Ein Stoffwechselkäfig für Ratten

Schiller, Kläre

doi:10.1111/j.1439-0396.1960.tb00875.x

Cited by 17 publications

(1 citation statement)

References 2 publications

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“…The animals were housed in individual metabolic cages; those were employed for rats, comprised an upper living area with feeding system and below a device for the collection of urine and feces. The cages were similar in construction to those described by Schiller [1960] at a room temperature of 25°C and 65% relative humidity, with a 12-h light-dark cycle. The animals were divided into 8 equal groups.…”

Section: Methodsmentioning

confidence: 99%

Health stimulating properties of the most popular soft cheese in Egypt Kariesh made using skimmed milk UF-retentate and probiotics

Fayed

Farahat

Metwally

et al. 2014

Acta Sci Pol Technol Aliment

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Background. Soft skimmed-milk cheese Kariesh is the most popular soft cheese in Egypt. In the past, Karish cheese was traditionally produced by the random fermentation of milk speared its cream layer by the gravity force. Recently, its production has been carried out by several manufacturing procedures using, ultrafi ltration (UF) -skimmed milk retentate, certain bacterial cultures, enzymatic coagulation, etc. Therefore, the biological and nutritional evaluations are required. The present study was conducted to evaluate the properties of such cheese coagulated using different procedures involving probiotic strains with emphasis on some chemical and biological attributes. Material and methods. Kariesh cheeses were manufactured without whey drainage from UF cow's skimmed milk concentrate coagulated either by 3% yoghurt bacterial starter culture (YC), 3% probiotic starter culture (ABT type) or 2.5% glucono delta lactone (GDL) added whether separately or incorporated with rennet (0.05 ml/kg) to achieve the acidic-enzymatic coagulation in comparison with those made conventionally using un-concentrated milk coagulated either by 2% of YC or ABT added whether separately or incorporated with rennet (0.25 ml/kg). Due to the fact that whey is naturally needed to drain in the conventional (C) procedure, the use of GDL as coagulant was eliminated. Results. The obtained results indicated that the application of UF-technique in Kariesh cheese industry was associated with signifi cant increments in the values of protein, ash and pH. Moreover, the electrophoretical patterns of UF-Kariesh cheese obtained with the incorporation between YC, ABT or GDL and rennet were distinguished with the presence of the band of glycomacropeptide, which is normally lost in the whey through the C-procedure. Furthermore, the food intake (FI), body weight gain (BWG), food effi ciency ratio (FER), triglycerides (TG), total cholesterol (TC), high density lipoproteins (HDL), total, as well as ionized Ca of blood and the count of lactic acid bacteria of feces of rats were signifi cantly heightened, while low density lipoprotein (LDL) level was lowered as they fed on UF-cheeses, especially when coagulated using ABT, those caused the strongest persistence against the rat colon tumor, which was induced by the injection with 1,2 di-methyl hydrazine. The use of ABT led to raise the dry matter (DM) and ash of Kariesh cheese. Also, the FI, BWG, FER, TG, total, as well as ionized Ca of blood and the count of lactic acid bacteria of feces of rats were signifi cantly increased, while TC, HDL and LDL of blood, as well as coliform count of feces of rats were signifi cantly declined. The incorporation of enzymatic with acidic coagulation in Kariesh cheese manufacture increased signifi cantly the values of ash and pH. However, the cheese fi gures of DM, protein and titratable acidity were decreased. Also, the values of FI, BWG, FER, TC, HDL, LDL and feces LAB of rats were lowered. Whilst, the values of TG, total as well as ionized Ca and feces coliform of rats...

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Section: Methodsmentioning

confidence: 99%

Health stimulating properties of the most popular soft cheese in Egypt Kariesh made using skimmed milk UF-retentate and probiotics

Fayed

Farahat

Metwally

et al. 2014

Acta Sci Pol Technol Aliment

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The toxicity of Phaseolus vulgaris lectins. Nitrogen balance and immunochemical studies

Pusztai¹,

Clarke²,

Grant³

et al. 1981

J Sci Food Agric

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Inclusion of pure lectins isolated from the seeds of kidney bean (Phuseolus vulgaris L. cv. h-ocessor) in diets for rats increased both faecal and urinary losses of N and resulted in a negative N balance for the animals. The relationship between total body N change [ y (mg)] and lectin concentration [x (g kg-I)] of the diet was: y = 421.5 -75.1 x, which was statistically significant ( P = 0.05). These rats developed circulating antibodies of low avidity to the dietary lectins, while no other proteins of the diet elicited a similar antibody response. Additionally, in several serum samples from rats which had been fed raw beans, the presence of small amounts of a protein reactive with rabbit anti-lectin antibodies was detected. This protein was isolated from the immune precipitate and was shown by sodium dodecylsulphate-gel electrophoresis to contain a protein subunit of 30000, which was very similar to that of pure lectins. It is tentatively suggested that lectin toxicity results from the combined effects of the interference with normal intestinal digestion and/or absorption of N through the damaged enterocytes and of systemic immune (and other) responses of the rat to the internalised lectin.

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Composition and nutritive value of single-cell protein (SCP)

Schulz¹,

Oslage²

1976

Animal Feed Science and Technology

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Ein Stoffwechselkäfig für Ratten

Abstract: Zusammenfassung Es wird ein Stoffwechselkäfig für Ratten beschrieben, bei dem das Verstreuen dcs Futters weitgehend verhindert wird und Kot und Harn exakt zu trennen und quan‐titativ zu erfassen sind.

Cited by 17 publications

References 2 publications

Health stimulating properties of the most popular soft cheese in Egypt Kariesh made using skimmed milk UF-retentate and probiotics

Health stimulating properties of the most popular soft cheese in Egypt Kariesh made using skimmed milk UF-retentate and probiotics

The toxicity of Phaseolus vulgaris lectins. Nitrogen balance and immunochemical studies

Composition and nutritive value of single-cell protein (SCP)

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