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Journal articles on the topic 'Digestion, physiology'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2025

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1

Heras, Joseph, Mahul Chakraborty, J. J. Emerson, and Donovan P. German. "Genomic and biochemical evidence of dietary adaptation in a marine herbivorous fish." Proceedings of the Royal Society B: Biological Sciences 287, no. 1921 (2020): 20192327. http://dx.doi.org/10.1098/rspb.2019.2327.

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Adopting a new diet is a significant evolutionary change, and can profoundly affect an animal's physiology, biochemistry, ecology and genome. To study this evolutionary transition, we investigated the physiology and genomics of digestion of a derived herbivorous fish, Cebidichthys violaceus . We sequenced and assembled its genome (N50 = 6.7 Mb) and digestive transcriptome, and revealed the molecular changes related to digestive enzymes (carbohydrases, proteases and lipases), finding abundant evidence of molecular adaptation. Specifically, two gene families experienced expansion in copy number

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Bauer, E., S. Jakob, and R. Mosenthin. "Principles of Physiology of Lipid Digestion." Asian-Australasian Journal of Animal Sciences 18, no. 2 (2005): 282–95. http://dx.doi.org/10.5713/ajas.2005.282.

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3

Rodrigo, Ana P., Maria H. Costa, António Pedro Alves de Matos, Francisco Carrapiço, and Pedro M. Costa. "A Study on the Digestive Physiology of a Marine Polychaete (Eulalia viridis) through Microanatomical Changes of Epithelia During the Digestive Cycle." Microscopy and Microanalysis 21, no. 1 (2014): 91–101. http://dx.doi.org/10.1017/s143192761401352x.

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AbstractAs for many invertebrates, the gut of marine polychaete species has key physiological functions. However, studies integrating microanatomical descriptions with physiological processes are scarce. The present investigates histological, histochemical and cytological changes in the alimentary canal during the digestive cycle of the marine annelid Eulalia viridis, a species that combines opportunist scavenging, predation and cannibalistic behavior. The gut is comprised of an eversible pharynx, esophagus, intestine and rectum. Three main phases of digestion were identified, namely, resting/

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4

Ding, Jingyun, Huiyan Wang, Zequn Li, et al. "Digestive Enzyme Activities and Gut Emptying Are Correlated with the Reciprocal Regulation of TRPA1 Ion Channel and Serotonin in the Gut of the Sea Urchin Strongylocentrotus intermedius." Biology 11, no. 4 (2022): 503. http://dx.doi.org/10.3390/biology11040503.

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The energetic link in the benthic community is based on physiological characteristics of the low food absorption efficiency of sea urchins. Low food absorption efficiency of sea urchins is correlated with the activity of digestive enzymes and the duration of food in their gut. Thus, the digestive enzymes activities (pepsin and amylase enzyme activities) and gut emptying are important indicators in assessing nutrient digestion and absorption in sea urchins. In the present study, the relationship between these indicators and molecules related to digestive physiology were quantified in sea urchin

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Lian, Dawei, Jieqing Lai, Yanjiao Wu, et al. "Cathepsin B-Mediated NLRP3 Inflammasome Formation and Activation in Angiotensin II -Induced Hypertensive Mice: Role of Macrophage Digestion Dysfunction." Cellular Physiology and Biochemistry 50, no. 4 (2018): 1585–600. http://dx.doi.org/10.1159/000494656.

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Background/Aims: Angiotensin II (Ang II) is an octapeptide hormone that plays a significant role in mediating hypertension. Although hypertension is considered a chronic inflammatory disease, the molecular basis of the sterile inflammatory response involved in hypertension remains unclear. Methods: We investigated the role of macrophage NLRP3 inflammasomes in engulfing and digesting microbes, a key macrophage function, and in early onset of hypertension-associated macrophage injury using biochemical analyses, gene silencing, molecular biotechnology, immunofluorescence, and microbiology. Result

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Mishra Sarita and Parameswarappa S. Byadgi. "Proper digestion as a regulator of female reproductive physiology- An Ayurvedic perspective." International Journal of Research in Pharmaceutical Sciences 10, no. 3 (2019): 2199–208. http://dx.doi.org/10.26452/ijrps.v10i3.1452.

