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  • 1985-1989  (3)
  • 1980-1984  (3)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 45 (1980), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Bean fractions containing 4–83% protein were prepared from mung beans, pea beans, and red kidney beans by aqueous extraction followed by acid precipitation. The yields of bean fractions containing the highest concentration of protein ranged from 64–76% depending on the beans used. Amino acid scores of the bean fractions compared favorably with those of the FAO reference pattern of amino acids. The sulfur amino acids, methionine, and cystine were first limiting in the bean fractions. In addition, the fractions prepared from mung beans were also deficient in threonine.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-0972
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Description / Table of Contents: Résumé Saccharomyces rouxii est un micro-organisme essentiel dans la fermentation des sauces de soja japonaises (shoyu, miso). Son activité optimale nécessite des concentrations en NaCl élevées, allant jusqu' à 18% (poids/volume), ou même davantage lorsque le pH du substrat est inférieur à 5,0. A pH 7,0 ou 4,5,S. rouxii se développe beaucoup plus rapidement et abondamment en présence qu'en l'absence de sel. Les cellules cultivées en présence de NaCl sont plus petites que celles cultivées sans sel. Du fait à la fois de leur surface moindre et de leur membrane plus épaisse, leur perméabilité passive est diminuée. Leurs teneurs en protéine brute, lipides totaux et glycérol sont sensiblement plus élevées. La teneur des cellules en lipides est déterminée par la pression osmotique, que celle-ci dépende de la concentration du milieu en NaCl ou en sucre. D'autre part, les cellules cultivées avec 18% de NaCl contiennent beaucoup moins de K+ et retiennent moins bien le potassium et le sodium que les cellules cultivées sans sel. L'activité triose-phosphate isomérase des cellules cultivées avec 18% de NaCl est supérieure à celle des cellules cultivées sans addition de sel.
    Abstract: Resumen Saccharomyces rouxii es un microorganismo esencial en los procesos fermentativos japoneses shoyu miso y de obtención de salsa de soja. La parte más importante de la actividad de esta levadura se desarrolla en medios con una elevada concentración de sal (hasta más de 18%) y pH inferiores a 5.0.Saccharomyces rouxii creció más rapidamente y alcanzó concentraciones celulares mayores en un medio sin sal que en un medio con 18% de sal, tanto a pH 7.0 como a pH 4.5. Las células desarrolladas en el medio con sal fueron de tamaño inferior que las obtenidas en el medio sin sal. La menor superficie de estas últimas combinada con un mayor espesor de su membrana celular resultan en una disminución del transporte pasivo. El contenido proteíco de las células desarrolladas en el medio sin sal fue de 36.0% contra 49.5% en las células obtenidas en el medio con 18% de NaCl y 43% en células desarrolladas en medios con un contenido en sal entre 6 y 12%. Las células obtenidas en un medio sin sal retuvieron de forma similar su contenido en Na+ y K+ independientemente de la solución de lavado y de la temperatura empleadas. El contenido de Na+ fue de 0.04–0.06 mg Na/g de materia seca y el de K+ 7.78–10.04 mg K/g de materia seca. Las células desarrolladas en un medio con adición de sal contenían menor cantidad de K+ (0.48–4.77 mg/g de materia seca) variando con las condiciones de lavado. Se observó que las células obtenidas en el medio con 18% de NaCl contenían más lípidos totales (10.13%) comparadas con las células desarrolladas sin sal (6.22%). La cantidad total de fosfatidilcolina y sus liso derivados fue de 72% para las células del medio salado contra 58% en las células sin sal. El contenido lipídico de las células refleja la presión osmótica, ya sea esta producto de la concentración de NaCl o de azucar. Al incrementar el contenido en sal de el medio desde 0–6% hasta 12–18% el contenido intracelular de glicerol aumentó proporcionalmente de 0.429–1.014 hasta 1.107–1.668 mg%. El contenido en triosafosfatoisomerasa de las células crecidas en el medio con 18% NaCl fue de 66.94 unidades/mg de proteína comparado con 42.82 unidades/mg de proteína en las células obtenidas en el medio sin adición de sal.
