A new maltogenic amylase from Bacillus licheniformis R-53 significantly improves bread quality and extends shelf life

2020 ◽  
pp. 128599
Author(s):  
Yingqi Ruan ◽  
Yan Xu ◽  
Wenchi Zhang ◽  
Rongzhen Zhang
2013 ◽  
Vol 67 (3) ◽  
Author(s):  
Ľubomír Mikuš ◽  
Mária Kováčová ◽  
Ladislav Dodok ◽  
Alžbeta Medveďová ◽  
Lucia Mikušová ◽  
...  

AbstractThis study compares two types of enzymes: maltogenic amylase (Novamyl 10000 BG) and lipase (Lipopan F BG, Lipopan Xtra BG), both separately and in combination, and seven hydrocolloids (guar gum, xanthan gum, carrageenan, β-glucan, carob gum, and carboxymethyl cellulose (CMC)) on the physical and sensory properties of a bakery product (white wheat bread). Their effect was observed on the baking characteristics of volume, specific volume, shape, mass, shelf-life (penetration and water activity test), and overall taste. The best results in shelf-life extension from the hydrocolloids were shown by β-glucan, a combination of xanthan gum + carrageenan and guar gum. From the enzymes, the best results were achieved with Lipopan Xtra BG and Novamyl 10000 BG + Lipopan F BG combination. The sensory properties (e.g. taste, colour, shape, aroma, elasticity, hardness) were evaluated by ten trained panellists, holding certification in sensory analysis. β-Glucan and Novamyl 10000 BG + Lipopan F BG combination increased the bread volume significantly and also were deemed to afford the most favourable taste.


1999 ◽  
Vol 5 (3) ◽  
pp. 263-273 ◽  
Author(s):  
M.A. Martínez-Anaya ◽  
A. Devesa ◽  
P. Andreu ◽  
C. Escrivá ◽  
C. Collar

The influence of commercial enzymes and starters on white wheat bread quality and keeping proper ties (microbial and physical shelf life) has been studied. Two different quality flours, two enzymes (α- amylase/pentosanase, lipase and their mix), and three microbial starters were used to formulate twenty four breads. The combination of enzymes and starter resulted in beneficial effects greater than those obtained when each technological aid was used in a single way. The effect was mostly stressed when low grade wheat flour was used; in this case, specifically designated combinations facilitated loaves of improved volume and shape, and a crumb texture with initial values and rate of staling close to those found with a high quality flour.


2015 ◽  
Vol 92 (4) ◽  
pp. 370-377 ◽  
Author(s):  
Vivian Adams ◽  
Sanaa Ragaee ◽  
El-Sayed M. Abdel-Aal

2005 ◽  
Vol 59 (9-10) ◽  
pp. 235-237
Author(s):  
Dragisa Savic ◽  
Natasa Jokovic

The baking of sourdough breads represents one of the oldest biotechnological processes. Despite traditionality, sourdough bread has great potential because of its benefits. Sourdough is a mixture of flour and water that is dominated by a complex microflora composed of yeasts and lactic acid bacteria that are crucial in the preparation of bread dough. Lactic acid bacteria cause acidification by producing lactic acid that increases the shelf life of bread by preventing the growth of undesirable microorganisms and affects the nutritional value of bread by increasing the availability of minerals. In addition to these advantages, the use of sourdough fermentation also improves dough machinability, breadcrumb structure and the characteristic flavour of bread. Lactic acid bacteria in sourdough fermentation are well known representing both homofermentative and heterofermentative bacteria. They may originate from selected natural contaminants in the flour or from a starter culture containing one or more known species of lactic acid bacteria. Sourdough can be cultivated in bakeries or obtained from commercial suppliers. However, many bakeries in Europe still use spontaneously fermented sourdoughs, which have been kept metabolically active for decades by the addition of flour and water at regular intervals. The impact of lactic acid bacteria on sourdough fermentation and their influence on dough and bread quality was discussed on the basis of research and literature data.


