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  • 1
    Electronic Resource
    Electronic Resource
    Protein quality of wild rice (1978)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 26 (1978), S. 309-312 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60216a046
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  • 2
    Electronic Resource
    Electronic Resource
    Processing, composition, nutritional evaluation, and utilization of mesquite (Prosopis spp.) pods as a raw material for the food industry (1986)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 34 (1986), S. 914-919 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00071a037
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Food Flavors and Odors, Volatile Sulfur Compounds in Potatoes (1964)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 12 (1964), S. 404-408 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60135a004
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  • 4
    Electronic Resource
    Electronic Resource
    NUTRITIONAL STABILITY OF CORN-SOY-MILK BLENDS AFTER DRY HEATING TO DESTROY SALMONELLAE (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 45 (1980), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Enriched blends of corn meal, soy flour, and nonfat dry milk (CSM) were adjusted to 7 and 10% moisture and inoculated with approximately 103 cells of Salmonella anatum and Salmonella senftenberg per gram of CSM. The blends were stored at -18 to 60°C and then tested for salmonellae and nutritional changes. S. senftenberg was more heat resistant than S. anatum. At temperatures of 43, 49, 54, and 60°C, S. senftenberg was killed by dry heat after 13, 10, 8, and 6 days, respectively, independent of product moisture. Smaller nutritional losses were observed at 7% than at 10% moisture. Changes in product color, PER values, vitamins A and C, and available lysine were minimal at temperatures of 43 and 49°C for 13 and 10 days, respectively. At 54 and 60°C for 8 and 6 days, nutrient losses were excessive at 10% moisture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1980.tb07491.x
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of Myoinositol Phosphate Esters on In Vitro and In Vivo Digestion of Protein (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 54 (1989), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Effects of phytate and its hydrolysis products (myo-inositol phophate esters) on protein digestion were investigated by in vitro and in vivo procedures. Tri-, tetra-, penta-, and hexa-phosphate ester fractions, isolated from phytate hydrolysates, inhibited pepsin digestion of casein and bovine serum albumin in vitro. The inhibition ranged from 0% for the mono- and diphosphate esters to 9–14% with the hexa-phosphate ester (phytate). The phosphate ester fractions did not significantly affect trypsin digestion of the proteins. In the in vivo study, rats were fed phytate and hydrolysates thereof (mixtures of the esters above) at levels of 1–3.5% of the diet. Under the conditions of this study, neither phytate nor its hydrolysates significantly affected protein utilization or weight gain in rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1989.tb05989.x
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  • 6
    Electronic Resource
    Electronic Resource
    The USDA trypsin inhibitor study. I. Background, objectives, and procedural details (1985)
    Springer
    Plant foods for human nutrition 35 (1985), S. 213-242 
    Details
    ISSN: 1573-9104
    Keywords: soy flour ; soy protein isolate ; trypsin inhibitors biological-physiological-toxicological effects ; pancreatic function and histology ; long-term tests ; Wistar rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Short-term feeding studies have shown that raw soy flour and purified trypsin inhibitors (TI) cause pancreatic hypertrophy and hyperplasia in certain monogastric animals. Prolonged exposure to high levels of TI in raw soy ultimately leads to pancreatic nodular hyperplasia and acinar cell adenoma in rats exposed to low levels of pancreatic carcinogens. Such change has been observed even in the absence of any exposure to known carcinogens. These results emphasized the need for chronic (2 yr) feeding trials which would clearly reveal dose response relationships of alterations in pancreatic pathology to dietary TI and possible interactions with dietary protein and fat. Here we report on the objectives and designs of the first phase of the USDA TI Study, including composition of diets, preparation, and analyses of test substances. To provide the requisite TI and protein levels, raw and heated defatted soy flours, soy protein isolates, and lactic casein were used. The interrelationship of dietary level of TI (93–1270 mg/100 g diet) and that of protein (10%, 20%, and 30%) to pancreatic function and pathology will be reported in the following three papers. Both serial and chronic sacrifice regimes, respectively, were employed with 26 diets and 40 weaning male Wistar rats per dietary group.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01092196
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  • 7
    Electronic Resource
    Electronic Resource
    The USDA trypsin inhibitor study. III. Sequential development of pancreatic pathology in rats (1985)
    Springer
    Plant foods for human nutrition 35 (1985), S. 259-274 
    Details
    ISSN: 1573-9104