    Notes: Summary Saccharomyces rouxii is an essential micro-organism in the soy sauce/Japanese shoyu/Japanese miso fermentations. Its major activity occurs under conditions of high NaCl content, up to 18% or higher when the pH of the substrate is below 5.0.Saccharomyces rouxii grew much more rapidly and to higher cell population levels in the absence of added salt than with 18% (w/v) NaCl at either pH 7.0 or 4.5. Cells grown with 18% salt were smaller than those grown without added salt. Lower surface area combined with a thicker membrane decreased passive permeability. Growth in the presence of salt resulted in higher content of crude protein, total lipids, phosphatidyl choline and glycerol. The lipid content of the cells reflected the osmotic pressure whether it was caused by NaCl or sugar concentration in the medium. On the other hand, the cells grown in the presence of 18% NaCl contained much less K+ and retained potassium and sodium less efficiently. The triosephosphate isomerase (TPI) activity of cells grown in 18% NaCl medium was consistently higher than that of cells grown without added salt.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0138-4988
    Keywords: Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: A dry white wine with an alcoholic content of 10 to 14% v/v was produced by yeast fermentation of slurried ground soybeans, soybean milk and whey from tofu production. Wines from whey and soybean milk were judged by a 20 member taste panel to be acceptable and comparable to a commercial chablis control. Chemical analysis indicated that the high fat and protein contents of soybeans do not cause a problem in the production of wines from soybeans as the lipids and proteins are precipitated by the acid and alcohol formed during the fermentation. The less recovered following fermentation were dehydrated and ground to a flour having an enriched protein content due to the yeasts and an improved flavor resulting from the yeast fermentation.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 9 (1989), S. 9-16 
    ISSN: 0138-4988
    Keywords: Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Calcium in soymilk was increased to that of human milk by the addition of 0.2% calcium lactate. It was, however, impossible to raise the calcium content of soymilk to that of cow's milk. The maximum amount of calcium lactate that could be added to soymilk without coagulation of the milk protein was found to be 0.45% which resulted in about 75 mg of Ca/100 ml of soymilk. This amount was approximately 60% of the calcium in cow's milk. Sodium citrate had to be added in combination with calcium lactate to reinforce colloidal stability of the milk. The ratio of Ca to P in the milk containing added 0.45% calcium lactate was comparable to that of cow's milk and at the amount normally consumed daily by infants and children it seemed to meet the requirements of Ca and P.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 4 (1984), S. 83-88 
    ISSN: 0138-4988
    Keywords: Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: “Solid-substrate” fermentation developed in the Orient is a very useful fermentation method. It is presently used to produce a variety of foods, beverages and related products. Solid-substrate fermentation products utilizing fungi including soy sauce, miso and tempe, ontjom, sake, and bread have been produced for centuries at the home and village level. They are examples of economical methods of preserving and improving the flavor, texture and nutritive values of cereal/legume substrates. “Solid-substrate” fermentation is also applied to animal products such as milk to produce Roquefort and Camembert cheeses which diversify the food flavors available to man“Solid-substrate”fermentation has certain advantages. The substrate is concentrated; the product can be extracted with relatively small quantities of solvent; the product can be easily dehydrated; moisture level can be controlled favoring the desired organisms; enzyme concentration is generally higher than is submerged fermentation; product concentration is generally higher than in submerged cultures; it is the only technique that yields true mushroom fruiting bodies and it can be used not only for production of crude enzyme concentrates (koji) but also for raising the protein content of high starch substrates. It also can be used to increase the content of vitamins at low cost. Disadvantages of “solid-substrates”from the modern industrial processing view point are the greater difficulty of handling solid substrate and the greater difficulty of controlling the fermentation parameters, temperature, pH and oxygen, and rate of microbial growth compared with liquid submerged fermentations.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Berlin : Wiley-Blackwell
    Acta Biotechnologica 3 (1983), S. 3-12 
    ISSN: 0138-4988
    Keywords: Life Sciences ; Life Sciences (general)
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Asia is rich in resources which can contribute widely to food processing and production over the next 207-50 years as world population reaches 6 billion. The world needs low cost methods of providing nutritious proteinrich meat analogues for its thousands of millions of consumers. The Indonesian tempe fermentation will serve as a model. A bacterium present in commercial tempe can be used to add vitamin B-12 to other vegetarian foods. Fuel requirements for cooking can be decreased by applying a fungal fermentation of the tempe/ontjom type to legume substrates. The world needs high quality meat-flavors derived from vegetable protein. The soy sauce (kecap)/miso (tauco) processes and the fish/shrimp sauce and paste processes can be modified to yield a wide variety of meat-like flavors for use in formulating new foods. The protein content of high starch substrates can be increased by applying the Indonesian tape fermentation. Leavened sour-dough bread-like products can be produced without the use of wheat or ryeflours using the Indian idli/dosai fermentation. Coconut protein, if extracted without denaturing, can serve as a valuable base for a new type of puddings and related foods. Finally Asia is an almost endless source of cultures of edible microorganisms that, with further study of their synthetic abilities, particularly regarding amino acids and vitamins, could lead to new industries.
    Type of Medium: Electronic Resource
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