BACKGROUND Glucoamylase is an exo-type enzyme that converts starch completely into glucose from the non-reducing ends. To meet the industrial requirements for starch processing, a glucoamylase with excellent thermostability, raw-starch degradation ability and high glucose yield is much needed. In the present study we selected the excellent Carbohydrate-Activity Enzyme (CAZyme) producer, Bispora...

There are several levels of complexity that need to be considered in order to describe the diurnal regulation of carbon metabolism in plants. Firstly, some reactions are lightdependent and happen only or mainly in presence of light (such as carbon fixation and starch synthesis) or in absence of light (such as starch degradation). Secondly, reactions are compartmentalised between chloroplast (ca...

Requirement for replacement of energy and fuels from fossil sources by renewable sources also leads to utilization of domestic and local sources of biomass convertible to biofuel. Moreover former and actual troubles in nuclear energy generation could intensify this trend too. Renewable source for biofuel production in countries of temperate zone is also wheat as crop with relatively simply grow...

Effects of different carbon sources on growth and production of antifungal agent(s) by Gymnopilus spectabilis were investigated. Different carbon sources including; Glucose, fructose, lactose, maltose, manitol and sucrose at the concentration of 10 g/l and slow releasing carbon sources including malt extract and soluble starch at the concentration of 2g/l were used. Inhibition of spore germinat...

Differences in seed vigor of four genotypes of maize (Zea mays L.), brittle-1 (bt1), shrunken-2 (sh2), sugary (su), and normal, in an isogenic background, were investigated. Excised whole embryos and axes were grown on Murashige and Skoog (MS) media containing various carbohydrate sources. Of the four genotypes examined, sh2 seeds had the lowest vigor, especially under germination stress condit...

Sulfolobus solfataricus secretes an acid-resistant alpha-amylase (amyA) during growth on starch as the sole carbon and energy source. Synthesis of this activity is subject to catabolite repression. To better understand alpha-amylase function and regulation, the structural gene was identified and disrupted and the resulting mutant was characterized. Internal alpha-amylase peptide sequences obtai...

effects of different carbon sources on growth and production of antifungal agent(s) by gymnopilus spectabilis were investigated. different carbon sources including; glucose, fructose, lactose, maltose, manitol and sucrose at the concentration of 10 g/l and slow releasing carbon sources including malt extract and soluble starch at the concentration of 2g/l were used. inhibition of spore germinat...

Our objective was to measure the proximate, starch, amino acid, and mineral compositions of grains, grain co-products, and other carbohydrate sources with potential use in pet foods. Thirty-two samples from barley (barley flake, cut barley, ground pearled barley, malted barley, whole pearled barley, pearled barley flakes, and steamed rolled barley); oats (groats, ground oatmeal, ground steamed ...

this experiment was conducted to evaluate the effect of different dietary enzyme supplemented non-starch polysaccharides on growth and physiological traits of broilers. 625 one day old ross-308 broiler chickens were allocated randomly to 5 treatments with 5 replicates using a crd statistical design through 1 to 21 and 22 to 42 days of rearing period. treatments were included control, wheat, whe...

Cereal Chem. 82(2):166-172 One commercial bread wheat flour with medium strength (11.3% protein content. 14% mb) was fractionated into starch, gluten, and water solubles by hand-washing. The starch fraction was separated further into large and small granules by repeated sedimentation. Large (10-40 pm diameter) and small (1-15 pm diameter) starch fractions were examined. Flour fractions were rec...