    Keywords: pancreas ; trypsin inhibitor ; soy flour ; Wistar rat ; hyperplasia ; acinar adenoma ; I cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Weanling male, Wistar rats (40 per diet) were maintained on 15 diets which provided 4 graded trypsin inhibitor (TI) levels (93, 215, 337, and 577 mg/100g diet) repeated at 3 levels of protein (10%, 20%, and 30%). Raw and heated (toasted) soy flour provided 10% protein in the diet, while casein was added to increase the protein level to 20% and 30%. Three diets containing only casein as the protein source, at 10%, 20%, and 30% were included. Histologic changes occurring in the pancreas were evaluated in approximately 5 rats from each diet at 3 month intervals, beginning at 6 months, for 22 months. Criteria for the diagnosis of the observed histologic changes in the pancreas are discussed. Ultrastructure of the endocrine cells in the gastrointestinal mucosa was also examined. Pancreatic acinar cell density, as determined morphometrically, was reduced throughout the study in rats fed the 577 mg TI/100 g diet, indicating hypertrophy at the cellular level. Nodular hyperplasia was observed in the first sacrifice group at 6 months. Incidence of the lesion was positively related to both time of exposure and level of dietary TI. Acinar adenoma was first observed at 18 months and was most prevalent in rats fed the highest concentration of TI. Endocrine cells of the duodenal mucosa which contain cholecystokinin (so-called ‘I’ cells) contained a denser population of secretory granules in animals fed the high TI diet compared with I cells from control animals, leading to the speculation that production and secretion of cytoplasmic hormones was increased in TI treated rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01092198
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  • 8
    Electronic Resource
    Electronic Resource
    The USDA trypsin inhibitor study. II. Timed related biochemical changes in the pancreas of rats (1985)
    Springer
    Plant foods for human nutrition 35 (1985), S. 243-257 
    Details
    ISSN: 1573-9104
    Keywords: soy flour ; trypsin inhibitor ; pancreas ; enzyme activities ; RNA and DNA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A total of 600 rats was distributed equally among 15 diets formulated from mixtures of raw and toasted soy flour and casein so as to provide 5 different levels of trypsin inhibitor (TI) at 3 levels of protein (10%, 20%, and 30%). Animals were sacrificed at the end of 6 months and at 3-month intervals thereafter over a period of 22 months. Increases in the secretory activity of the pancreas, as measured by trypsin and chymotrypsin activities in the pancreas and small intestines, were associated with increasingly higher levels of TI and protein but did not change appreciably with time. Hypertrophy and hyperplasia of the pancreas, as reflected by changes in pancreas weight and RNA and DNA content, developed at an early stage (6 months) and were likewise positively correlated with the levels of TI and protein in the diet. Although the hypertrophic response remained unchanged with time, hyperplasia became more pronounced as the period of exposure to TI was prolonged. The peptide test confirmed the stimulatory effect of TI on the pancreas, but some functional impairment was noted in those animals which had been fed raw soy flour for 18 months of or longer. The appearance of nodules on the pancreas was observed by gross inspection after 15 months, and these became larger and more numerous with time. The incidence of nodules was highly correlated with the level of TI in the diet and was highest when the diet contained 20% protein.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01092197
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  • 9
    Electronic Resource
    Electronic Resource
    The USDA trypsin inhibitor study. IV. The chronic effects of soy flour and soy protein isolate on the pancreas in rats after two years (1985)
    Springer
    Plant foods for human nutrition 35 (1985), S. 275-314 
    Details
    ISSN: 1573-9104
    Keywords: soy flour ; soy protein isolate ; trypsin inhibitor ; pancreas ; Wistar rat ; hyperplasia ; acinar adenoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract In two year feeding trials, histologic changes in the pancreas of the Wistar rat were evaluated after chronic dietary exposure to raw and heated, dehulled, defatted soy flour and soy protein isolates which provided a range of trypsin inhibitor (TI) concentrations from 93 to 1271 mg/100 g diet. Also investigated was the nutritional interaction of level of dietary protein with the development of pancreatic pathology. Graded levels of TI were achieved from mixtures of raw and heated soy flour or protein isolate. Dietary protein levels were 10%, 20%, and 30%; the two higher levels obtained in some diets through casein supplementation. A total of 26 diets, including casein controls, were fed to groups of 40 male rats. Growth rates with these diets were commensurate with protein quality and level. Mortality rates tended to be slightly greater in the higher protein diets, and rats fed only raw soy as a source of protein survived well. Two lesions, nodular hyperplasia (NH) and acinar adenoma (AA) constituted the major pathological findings in the pancreas, and the incidence rates of both were positively associated with the concentration of dietary TI. The incidences of pancreatic NH and AA compared to those of the corresponding casein control were significantly elevated in rats fed heated soy flour supplying 10% protein and the lowest level of TI investigated (93 mg/100 g diet). At low levels of TI (≦215 mg/100 g diet), supplementation by casein to raise the concentration of protein from 10% to 20% and 30% reduced the frequency of NH and AA. When the dose-response data for NH and AA was linearized by plotting the probit of percent incidence against log of TI concentration per gram of dietary protein, the response to soy flour and soy protein isolate was not significantly different. Numerous lesions commonly found in the aging rat were diagnosed, and modulation of their rate of occurrence by nutritional factors associated with the diets was apparent in some instances.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01092199
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