نتایج جستجو برای: acid digestion
تعداد نتایج: 775588 فیلتر نتایج به سال:
Health benefits of whole wheat products are partially attributed by their unique phenolic compounds. This study investigated effect simulated gastrointestinal digestion and probiotic fermentation on releasing acids from foods (bread, cookie, pasta). Kinetics results showed that more were released within the first hour gastric intestinal digestions compared to prolonged digestion. Lactobacillus ...
An experimental study was carried to find out the degradability of black liquor of pulp and paper mill wastewater for biomethanogenesis in continuous stirred tank reactor (CSTR) and followed by activated sludge process (ASP). Continuous stirred tank reactor was used in present study for anaerobic digestion of black liquor, while completely mixed activated sludge system was used for aerobic dige...
Sample preparation is the critical step of any analytical protocol, and involves steps from simple dilution to partial or total digestion. The present review focuses on wet digestion methods used for solid and liquid sample pre-treatment. The methods include wet decomposition and dissolution of the organic and inorganic samples, in open and closed systems, using thermal and radiant (ultraviolet...
Previous work has shown that the peptide-like growth factor strepogenin probably occurs in certain proteins such as insulin and trypsinogen at the amino end of the protein (l), and that it is liberated by suitable enzymic digestion. This conclusion suggested a means for attacking the almost insurmountable task involved in separating the one compound strepogenin from the mixture of numerous pept...
Biogas is a bioenergy produced from organic or all types of biological degradable wastes and could make it possible to limit energy dependence. Sludge the best alternative substrate for biogas production at community-level plant. The literature shows that co-digestion can increase efficiency sludge anaerobic digestion. This research, thus, focused on (i) determining conditions optimal in primar...
A simple, rapid, and reliable method was developed for determination of inorganic As in biological samples such as fish fillet. Inorganic AS was distilled from the sample as AsCl3 with HCl. The separated inorganic AS was determined by flow-injection hydride-generation atomic absorption spectrometry after prereduction with KI and HCl. The influences of various concentrations of KI, ascorbic acid...
The amino acid sequence of the histidine binding protein of Salmonella typhimurium was determined by automated sequence analysis of reduced and S-pyridylethylated histidine binding protein and fragments derived by chemical and enzymatic cleavage of the native protein. The fragments were the products of cleavage at methionine residues by cyanogen bromide, cleavage at tryptophan residues by 2-nit...
0 VER the past several years, the measurement of protein-bound iodine (PBT) and butanol-extractable iodine (BET) has become quite popular in evaluating thyroid function. So great has the demand been for these determinations that some laboratories are performing hundreds of the assays per day. In view of these facts, it becomes obvious that automation should be utilized as much as possible to of...
Cattle slurry and card packaging were used to improve the operational stability of food waste digestion, with the aim of reducing digestate total ammoniacal nitrogen concentrations compared to food waste only. Use of cattle slurry could have major environmental benefits through reducing greenhouse gas emissions associated with current management practices; whilst card packaging is closely linke...
The use of thermal denaturation of proteins prior to in-solution digestion and mass spectral peptide mass mapping is reported. Thermal denaturation is preferred over chemical denaturation because it does not require purification/concentration prior to mass spectral analysis. Enzymatic digestions of proteins that are resistant to proteolysis are significantly enhanced by thermal denaturation. Na...
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