Relevant bibliographies by topics / Solubility. Bile salts

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Academic literature on the topic 'Solubility. Bile salts'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Solubility. Bile salts"

1

Ercibengoa, María, María Morales, Marta Alonso, Carmen Ardanuy, and José M. Marimón. "Variants of the bile: solubility test to differentiate Streptococcus pneumoniae from other viridans group streptococci." Future Microbiology 14, no. 11 (2019): 949–55. http://dx.doi.org/10.2217/fmb-2019-0073.

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Aim: Bile salts promote the specific autolysis of pneumococcal cells, allowing the differentiation between Streptococcus pneumoniae and other viridans group streptococci (VGS). Material & methods: One hundred clinical VGS isolates identified by amplification and sequencing of 16S rRNA, groEL and sodA genes were analyzed with different variants of bile-solubility tests: tube testing read by naked eye; tube testing where the lysis was measured as the decrease of turbidity with a densitometer; and direct testing on blood agar plate. Results: As expected, all S. pneumoniae isolates were fully
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2

Berman, Marvin D., та Martin C. Carey. "Metastable and equilibrium phase diagrams of unconjugated bilirubin IXα as functions of pH in model bile systems: Implications for pigment gallstone formation". American Journal of Physiology-Gastrointestinal and Liver Physiology 308, № 1 (2015): G42—G55. http://dx.doi.org/10.1152/ajpgi.00277.2014.

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Metastable and equilibrium phase diagrams for unconjugated bilirubin IXα (UCB) in bile are yet to be determined for understanding the physical chemistry of pigment gallstone formation. Also, UCB is a molecule of considerable biomedical importance because it is a potent antioxidant and an inhibitor of atherogenesis. We employed principally a titrimetric approach to obtain metastable and equilibrium UCB solubilities in model bile systems composed of taurine-conjugated bile salts, egg yolk lecithin (mixed long-chain phosphatidylcholines), and cholesterol as functions of total lipid concentration,
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3

Madsen, Karen. "Intestinal Absorption of Bile Salts." Canadian Journal of Gastroenterology 4, no. 2 (1990): 79–84. http://dx.doi.org/10.1155/1990/624985.

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Bile acids are secreted from the liver into the duodenum where they aid in the digestion and absorption of dietary lipids. Absorption of bile acids occurs through both ionic and nonionic diffusion in the jejunum and colon and through an active sodium ion-dependent carrier mechanism in the ileum. The prima, y bile acids synthesized in the liver can be converted by intestinal bacteria into secondary and tertiary bile acids. Bile acids may also be conjugated with glycine or taurine which results in an increase in the hydrophilicity and solubility of these compounds at physiological pH. The amount
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4

Bottari, Emilio, Maria Rosa Festa, and Lorella Gentile. "Solubility and the Solubility Product of Some Calcium(II) Salts of Bile Acids." Journal of Chemical & Engineering Data 56, no. 12 (2011): 4751–58. http://dx.doi.org/10.1021/je2007428.

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5

Coreta-Gomes, Filipe Manuel, Guido R. Lopes, Cláudia P. Passos, et al. "In Vitro Hypocholesterolemic Effect of Coffee Compounds." Nutrients 12, no. 2 (2020): 437. http://dx.doi.org/10.3390/nu12020437.

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(1) Background: Cholesterol bioaccessibility is an indicator of cholesterol that is available for absorption and therefore can be a measure of hypocholesterolemic potential. In this work, the effect of commercial espresso coffee and coffee extracts on cholesterol solubility are studied in an in vitro model composed by glycodeoxycholic bile salt, as a measure of its bioaccessibility. (2) Methods: Polysaccharide extracts from coffees obtained with different extraction conditions were purified by selective precipitation with ethanol, and their sugars content were characterized by GC-FID. Hexane e
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6

Furune, Takahiro, Naoko Ikuta, Yoshiyuki Ishida та ін. "A study on the inhibitory mechanism for cholesterol absorption by α-cyclodextrin administration". Beilstein Journal of Organic Chemistry 10 (2 грудня 2014): 2827–35. http://dx.doi.org/10.3762/bjoc.10.300.

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Background: Micelle formation of cholesterol with lecithin and bile salts is a key process for intestinal absorption of lipids. Some dietary fibers commonly used to reduce the lipid content in the body are thought to inhibit lipid absorption by binding to bile salts and decreasing the lipid solubility. Amongst these, α-cyclodextrin (α-CD) is reportedly one of the most powerful dietary fibers for decreasing blood cholesterol. However, it is difficult to believe that α-CD directly removes cholesterol because it has a very low affinity for cholesterol and its mechanism of action is less well unde
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7

Gu, JJ, AF Hofmann, HT Ton-Nu, CD Schteingart, and KJ Mysels. "Solubility of calcium salts of unconjugated and conjugated natural bile acids." Journal of Lipid Research 33, no. 5 (1992): 635–46. http://dx.doi.org/10.1016/s0022-2275(20)41428-2.

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8

SAKOMOTO, Minoru, Susumu TAZUMA, and Kazuaki CHAYAMA. "Less hydrophobic phosphatidylcholine species simplify biliary vesicle morphology, but induce bile metastability with a broad spectrum of crystal forms." Biochemical Journal 362, no. 1 (2002): 105–12. http://dx.doi.org/10.1042/bj3620105.

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Cholesterol crystallization in bile is affected by phosphatidylcholine (PtdCho) hydrophobicity. The aim of the present study was to determine whether PtdCho species modulate the metastable—labile limit and equilibrium solubility of cholesterol in the micellar phase of bile, thereby altering the distribution of cholesterol to biliary lipid carriers and thus influencing cholesterol crystallization. Supersaturated model bile (with a cholesterol saturation index of 2.0 and a total lipid concentration of 10g/dl) was prepared with various PtdCho/(bile salt+PtdCho) ratios (0.1–0.5) using egg yolk or
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9

Poša, Mihalj, Srđan Bjedov, Vesna Tepavčević, Mira Mikulić, and Marija Sakač. "Physicochemical characterization of novel 3-carboxymethyl-bile salts, as permeability and solubility enhancers." Journal of Molecular Liquids 303 (April 2020): 112634. http://dx.doi.org/10.1016/j.molliq.2020.112634.

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10

Bandyopadhyay, A., and S. P. Moulik. "Cholesterol solubility by bile salts in pure and mixed states with various additives." Journal of Physical Chemistry 95, no. 11 (1991): 4529–34. http://dx.doi.org/10.1021/j100164a064.

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