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Neuro-hormonal regulation of female reproductive system is a well established theory till today which believes that Gonadotropin-Releasing Hormone(GnRH) is the primary signal that control the activity of Anterior Pituitary Gonadotrops which regulates secretion of Follicular Stimulating Hormone ( FSH ) and Luteinzing Hormone ( LH ). Further FSH and LH regulate growth of ovarian follicle and their proper balance results in ovulation. There is consensus among experts about hypothalamus that secret GnRH is the primary site that regulates female reproductive physiology. Now researchers are focused

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Karasov, William H., and Jared M. Diamond. "Interplay between Physiology and Ecology in Digestion." BioScience 38, no. 9 (1988): 602–11. http://dx.doi.org/10.2307/1310825.

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8

Granger, D. Neil, James Morris, and Peter R. Kvietys. "Physiology and Pathophysiology of Digestion, Part 1." Colloquium Series on Integrated Systems Physiology: From Molecule to Function 10, no. 1 (2018): i—90. http://dx.doi.org/10.4199/c00165ed1v01y201806isp082.

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9

Granger, D. Neil, James Morris, and Peter R. Kvietys. "Physiology and Pathophysiology of Digestion, Part 2." Colloquium Series on Integrated Systems Physiology: From Molecule to Function 10, no. 2 (2018): i—112. http://dx.doi.org/10.4199/c00166ed1v02y201806isp083.

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Granger, D. Neil, James Morris, and Peter R. Kvietys. "Physiology and Pathophysiology of Digestion, Part 3." Colloquium Series on Integrated Systems Physiology: From Molecule to Function 10, no. 2 (2018): i—118. http://dx.doi.org/10.4199/c00167ed1v03y201806isp084.

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11

KAY, JOHN. "Comparative Biochemistry and Physiology of Enzymatic Digestion." Biochemical Society Transactions 14, no. 5 (1986): 987. http://dx.doi.org/10.1042/bst0140987a.

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12

Guangyong, Zhao. "Ruminant physiology: digestion, metabolism, growth and reproduction." Animal Feed Science and Technology 88, no. 3-4 (2000): 269–70. http://dx.doi.org/10.1016/s0377-8401(00)00226-1.

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13

Davenport, H. W. "Comparative biochemistry and physiology of enzymatic digestion." Gastroenterology 90, no. 1 (1986): 251. http://dx.doi.org/10.1016/0016-5085(86)90112-5.

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14

Govoni, John J., George W. Boehlert, and Yoshirou Watanabe. "The physiology of digestion in fish larvae." Environmental Biology of Fishes 16, no. 1-3 (1986): 59–77. http://dx.doi.org/10.1007/bf00005160.

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15

Reinoso Tapia, Roberto, Itziar Fernández, Javier Bobo-Pinilla, and Jaime Delgado-Iglesias. "Teaching digestive system: Spanish pre-service teacher’s learning difficulties and alternative conceptions." Eurasia Journal of Mathematics, Science and Technology Education 19, no. 4 (2023): em2244. http://dx.doi.org/10.29333/ejmste/13037.

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The aim of the research was to analyze the learning difficulties and alternative conceptions that Spanish pre-service teachers have about digestive physiology and anatomy. The study was conducted on a primary education bachelor’s degree biology course during the 2021/2022 academic year (n=91). The participants were asked to complete a conceptual test before (pre-test) and after the instruction (post-test). The results revealed that they had a limited knowledge of the digestive process before instruction (pre-test), especially those in the humanities baccalaureate group. Numerous alternative co

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H. Karasov, William, and Angela E. Douglas. "Comparative Digestive Physiology." Comprehensive Physiology 3, no. 2 (2013): 741–83. https://doi.org/10.1002/j.2040-4603.2013.tb00501.x.

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AbstractIn vertebrates and invertebrates, morphological and functional features of gastrointestinal (GI) tracts generally reflect food chemistry, such as content of carbohydrates, proteins, fats, and material(s) refractory to rapid digestion (e.g., cellulose). The expression of digestive enzymes and nutrient transporters approximately matches the dietary load of their respective substrates, with relatively modest excess capacity. Mechanisms explaining differences in hydrolase activity between populations and species include gene copy number variations and single‐nucleotide polymorphisms. Trans

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Garvey, Sean M., Erin N. Madden, Yunyao Qu, Caroline H. Best, and Kelly M. Tinker. "The Effects of a Microbial Enzyme Mixture on Macronutrient Hydrolysis in a Static Simulation of Oro-Gastric Digestion That Models Human Digestive Senescence." Foods 14, no. 6 (2025): 937. https://doi.org/10.3390/foods14060937.

