstrated the highest cell survival with 4.25 CFU g−1 viable cells remaining in the product and 5.23 log CFU g−1 live cells in the digestion medium. 相似文献