Foods ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 2054
Author(s):  
Maite Cristina Alava Vargas ◽  
Senay Simsek

Bread is considered a staple food worldwide, and therefore there is much interest in research around the topic. The bread industry is usually looking for ways to improve its formulations. Therefore, other ingredients such as dough conditioners, crumb softeners, emulsifiers, and surfactants can be added to enhance bread quality. These ingredients perform functions such as helping standardize processes in the industry, reducing dough-mixing time, increasing water absorption, improving bread quality, and extending its shelf life. Consumers are concerned about the effect of these ingredients on their health, and this has increased the popularity of clean-label bread formulations. A clean label generally indicates that a product is free of chemical additives, has an ingredient list that is easy to understand, has undergone natural or limited processing, and/or is organic and free of additives or preservatives. However, there is no scientific definition of the term “clean label.” Researchers have focused on these clean-label initiatives to replace dough strengtheners and preservatives in bread formulations and give consumers what they perceive as a healthier product.


Author(s):  
O. A. Pivovarov ◽  
S. Y. Mykolenko

The article was devoted to an innovative approach of improving bakery products quality through using an activated water, exposed to the action of contact non-equilibrium (cold) plasma. Wheat bread quality characteristics were presented during using the plasma-chemically activated water combined with wheat flour of poor baking properties. It is shown that the treatment of water with contact non-equilibrium plasma leads to an improvement in the consumer qualities of bread, an increase in its resistance to microbiological spoilage. The wheat bread made with the plasma-chemically activated water presented the possibility to prolong the shelf-life of the product, helping to decrease losses and waste during the bread food chain.


2012 ◽  
Vol 21 (4) ◽  
pp. 1105-1112 ◽  
Author(s):  
Ines Mnif ◽  
Souhail Besbes ◽  
Raoudha Ellouze ◽  
Semia Ellouze-Chaabouni ◽  
Dhouha Ghribi

2002 ◽  
Vol 68 (4) ◽  
pp. 1658-1664 ◽  
Author(s):  
Hiroshi Kamasaka ◽  
Kazuhisa Sugimoto ◽  
Hiroki Takata ◽  
Takahisa Nishimura ◽  
Takashi Kuriki

ABSTRACT The specificity of Bacillus stearothermophilus TRS40 neopullulanase toward amylose and amylopectin was analyzed. Although this neopullulanase completely hydrolyzed amylose to produce maltose as the main product, it scarcely hydrolyzed amylopectin. The molecular mass of amylopectin was decreased by only one order of magnitude, from approximately 108 to 107 Da. Furthermore, this neopullulanase selectively hydrolyzed amylose when starch was used as a substrate. This phenomenon, efficient hydrolysis of amylose but not amylopectin, was also observed with cyclomaltodextrinase from alkaliphilic Bacillus sp. strain A2-5a and maltogenic amylase from Bacillus licheniformis ATCC 27811. These three enzymes hydrolyzed cyclomaltodextrins and amylose much faster than pullulan. Other amylolytic enzymes, such as bacterial saccharifying α-amylase, bacterial liquefying α-amylase, β-amylase, and neopullulanase from Bacillus megaterium, did not exhibit this distinct substrate specificity at all, i.e., the preference of amylose to amylopectin.


EFSA Journal ◽  
2020 ◽  
Vol 18 (1) ◽  
Author(s):  
◽  
Vittorio Silano ◽  
José Manuel Barat Baviera ◽  
Claudia Bolognesi ◽  
Pier Sandro Cocconcelli ◽  
...  

Pro Food ◽  
2017 ◽  
Vol 3 (1) ◽  
pp. 186
Author(s):  
Mutia Devi Ariyana ◽  
Sri Widyastuti ◽  
Nazaruddin Nazaruddin ◽  
Baiq Rien Handayani ◽  
Wiharyani Werdiningsih ◽  
...  