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Observational studies have shown that human digestive function declines naturally with age. Oral enzyme supplementation is a candidate strategy to enhance macronutrient digestion in older adults. The objective of this study was to test the effects of a mixture of six microbial enzyme preparations (ENZ) on nutrient bioaccessibility from a mixed meal in an in vitro model of digestive senescence. The mixed meal included chicken meat, peas, and potatoes. The INFOGEST 2.0 static simulation of oro-gastric digestion was used to model human digestive physiology along with a consensus protocol to model

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18

Pelavski, Andrés. "PHYSIOLOGY IN PLATO'S TIMAEUS: IRRIGATION, DIGESTION AND RESPIRATION." Cambridge Classical Journal 60 (September 15, 2014): 61–74. http://dx.doi.org/10.1017/s1750270514000086.

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The third part of the Timaeus, where the account is focused on the cooperation of reason and necessity, has received far less attention than the opening two sections. Particularly, the description of irrigation, digestion and respiration constitutes a challenging passage that has been conspicuously overlooked by scholarly research. Virtually the only modern explanation for the passage was devised by Cornford, and despite several inaccuracies it has been unanimously accepted by all commentators. This paper will challenge Cornford's interpretation, and use some modern biological concepts to prov

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19

Dimov, Ivan, and Morris F. Maduro. "The C. elegans intestine: organogenesis, digestion, and physiology." Cell and Tissue Research 377, no. 3 (2019): 383–96. http://dx.doi.org/10.1007/s00441-019-03036-4.

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20

Zhang, Aoying, Tao Li, Lisha Yuan, Mingtao Tan, Dun Jiang, and Shanchun Yan. "Digestive Characteristics of Hyphantria cunea Larvae on Different Host Plants." Insects 14, no. 5 (2023): 463. http://dx.doi.org/10.3390/insects14050463.

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Digestive physiology mediates the adaptation of phytophagous insects to host plants. In this study, the digestive characteristics of Hyphantria cunea larvae feeding preferences on different host plants were investigated. The results showed that the body weight, food utilization, and nutrient contents of H. cunea larvae feeding on the high-preference host plants were significantly higher than those feeding on the low-preference host plants. However, the activity of larval digestive enzymes in different host plants presented an opposite trend, as higher α-amylase or trypsin activity was observed

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21

Rogers, R. C., D. M. McTigue, and G. E. Hermann. "Vagovagal reflex control of digestion: afferent modulation by neural and "endoneurocrine" factors." American Journal of Physiology-Gastrointestinal and Liver Physiology 268, no. 1 (1995): G1—G10. http://dx.doi.org/10.1152/ajpgi.1995.268.1.g1.

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Vagovagal reflex control circuits in the dorsal vagal complex of the brain stem provide overall coordination of gastric, small intestinal, and pancreatic digestive functions. The neural components forming these reflex circuits are under substantial descending neural control. By adjusting the excitability of the differing components of the reflex, significant alterations in digestion control can be produced by the central nervous system. Additionally, the dorsal vagal complex is situated within a circumventricular region without a "blood-brain barrier." As a result, vagovagal reflex circuitry i

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22

Place, A. R. "Comparative aspects of lipid digestion and absorption: physiological correlates of wax ester digestion." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 263, no. 3 (1992): R464—R471. http://dx.doi.org/10.1152/ajpregu.1992.263.3.r464.

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Our understanding of lipid digestion and absorption is largely derived from studies with glyceride-based dietary lipids. Yet for a great majority of marine species, wax esters (long-chain fatty alcohols esterified to long-chain fatty acids) are the dominant dietary neutral lipid. Many birds, especially seabirds (9 species) and some passerines (2 species), have a unique capacity for assimilating wax esters with higher efficiencies (greater than 90%) than that attainable by mammals (less than 50%). This unique capacity is correlated with several factors. One factor is an elevated intestinal bile

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23

Parfeonov, A. I., E. A. Sabelnikova, S. Vbykova, et al. "Enteropathy with impaired membrane digestion as nosological form." Medical alphabet 1, no. 6 (2019): 37–46. http://dx.doi.org/10.33667/2078-5631-2019-1-6(381)-37-46.

