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Unbound Medicine.
(amylolysis)
177 results
  • Starch granular protein of high-amylose wheat gives innate resistance to amylolysis. [Journal Article]
    Food Chem. 2020 Jun 12; 330:127328.Li HT, Sartika RS, … Dhital S
  • Granular protein is an important structural feature in determining starch digestibility. High-amylose wheat starch (HAWS) with >80% amylose content contains more granular protein than wild-type starch. As analyzed by mass spectrometry-based proteomics, granular-bound starch synthase (GBSS) is the major granular protein in isolated starch materials. GBSS content increases with amylose content (Spe…
  • Organic Acids of the Microbiological Post-Culture Medium as Substrates to be Used for Starch Modification. [Journal Article]
    Polymers (Basel). 2019 Mar 12; 11(3)Zdybel E, Zięba T, … Tomaszewska-Ciosk E
  • This study aimed to identify the feasibility of producing highly-substituted starch esters via thermal modification of starch using a post-culture medium of Yarrowia lipolitica yeast. This manuscript describes a successful attempt at potato starch modification with a post-culture medium of Yarrowia lipolitica yeast with different concentrations of organic acids. Starch preparations produced by ro…
  • Effect of organic acids on bread quality improvement. [Journal Article]
    Food Chem. 2019 Apr 25; 278:267-275.Su X, Wu F, … Xu X
  • This study aimed to improve the bread quality by adding acetic acid, lactic acid, malic acid, fumaric acid and citric acid to its ingredients. The underlying mechanism was explored through the changes in the yeast activity, proteolysis and amylolysis. All organic acids gave bread a higher specific volume, a lower moisture content, a lower pH value and a decreased hardness. Moreover, the yeast act…
  • In vitro hypoglycemic potential of spices: Cinnamon and Cumi. [Journal Article]
    Pak J Pharm Sci. 2018 Nov; 31(6):2367-2372.Puttaswamy NY, Rupini GD, … Urooj A
  • Present study evaluates the anti-hyperglycemic potential of two Indian spices Cinnamomum zeylanicum(CZ) and Cumin cyminum(CC) (whole powder and aqueous extracts) using in vitro techniques like glucose adsorption assay, amylolysis kinetics and ex vivo assays like amylase, Sucrase and α-glucosidase assay. CZ displayed higher glucose adsorption and glucose diffusion retardation than CC, as shown by …
  • Macromolecular characteristics and fine structure of amylomaltase-treated cassava starch. [Journal Article]
    Carbohydr Polym. 2019 Feb 01; 205:143-150.Boonna S, Rolland-Sabaté A, … Tongta S
  • This work investigates the macromolecular structure of native and amylomaltase (AM) treated cassava starch at various reaction times. AM-treated starches showed lower amylose content compared to their parental starch. Long chain proportions (DP 25-80) increased with reaction time up to 4 h and then slightly decreased at 24 h. Macromolecular and fine structure of AM-treated starches for 5 min (AM5…
  • A multiscale kinetics model for the analysis of starch amylolysis. [Journal Article]
    Int J Biol Macromol. 2019 Feb 01; 122:405-409.Bello-Perez LA, Agama-Acevedo E, … Alvarez-Ramirez J
  • Simple exponential decaying functions are commonly used for fitting the kinetics of starch digested by amylolytic enzymes. A common assumption is that a sole exponential function can account for the kinetics of the whole digestible starch. Recent studies using logarithm-of-slope (LOS) plots showed that digestion kinetics can exhibit multi-scale behavior, an effect reflecting starch fractions with…
  • Influence of nano-fibrillated cellulose (NFC) on starch digestion and glucose absorption. [Journal Article]
    Carbohydr Polym. 2018 Sep 15; 196:146-153.Liu L, Kerr WL, … Lin M
  • Nano-fibrillated cellulose (NFC) is of interest in several fields due to its unique physical properties derived from its nanoscale dimensions. NFC has potential use in food systems as a dietary fiber that increases viscosity and limit diffusion of glucose. This study focused on the effects of added NFC on solution viscosity, starch digestion and glucose absorption. NFC did not affect α-amylase an…
  • The important role of salivary α-amylase in the gastric digestion of wheat bread starch. [Journal Article]
    Food Funct. 2018 Jan 24; 9(1):200-208.Freitas D, Le Feunteun S, … Souchon I
  • The role of salivary α-amylase (HSA) in starch digestion is often overlooked in favour of that of pancreatic α-amylase due to the short duration of the oral phase. Although it is generally accepted that the amylase of salivary origin can continue to be active in the stomach, studies ascertaining its contribution are lacking. This study aimed to address this issue by coupling in vitro oral process…
  • Physicochemical properties of black pepper (Piper nigrum) starch. [Journal Article]
    Carbohydr Polym. 2018 Feb 01; 181:986-993.Zhu F, Mojel R, Li G
  • Black pepper (Piper nigrum) is among the most popular spices around the world. Starch is the major component of black pepper. However, little is known about functional properties of this starch. In this study, swelling, solubility, thermal properties, rheology, and enzyme susceptibility of 2 black pepper starches were studied and compared with those of maize starch. Pepper starch had lower water …
  • Performance of Granular Starch with Controlled Pore Size during Hydrolysis with Digestive Enzymes. [Journal Article]
    Plant Foods Hum Nutr. 2017 Dec; 72(4):353-359.Benavent-Gil Y, Rosell CM
  • Studies on porous starch have been directed to explore different industrial applications as bio-adsorbents of a variety of compounds. However, the analysis of starch digestibility is essential for food application. The objective of this study was to determine the impact of porous structure on in vitro starch digestibility. Porous starches were obtained using a range of concentrations of amylogluc…
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