In this study, the impact of apiculate yeast Hanseniaspora occidentalis as a co-partner with Saccharomyces cerevisiae was investigated in sequential-type mixed-culture fermentation Muscaris grape must. As other trials using strains, significant increase ethyl acetate observed, but most intriguing almost complete abolition malic acid (from 2.0 g/L to 0.1 g/L) wine. Compared pure S. inoculum, the...

Efficacy of combined acid-heat treatments to protect crude protein (CP) against ruminal degradation has not been extensively researched. Four in vitro trials (Daisy technology) with orthophosphoric and malic acids were performed to examine effects on protection of sunflower meal protein. In Trial 1, effects of the solution volume for adding two doses of orthophosphoric acid (0.4 and 1.2 eq/kg s...

Drábek O., Kipkoech Kiplagat I., Komárek M., Tejnecký V., Borůvka L. (2015): Study of interactions between relevant organic acids and aluminium in model solutions using HPLC and IC. Soil & Water Res., 10: 172–180. The interactions of different organic acids such as citric, malic, oxalic, and fulvic with aluminium were studied using ion-exchange chromatography (IC) and high performance liquid ch...

The rate of malic acid consumption in the Crassulacean acid metabolism (CAM) plant Kalanchoë daigremontiana Hamet et Perrier was found to be more rapid than the rate of photosynthetic oxygen evolution under all levels of irradiation by white light. This accounts for the accumulation of carbon dioxide in CAM tissues in the light.Action spectra of malate consumption and photosynthetic oxygen evol...

The competitive inhibition of malic dehydrogenase by /3-fluorooxaloacetate has been reported by Kun et al. (1). In addition to its inhibitory effect, /3-fluoro-oxaloacetate also oxidized reduced diphosphopyridine nucleotide enzymatically, but at a rate only 0.02% that of oxaloacetate. It was also shown (2) that fi-fluorooxaloacetate was a competitive inhibitor of glutamic-aspartic transaminase,...

Biostimulants are a novel and eco-friendly agronomic tool with practical applications in alleviating negative effects of environmental stressors. The present work studied the three biostimulant products (Nomoren (N), Twin-Antistress (TW), X-Stress (XS)) under normal irrigation (W+) water deficit conditions (W−) on nutritional, chemical composition bioactive properties common bean fresh pods. A ...

The purpose of these experiments were to determine possible relationships between certain indices of lipid metabolism and specific gene expression in chickens fed graded levels of dietary crude protein. Male, broiler chickens growing from 7 to 28 days of age were fed diets containing 12 or 30% protein ad libitum. Both groups were then switched on day 28 to the diets containing the opposite leve...

The effects of maturation stages on some physical and chemical properties the jujube fruits were investigated. described as green, yellow, half-red red maturation. composition fruit significantly changed depending stage. size weight increased, peel color from green to with content water-soluble vitamins, trans-resveratrol, total phenolic antioxidant capacity decreased during trans-resveratrol w...

The type and content of organic acids in fruits are important factors that determine the traits, such as nutrition flavor fruits. Fruit weight size also very economic characters fruit breeding research. To investigate inheritance patterns longan, acid contents, weight, were measured distant hybridization progenies longan ‘Huanongzao’ lychee ‘Ziniangxi’. results revealed malic accumulation exhib...