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The article provides information about the physiology and pathology of membrane digestion. Described etiology, pathogenesis, clinical picture and diagnosis of enteropathy with impaired membrane digestion are described in it. The treatment is based on cytoprotector-Rebamipide that increases the activity of membrane enzymes of duodenal mucosa.

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24

Codron, Daryl, and Marcus Clauss. "Rumen physiology constrains diet niche: linking digestive physiology and food selection across wild ruminant species." Canadian Journal of Zoology 88, no. 11 (2010): 1129–38. http://dx.doi.org/10.1139/z10-077.

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We propose a hypothesis for digestive constraints on the browsing and grazing options available to ruminants: that the diet-niche range (maximum and minimum grass intake) of a species is dependent upon its predisposition to stratified rumen contents, based on observations that this characteristic is a critical step towards enhanced fibre digestion and greater fluid throughput. We compare a physiological (heterogeneity of ingesta fluid content) and an anatomical (the intraruminal papillation pattern) measure with dietary evidence for a range of African and temperate species. Both measures are s

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25

Susilo, Untung, Purnama Sukardi, and Ridwan Affandi. "The Age Dependent Activities of Digestive Enzymes in Rasbora, Rasbora lateristriata Blkr., (Pisces: Cyprinidae)." Molekul 13, no. 1 (2018): 80. http://dx.doi.org/10.20884/1.jm.2018.13.1.418.

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This study was to evaluate the digestive enzyme activity included a total protease, trypsin, chymotrypsin, lipase, amylase, cellulase and alkaline phosphatase in Rasbora. This research was carried out using three different ages (2, 4 and 6 months) and in each age consisted of six groups (replicates). In this study 150 fish (±2 months age), 120 fish (± 4 months age) and 90 fish (± 6 months age) were used. All digestion enzyme activity was measured by the spectrophotometric method, except the lipase activity was by the titration method. The results showed that the distinctness of age resulted in

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Covasa, Mihai, and Robert C. Ritter. "Reduced sensitivity to the satiation effect of intestinal oleate in rats adapted to high-fat diet." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 277, no. 1 (1999): R279—R285. http://dx.doi.org/10.1152/ajpregu.1999.277.1.r279.

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When rats are maintained on high-fat diets, digestive processes adapt to provide for more efficient digestion and absorption of this nutrient. Furthermore, rats fed high-fat diets tend to consume more calories and gain more weight than rats on a low-fat diet. We hypothesized that, in addition to adaptation of digestive processes, high-fat maintenance diets might result in reduction of sensitivity to the satiating effects of fat digestion products, which inhibit food intake by activating sensory fibers in the small intestine. To test this hypothesis we measured food intake after intestinal infu

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López-Samanes, Alvaro. "The Role of Nutrition in Applied Physiology." Nutrients 17, no. 7 (2025): 1227. https://doi.org/10.3390/nu17071227.

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Nutrition in applied and exercise physiology explores the relationship between nutrients and human body functions, focusing on the biochemical processes involved in the absorption, digestion, and utilization of food, nutrients, and other dietary compounds, as well as their impact on human performance [...]

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Spit, J., L. Badisco, H. Verlinden, et al. "Peptidergic control of food intake and digestion in insects 1This review is part of a virtual symposium on recent advances in understanding a variety of complex regulatory processes in insect physiology and endocrinology, including development, metabolism, cold hardiness, food intake and digestion, and diuresis, through the use of omics technologies in the postgenomic era." Canadian Journal of Zoology 90, no. 4 (2012): 489–506. http://dx.doi.org/10.1139/z2012-014.

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Like all heterotrophic organisms, insects require a strict control of food intake and efficient digestion of food into nutrients to maintain homeostasis and to fulfill physiological tasks. Feeding and digestion are steered by both external and internal signals that are transduced by a multitude of regulatory factors, delivered either by neurons innervating the gut or mouthparts, or by midgut endocrine cells. The present review gives an overview of peptide regulators known to control feeding and digestion in insects. We describe the discovery and functional role in these processes for insect al

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Jesudason, Rajiv, Lauren Black, Arnab Majumdar, Phillip Stone, and Bela Suki. "Differential effects of static and cyclic stretching during elastase digestion on the mechanical properties of extracellular matrices." Journal of Applied Physiology 103, no. 3 (2007): 803–11. http://dx.doi.org/10.1152/japplphysiol.00057.2007.

