Abstract:
:It is generally agreed that the population of lactic acid bacteria in yogurt must be not less than 10(6) ufc/g. Viability of the lactic flora until the end of shelf-life is affected for many factors, which has incidence in the recuperability of this microflora. MRS and LEE agar were selected for the total count of lactic bacteria, the M17 was used for the S salivarius ssp thermophilus and the RCA for L. delbrueckii ssp bulgaricus. Different methodologies were used for detection and enumeration of this bacteria: direct plate count; thermal treatment and recuperation of the injured cells in Soy Tripticase broth. The enumeration was done at time zero and 3 hours after the start of the fermentative process and during storage at 4, 12 and 21 days. The results shown an excellent recuperability of the lactic flora in the selected media and methods that were used: however the enumeration was significatively lower in the RCA agar. The counts in the LEE agar shown a better recuperability. The thermal treatment affected negatively the counts of lactic flora and the repair method shown better results in the yogurt sample during storage. pH and acidity were determined at the beginning and during the storage period. It was observed a pH decrease because of the lactic acid production at the end of shelf-life.
journal_name
Arch Latinoam Nutrjournal_title
Archivos latinoamericanos de nutricionauthors
Briceño AG,Martínez Rsubject
Has Abstractpub_date
1995-09-01 00:00:00pages
207-12issue
3eissn
0004-0622issn
2309-5806journal_volume
45pub_type
杂志文章abstract::This study was carried out to determine the protein content of several Amaranthus sp. grains. Findings revealed this has a high lysine (5.3 to 6.3 of the protein) and sulphur amino acids content (3.4-4.0%), while leucine could well be limiting when those seeds are used as a sole protein source in food. Using the corre...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1986-09-01 00:00:00
abstract::Pigeon pea is a legume grain of good production capacity and of a relatively high nutritive value, which has not been used in Latin America on the basis of the potential it offers. In this study experiments were conducted to learn about the possibility of processing pigeon pea to yield an intermediate flour with good ...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1993-03-01 00:00:00
abstract::Iodine deficiency during intrauterine and early postnatal life of the rat produces a transient decrease in the DNA content of brain and cerebellum, which is spontaneously recovered without replacement therapy. Results of the study revealed that DNA synthesis measured through thymidine-H3 incorporation to DNA, was incr...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1984-06-01 00:00:00
abstract::Proteins, some minerals and vitamins, play important roles in erythropoiesis and the survival of the red blood cell. This article deals specifically with the physiological requirements and recommended intakes of iron, folate and vitamin B12. A comparison of the physiologic iron requirements according to age and sex, a...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章,评审
doi:
更新日期:1988-09-01 00:00:00
abstract::The objective of this work was to develop three foodstuffs based on mixes of wheat and fermented and non-fermented legumes, for the purpose of contributing with a healthy alternative for school snacks. To this aim, refined wheat flour was partially substituted with whole legume flours for the preparation of cakes, bro...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2010-03-01 00:00:00
abstract::Lupinus albus and Lupinus mutabilis may achieve importance among the andean countries in which soy bean can not grow due to ecological reasons. Both lupin varieties are outstanding because of their high protein and oil content. Its alkaloid content limits the lupins usage; however the bitter substances can be eliminat...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1977-12-01 00:00:00
abstract::Some essential aspects of families with malnourished infants being treated in the Nutritional Rehabilitation Centers managed by the Corporation for Infant Nutrition (CONIN) of Santiago, Chile, were studied in depth. The purpose was to identify and quantify some variables of the family environment as a previous necessa...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1979-06-01 00:00:00
abstract::The objective of the present work was to study functional and thermal properties of reineta (Brama australis) frozen meat, analysed by water retention capacity (WRC), gel forming capacity (GFC), texture, emulsifying capacity and differential scanning calorimetry (DSC). For this study, reineta fillets were obtained and...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2006-12-01 00:00:00
abstract::The objective of this transversal study was to determine folate and iron nutritional status of women in fertile age from Municipio Jiménez, Lara State, Venezuela. The sampling was probabilistic by conglomerates from the urban and rural areas, selecting 15 conglomerates from which women between 12 and 45 years (269), w...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2010-06-01 00:00:00
abstract::Two hundred samples of raw milk were collected at the receiving plants located in three areas of high milk production in Zulia state, Venezuela. The CTT test and trial disk were used in order to detect the presence of antimicrobials. The positive samples were inoculated in tripticase soy broth, human blood agar and ma...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2002-03-01 00:00:00
abstract::Two experiments were performed to examine the effects of various carbohydrates (fructose, lactose, corn starch, wheat starch and potato starch) on the utilization of iron, on Fe-depleted rats. These received a single meal that contained the test carbohydrate at a 60% level, labelled with 59Fe. The rest of the experime...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1986-12-01 00:00:00
abstract::The present research was carried out for the purpose of collecting part of the germ plasm of grain amaranth in Guatemala, as well as to evaluate it in terms of yield, chemical composition and nutritive value. A total of 27 Guatemalan selections, one from Mexico and seven from Peru were planted in June 1982 in 7.5 m2 e...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1987-06-01 00:00:00
abstract::Garlic has been used for centuries, and even nowadays is part of popular medicine in many cultures. New data have increased the interest in garlic and its role in normalization and treatment of cardiovascular disease risk factors. Recent studies have shown the complex composition of garlic, containing many compounds, ...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章,评审
doi:
更新日期:2000-09-01 00:00:00
