Results: 20

Composição eletrolítica e mineral do leite de lactantes a termo pré e pós-pasteurização e de leite cru de mães de recém-nascidos pré-termo

RESUMO Objetivo: Determinar e comparar as concentrações de eletrólitos e minerais no leite humano em três grupos: amostras analisadas antes e após pasteurização de lactantes doadoras a termo e amostra de leite cru colhida à beira do leito de mães de recém-nascidos pré-termo. Métodos: Estu...

Soluble amino acid profile, mineral nutrient and carbohydrate content of maize kernels harvested from plants submitted to ascorbic acid seed priming

An. acad. bras. ciênc; 89 (1,supl), 2017
ABSTRACT Both the scientific community and society have shown interest in improving the content of amino acids, carbohydrates and mineral nutrients in maize because it represents an important staple food in many developing countries. Earlier studies demonstrated that the treatment of seeds using ascorbic...

Crustacean communities in coastal ephemeral pools in the Araucanía region (38° S, Chile)

Braz. j. biol; 76 (4), 2016
Abstract The fauna communities of ephemeral pools in southern Chile are characterized by heterogeneity of crustacean taxa; nevertheless, no detailed studies exist of their community structure. The aim of the present study was to analyze the crustacean community structure in two groups of ephemeral pools ...

Effects of seasonal variations and collection methods on the mineral composition of propolis from Apis mellifera Linnaeus Beehives

Braz. j. biol; 76 (2), 2016
Abstract The effects of seasonal variations and the methods of collection of propolis produced by Africanized honey bees Apis mellifera Linnaeus, 1758, on the composition of constituent minerals such as magnesium (Mg), zinc (Zn), iron (Fe), sodium (Na), calcium (Ca), copper (Cu), and potassium (K) were e...

Salinity-induced changes in the morphology and major mineral nutrient composition of purslane (Portulaca oleracea L) accessions

Biol. Res; 49 (), 2016
This study was undertaken to determine the effects of varied salinity regimes on the morphological traits (plant height, number of leaves, number of flowers, fresh and dry weight) and major mineral composition of 13 selected purslane accessions. Most of the morphological traits measured were reduced at v...

El cabello, fuente de información del estado de salud
The hair, source of health information

El cabello y especialmente el localizado en la cabeza provee importante información sobre posibles exposiciones ambientales y/o laborales a diferentes elementos. El pelo puede ser considerado como un producto excretor, y su estudio reflejaría el metabolismo de minerales en el cuerpo. Nuestro propósito...

Determinación de macro elementos en exudado de hojas de zábila (Aloe vera (L.) Burm. f.)
Macroelements determination in zabila leaves exudate (Aloe vera (L.) Burm. f.)

Rev. Inst. Nac. Hig; 41 (2), 2010
El Aloe vera (L.) Burm. f. (zábila) es una planta utilizada por sus propiedades medicinales, la parte utilizada de esta planta es su hoja, de ésta se extraen dos componentes: los cristales y el exudado. En esta investigación se estudió la concentración de macro elementos presentes en el exuda-do de ...

Determinación de microelementos en acíbar de hojas de zábila (Aloe vera (L.) Burm. f.)
Determination of microelements in exudate from leaves of zábila (Aloe vera (L.) Burm. f.)

Rev. Inst. Nac. Hig; 40 (1), 2009
En esta investigacion se estudio la concentracion de microelementos tales como cobre, zinc, manganeso y hierro en el acibar de hojas de zabila, por espectrometria de absorcion atomica en llama (FAAS); asimismo, la concentracion de cromo por espectrometria de absorcion atomica electrotermica (ETAAS). Las ...

Deficiências e desequilíbrios de microelementos em bovinos e ovinos em algumas regiões do Brasil

Pesqui. vet. bras; 19 (1), 1999
Further results are given of studies on mineral deficiencies in cattle and sheep carried out by the authors over the last 25 years, and which began in the early fifties. The studies consisted in obtaining case histories of diseases possibly caused by mineral deficiencies, in field observations and clinic...

Composicao centesimal e teores de alguns minerais de cultivares de feijao guandu (Cajanus cajan (L) Mill)
Mineral content and composition of some pigeon pea (Cajanus cajan (L) Mill) cultivars

O feijao guandu e uma leguminosa de facil adaptacao a diferentes tipos de clima e solo, apresentando grande variabilidade em altura do arbusto, maturacao, tamanho e cor das sementes. Este trabalho teve por objetivo determinar os teores de proteina, extrato etereo, fibra e cinzas existentes em quarenta di...