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Enzyme activity plays an essential role in many physiological processes and diseases such as pulmonary emphysema. While the lung is constantly exposed to cyclic stretching, the effects of stretch on the mechanical properties of the extracellular matrix (ECM) during digestion have not been determined. We measured the mechanical and failure properties of elastin-rich ECM sheets loaded with static or cyclic uniaxial stretch (40% peak strain) during elastase digestion. Quasistatic stress-strain measurements were taken during 30 min of digestion. The incremental stiffness of the sheets decreased ex

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Poquet, Laure, and Tim J. Wooster. "Infant digestion physiology and the relevance ofin vitrobiochemical models to test infant formula lipid digestion." Molecular Nutrition & Food Research 60, no. 8 (2016): 1876–95. http://dx.doi.org/10.1002/mnfr.201500883.

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31

Rothman, Stephen, Charles Liebow, and Lois Isenman. "Conservation of Digestive Enzymes." Physiological Reviews 82, no. 1 (2002): 1–18. http://dx.doi.org/10.1152/physrev.00022.2001.

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The traditional understanding is that an entirely new complement of digestive enzymes is secreted by the pancreas into the small intestines with each meal. This is thought to be necessary because, like food itself, these enzymes are degraded during digestion. In this review we discuss experiments that bring this point of view into question. They suggest that digestive enzymes can be absorbed into blood, reaccumulated by the pancreas, and reutilized, instead of being reduced to their constituent amino acids in the intestines. This is called an enteropancreatic circulation of digestive enzymes.

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Lambert, Joanna E. "Primate digestion: Interactions among anatomy, physiology, and feeding ecology." Evolutionary Anthropology: Issues, News, and Reviews 7, no. 1 (1998): 8–20. http://dx.doi.org/10.1002/(sici)1520-6505(1998)7:1<8::aid-evan3>3.0.co;2-c.

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Petry, Amy L., and Hannah Miller. "166 Beyond solubility: Navigating the complex landscape of dietary fiber in swine digestion and physiology." Journal of Animal Science 102, Supplement_2 (2024): 187. http://dx.doi.org/10.1093/jas/skae102.209.

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Abstract Dietary fiber comprises a diverse group of cell wall polysaccharides, along with lignin, that resist digestion by endogenous enzymes in non-ruminants. Over the past 50 yr, our understanding of dietary fiber has significantly advanced, resulting in diverse definitions and analytical methods that have deepened our comprehension of its role in swine nutrition. However, the analysis of dietary fiber remains one of the most intricate, expensive, and resource-intensive aspects of monogastric nutrition research. From the early days of crude fiber and detergent fiber techniques to the more re

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Cheng, Ming, Jiali He, Yu Gu, et al. "Changes in Phenolic Compounds and Antioxidant Capacity of Artocarpus heterophyllus Lam. (Jackfruit) Pulp during In Vitro Gastrointestinal Digestion." Antioxidants 13, no. 1 (2023): 37. http://dx.doi.org/10.3390/antiox13010037.

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An in vitro gastrointestinal digestion model was applied to investigate the effect of digestion on the phenolic compounds and antioxidant capacity of Artocarpus heterophyllus Lam. (jackfruit) pulp. The total phenol content (TPC) was determined using Folin–Ciocalteu method, and the antioxidant activities were evaluated by DPPH and ABTS assays. Phenolic compounds were analyzed using ultra-performance liquid chromatography coupled with electrospray ionization, followed by quadrupole time-of-flight mass spectrometry (UPLC-ESI-Q-TOF-MS/MS). The results showed that TPC was significantly higher after

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Zijlstra, R. T., R. Jha, A. D. Woodward, J. Fouhse, and T. A. T. G. van Kempen. "Starch and fiber properties affect their kinetics of digestion and thereby digestive physiology in pigs." Journal of Animal Science 90, suppl_4 (2012): 49–58. http://dx.doi.org/10.2527/jas.53718.