abstract::With the objective of producing packaged tortillas with a longer shelf-life which, at the same time, have the qualities of fresh tortillas, the effects of preservatives and texture conditioners on rheologic and sensory characteristics and shelf-life of tortillas made with nixtamalized corn flour were studied. The pres...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1997-12-01 00:00:00
abstract::A laboratory study of wheat stored at two different levels of moisture content with and without presence of Sitophilus zeamais Motschulsky was performed. Flexible PVC and polythene films as seals were used in order to examine their effectiveness to maintain the wheat quality by comparing changes in moisture content, g...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1992-12-01 00:00:00
abstract::Some individuals with functional limitations or in some clinical or field areas have troubles to get stature and body weight measurement done. It does exist the alternative of estimating these variables from measurements of body segments like knee height (KH) and mid arm circumference (MAC). Of a sample of 113 healthy...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1998-09-01 00:00:00
abstract::The lipid profile and food pattern of 50 Chinese immigrants living in San José, Costa Rica were studied during 1999. The results showed that 35% of the immigrants had high levels of total cholesterol (> or = 5.16 mmol/L) and 51% had high concentrations of LDL-Cholesterol (> or = 2.84 mmol/L). Moreover, 36% of them had...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2002-09-01 00:00:00
abstract::Mesoamerica, the area we focus for this paper, is a section of Latin America that extends from Central Mexico to Panama. The deliberations of international committees are the primary bases for their nutrient-based recommendations. To a smaller extent, the unique particularities of the bioavailability for one or anothe...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2004-12-01 00:00:00
abstract::Four studies were carried out for the purpose of measuring the digestibility of diets based on rice and beans (Phaseolus vulgaris), and in order to quantify the effect of their supplementation with animal protein (milk) and energy (oil), on the energy and protein digestibility of such diets in human adults. Diets were...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1984-03-01 00:00:00
abstract::Whole blood concentrations of selenium were determined in 776 dairy cows and calves from 28 farms located in three States (Aragua, Carabobo and Guárico) of the central zone of Venezuela and in Portuguesa State. Selenium levels largely varied according to both the geographic distribution and animals breed. Cattle from ...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1977-06-01 00:00:00
abstract::Undernutrition, especially in the prenatal period and/or until 5 years of age, can cause stunting. Adults with short stature resultant from this process show a series of functional deficits, amongst which is a reduced capacity to do physical work. The aim of this investigation was to evaluate the dietary pattern, nutr...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2008-03-01 00:00:00
abstract::The presence of total coliforms, Escherichia coli and Listeria sp. was evaluated in 65 samples of enteral nutrition formulas. In more than the 75% of the samples made up from cooked vegetables, fruits or meat broth, the score level of total coliforms was of 10(4) UFC/g. In 12-31% of the different enteral food formula,...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1998-03-01 00:00:00
abstract::This descriptive study presents a series of factors that can influence food habits, being the educational level the most important independent variable. The sample included families that had infants (1-2 years) and preschool children (2-6 years). These families belonged to all socio-economic levels, not being well rep...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1977-03-01 00:00:00
abstract::The nutritive value of calf stomach waste from rennet production was assessed. The by-product was either drum-dried at the industry (DDSW) or mildly dried (60 degrees C) in a ventilated oven at the laboratory (MDSW). Part of the sample treated at the laboratory was autoclaved before drying (ASW). The protein and ether...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1981-09-01 00:00:00
abstract::One of the problems in the handling and processing of various kinds of fruits, is the enzymatic and nonenzymatic browning. The polyphenoloxidases are strictly related with the first aspect, needing therefore, more attention from the scientists and food industries. These enzymes oxidize mono, di and polyphenols in the ...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1984-06-01 00:00:00
abstract::That beta-carotene is the main source of vitamin A in fruits and vegetables has been known for many years. Many studies have been conducted to assess bioconversion of beta-carotene to vitamin A in animals. More recently, bioconversion studies using stable-isotopically labeled beta-carotene have been used to assess bio...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章,评审
doi:
更新日期:1999-09-01 00:00:00
abstract::In the following study, dietary fiber, insoluble (IDF), soluble (SDF) and total (TDF) were determined in cereals and by-products and in commercial cereals products which are found in the national market and promoted as a source of fiber. The Prosky's enzimatic-gravimetric method was used. Results were expressed as g/1...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1993-09-01 00:00:00
abstract::Pacific white shrimp were fed diets containing natural pigments from Aztec marigold (Tagetes erecta) petals extracts (esterified and saponified). The pigmenting effect of these carotenoids was compared with a carotenoid-free control diet and a synthetic astaxanthin (Roche Carophyll Pink) supplemented diet. It was foun...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 临床试验,杂志文章
doi:
更新日期:1996-09-01 00:00:00
abstract::The presence of C. perfringens was analyzed in 75 samples of pork sausages (chorizo, salchichon and bologna), obtained from five processing plants located in the Metropolitan Area of Costa Rica. Previously and after the biochemical identification of the strains, the most probable number (MPN) of C. perfringens per gra...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1999-09-01 00:00:00
abstract::Iron deficiency anemia (IDA) remains a word public health problem, particularly in children and child-bearing-age women. Iron demands need to be covered by adolescent women due to the increased physical growing, menstruation, pregnancy and fetal growing tissues at this life stage. This study was proposed to investigat...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2009-06-01 00:00:00