The topography and morpho-anatomical characteristics of floral nectaries the chemical analysis nectar have been studied in seven pear cultivars with different susceptibility to Erwinia amylovora. susceptible cultivar Williams, moderately resistant Bella di guigno, Poire de Cure low Alexander Lucas originated from Pyrus communis, while highly Chojuro Nijisseiki P. pyraster Kieffer as interspecie...

Geographical and botanical origin of honeys can be characterized on the basis physico-chemical composition, sensory properties melissopalynological analysis. No comprehensive description characteristics Czech honey has been published so far. This study provides insights that are important for correct classification. The analysed 317 samples authentic from randomly selected localities. Due to di...

Background/Aim. Prediabetes (PD) refers to the condition in which blood sugar level is higher than normal but has not reached diagnostic criteria for diabetes mellitus (DM) yet. Impaired glucose tolerance (IGT) a major prediabetic symptom since most patients with type 2 DM have progressed from previous PD phase. The aim of study was observe changes serum metabolomics IGT treated Hibiscus escule...

Porous carbon films, attributed to their superior thermal and chemical robustness, are attractive for a number of applications. In the context molecular separation, major focus has been on films where effective pore diameter is lower than 1 nm, e.g., sieves. Only handful reports available hosting 2–3 nm size channels gas transport mainly takes place by Knudsen diffusion in contrast activated tr...

An aerobic bacterium, designated strain E5HC-32(T), was isolated from soil underlying the decaying leaf litter of a slash pine forest located in south east Queensland, Australia. The strictly aerobic, motile rod-shaped cells (0.8-1.6 x 2.6-4.8 microm) produced subterminal spherical spores which distended the cells. Strain E5HC-32(T) grew optimally in 1 % trypticase soy broth (TSB) at 30 degrees...

The 100000g supernatants from 13-day-old suckling-rat intestinal homogenates contained 43.5% of the total intestinal maltase activity, compared with 7.1% in weaned adult rats aged 40 days. The soluble maltase activity was separated on Sepharose 4B into two quantitatively equal fractions at pH6.0, one containing a maltase with a neutral pH optimum and the other a maltase with an acid pH optimum....

Different clinical expressions of acid alpha-glucosidase deficiency have been described. The present study was undertaken to investigate the basic metabolic defect in the infantile and adult forms of the disease. Acid alpha-glucosidase (EC 3.2.1.20) was purified from normal and from adult acid alpha-glucosidase deficiency fibroblasts. The pH optimum; Michaelis constant; electrophoretic mobility...

Type 1 diabetes mellitus is by far the most common metabolic and endocrinal disease in children (Peters & Schriger, 1997). The major dietary component responsible for fluctuations in blood glucose levels is carbohydrate. The amount, source (Jenkins et al., 1981; Gannon et al., 1989) and type (Brand et al., 1985) of carbohydrate appear to have profound influence on postprandial glucose levels. T...

Sugar composition was determined in three groups of products: starch (maltose) syrup produced in Poland from wheat starch (for several years beekeepers have been trying to use it as bee food), winter store made from the syrup by bees and honey. Winter stores were analyzed in three subgroups: subgroup 1 – material collected from honeycombs of bee colonies two months after the syrup was fed to th...