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36

Tamaki, Fábio K., André C. Pimentel, Alcides B. Dias, et al. "Physiology of digestion and the molecular characterization of the major digestive enzymes from Periplaneta americana." Journal of Insect Physiology 70 (November 2014): 22–35. http://dx.doi.org/10.1016/j.jinsphys.2014.08.007.

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Pescke, Ismael Krüger, and Tatiana Montanari. "Magic forest, a game about digestion." Cadernos de Educação Tecnologia e Sociedade 14, no. 1 (2021): 22. http://dx.doi.org/10.14571/brajets.v14.n1.22-28.

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The making of knowledge is based on the interaction between the subject and the object, and the digital educational games guarantee a multimedia interactivity, because visual and sound stimuli and action resources are conjoined. A game was developed to support the teaching about the digestive system in Science and Biology classes at the elementary and high school level. Magic forest, a game about digestion was created by Adobe Captivate software, using photographs of histological sections under a light microscope, and illustrations and animations made by Adobe Illustrator, Photoshop and After

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Goodman, Barbara E. "Insights into digestion and absorption of major nutrients in humans." Advances in Physiology Education 34, no. 2 (2010): 44–53. http://dx.doi.org/10.1152/advan.00094.2009.

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Nutrient digestion and absorption is necessary for the survival of living organisms and has evolved into the complex and specific task of the gastrointestinal (GI) system. While most people simply assume that their GI tract will work properly to use nutrients, provide energy, and release wastes, few nonscientists know the details about how various nutrients are digested and how the breakdown products traverse the cells lining the small intestine to reach the blood stream and to be used by the other cells of the body. There have been several recent discoveries of new transporters that likely co

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Gasanov, M. Z., and V. P. Terentyev. "Professor Kudrevetski Vasily Vasilievich — Little Known Biography Facts." Russian Archives of Internal Medicine 11, no. 3 (2021): 165–72. http://dx.doi.org/10.20514/2226-6704-2021-11-3-165-172.

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The scientist’s professional activities were associated with the Imperial University of Warsaw, where he headed the department of the faculty therapeutic clinic (1895-1910), was the dean of the medical faculty and acting as the rector (1909-1910). Professor Kudrevetski V.V. was a scholar of an outstanding scientist, academician Pavlov I.P. Under his leadership in a small laboratory of the prof. S.P. Botkin clinic, they carried out the first fundamental research and experimental work on the physiology of digestion. The accumulated experience on this topic allowed Kudrevetski to defend his docto

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Holt, P. R., and J. A. Balint. "Effects of aging on intestinal lipid absorption." American Journal of Physiology-Gastrointestinal and Liver Physiology 264, no. 1 (1993): G1—G6. http://dx.doi.org/10.1152/ajpgi.1993.264.1.g1.

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Because of the "graying" of the population there is increasing interest in age-related changes in organ physiology. Impairment of lipid absorption, if present, could lead to malnutrition in the elderly while increased uptake of cholesterol could contribute to the rise in serum cholesterol levels seen in older individuals. This review critically analyzes the available information on age-related changes in digestive and absorptive physiology of lipids. Overall, the data suggest that lipid digestion and absorption are, in general, well-preserved in aging. However, intercurrent illness or experime

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Clemente-Suárez, Vicente Javier, Laura Redondo-Flórez, Ana Isabel Beltrán-Velasco, et al. "Human Digestive Physiology and Evolutionary Diet: A Metabolomic Perspective on Carnivorous and Scavenger Adaptations." Metabolites 15, no. 7 (2025): 453. https://doi.org/10.3390/metabo15070453.

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This review examines human digestive physiology and metabolic adaptations in the context of evolutionary dietary patterns, particularly those emphasizing carnivorous and scavenging behaviors. By integrating metabolomic data with archaeological, anatomical, and microbiological evidence, the study explores how early hominins adapted to intermittent but energy-dense animal-based diets. The analysis highlights the development of hepatic insulin resistance, enhanced fat and protein metabolism, and shifts in gut microbiota diversity as physiological signatures of meat consumption. Comparative evalua

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Macfarlane, George T., and Sandra Macfarlane. "Bacteria, Colonic Fermentation, and Gastrointestinal Health." Journal of AOAC INTERNATIONAL 95, no. 1 (2012): 50–60. http://dx.doi.org/10.5740/jaoacint.sge_macfarlane.