Bread is made and eaten in most countries around the world. Nowadays, the use of additives has became a common practice in the baking process to improve the bread quality. Nevertheless, addition of excessive artificial food additives have been linked to various health risks. Increasing in awareness of healthy food was stimulate various researches to found the food additives that safely used in the baking process, include the hydrocolloid which extracted from seaweed as the main commodity of West Nusa Tenggara. The aim of this work was to analyse the effect of iota-carrageenan extracted from Euchema spinosumaddition to improve the bread quality, safety and shelf-life during the storage periode. Up to date, no systematic study has been reported on the effect of iota-carrageenan as a natural food additive in the baking process. Based on the observation and experimental data, generally the addition ofiota-carrageenan was significantly affect the bread volume, elasticity, water content, crumb structure and texture, gas cell diameter and sensory parameter compared to the control. Iota-carrageenan at 0.4% concentration increased the bread volume by reduced the gas cell diameter that created the uniform matrix to prevent the gas lose during the baking process, same as the effect of bread improver addition. This level of consentration could also delayed the staling process by retarded the moisture migration to the surface that prevent the reduction of water content and elasticity during 96 hours storage of a bread. Sensory evaluation by a costumer panel gave the higher score for overall acceptability to the bread formulation added with iota-carrageenan compared to the control. The overall results showed that the iota-carrageenan potentially used as a natural bread improver to substituted the artificial food additives that widely used in baking process. Keywords: bread, improver, iota carrageenan, shelf-life, food safety   ABSTRAK Roti merupakan bahan makanan yang sangat banyak dikonsumsi di dunia. Saat ini, penambahan berbagai Bahan Tambahan Makanan (BTM) umum dilakukan untuk meningkatkan kualitas roti. Akan tetapi, penambahan BTMsintetis secara berlebihan dapat membawa berbagai konsekuensi kesehatan. Meningkatnya kesadaran akan pentingnya makanan sehat mengakibatkan semakin berkembangnya pencarian BTM yang aman pada proses pembuatan roti, salah satunya adalah hidrokoloid hasilekstraksi dari rumpul laut yang merupakan komoditas unggulan di provinsi NTB. Penelitian ini bertujuan untuk mempelajari pengaruh penambahaniota karaginan yang diekstraksi dari Euchema spinosumdalam meningkatkan kualitas, keamanan dan memperpanjang masa simpan roti. Saat ini belum ada laporan mengenai penggunaan iota karaginan sebagai BTM pada proses pembuatan roti. Berdasarkan hasil pengamatan dan data parameter yang diuji, penambahan iota karaginan pada adonan roti memberikan pengaruh yang signifikan pada volume pengembangan, elastisitas, kadar air, struktur dan tekstur crumb, diameter pori dan parameter sensoris roti.Iota karaginan dapat meningkatkan persentase volume pengembanganterutama pada konsentrasi 0,4% dengan memperkecil diameter pori roti yang dihasilkan sehingga menciptakan suatu matriks yang seragam dan dapat bertindak sebagai perangkap untuk mencegah gas CO2 terlepas selama proses pemanggangan, serupa dengan pengaruhbread improver.Penambahan iota karaginan 0,4% juga memperlambat migrasi kelembaban menuju permukaan sehingga menghambat penurunan kadar air dan elastisitas roti hingga 96 jam masa simpan.  Hasil uji organoleptik juga menunjukkan bahwa roti dengan penambahan iota karaginan lebih disukai. Peningkatan kualitas dan daya simpan roti dengan penambahan iota karaginan menunjukkan bahwa hidrokoloid jenis ini memiliki potensi untuk dikembangkan sebagai bread improver yang lebih terjamin keamanannya dibandingkan dengan bread improver sintetis yang saat ini digunakan dalam proses pembuatan roti. Kata kunci: roti, pengembang, iota karaginan, daya simpan, keamanan pangan


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