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Abstract The colonic microbiota plays an important role in human digestive physiology and makes a significant contribution to homeostasis in the large bowel. The microbiome probably comprises thousands of different bacterial species. The principal metabolic activities of colonic microorganisms are associated with carbohydrate and protein digestion. Nutrients of dietary and host origin support the growth of intestinal organisms. Short-chain fatty acids (SCFAs), predominantly acetate, propionate, and butyrate, are the principal metabolites generated during the catabolism of carbohydrates and pro

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Rocha, Cássia Pantoja, Carlos Murilo Tenório Maciel, Wagner C. Valenti, Patricia Moraes-Valenti, Iracilda Sampaio, and Cristiana Ramalho Maciel. "Prospection of putative genes for digestive enzymes based on functional genome of the hepatopancreas of Amazon river prawn." Acta Scientiarum. Animal Sciences 44 (March 7, 2022): e53894. http://dx.doi.org/10.4025/actascianimsci.v44i1.53894.

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Over recent years, Macrobrachium amazonicum has become a popular species for shrimp farming due to their fast growth, high survival rates, and marketability. Several studies have focused on the development of new technology for the culture of this species, but many aspects of their nutrition and physiology remain unknown. Thus, the goal of the present study was to obtain transcripts of putative genes encoding digestive enzymes, based on a library of the cDNA from the hepatopancreas of M. amazonicum, sequenced in the Ion TorrentTM platform. We identified fragments of nine genes related to diges

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Kårlund, Anna, Isa Paukkonen, Carlos Gómez-Gallego, and Marjukka Kolehmainen. "Intestinal Exposure to Food-Derived Protease Inhibitors: Digestion Physiology- and Gut Health-Related Effects." Healthcare 9, no. 8 (2021): 1002. http://dx.doi.org/10.3390/healthcare9081002.

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Plant-derived protease inhibitors (PI), such as Bowman-Birk inhibitors and Kunitz-type inhibitors, have been suggested to negatively affect dietary protein digestion by blocking the activity of trypsin and chymotrypsin in the human gastrointestinal system. In addition, some PIs may possess proinflammatory activities. However, there is also scientific evidence on some beneficial effects of PIs, for example, gut-related anti-inflammatory and chemopreventive activities in vitro and in vivo. Some PIs are sensitive to processing and digestion; thus, their survival is an important aspect when consid

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Savoie, L. "Digestion and absorption of food: usefulness and limitations of in vitro models." Canadian Journal of Physiology and Pharmacology 72, no. 4 (1994): 407–14. http://dx.doi.org/10.1139/y94-060.

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The digestion and absorption of food is a spatiotemporal and dynamic process involving complex enzymatic and transport reactions, and it is illusive to try to reproduce in a single model all these biochemical and physiological events. A more practical and realistic approach is to separately evaluate the specific contributions of oral and gastric digestion, intestinal digestion by pancreatic enzymes, brush-border hydrolysis, and eventually intestinal absorption and enterocyte metabolism. The models proposed must be versatile enough to be able to modify their conditions of operation according to

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Pinares-Patiño, C. S., G. C. Waghorn, A. Machmüller, et al. "Methane emissions and digestive physiology of non-lactating dairy cows fed pasture forage." Canadian Journal of Animal Science 87, no. 4 (2007): 601–13. http://dx.doi.org/10.4141/cjas06023.

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The objective of this study was to identify intake and digestion characteristic(s) responsible for variation in methane (CH4) emissions from non-lactating cows fed pasture forage. Nine Friesian × Jersey cows ranked low, medium or high CH4 emitters [group means 15.3, 19.2 and 24.8 g kg-1 dry matter intake (DMI), respectively; P = 0.015] were selected from a herd of 302 lactating cows. The selected cows were dried-off, rumen-fistulated, and fed indoors on fresh pasture forage at 0700 and 1700. Voluntary feed intake (VFI), feeding behaviour and intake rates (IR) were measured over 5 d. Feed allow

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Editor8, Section. "The Role of Gut Microbiota in Food Digestion and Its Implications for Human Health." Journal of Food Sciences 5, no. 1 (2024): 16–29. http://dx.doi.org/10.47941/jfs.1840.

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Purpose: The general aim of this study was to examine the role of gut microbiota in food digestion and its implications for human health. Methodology: The study adopted a desktop research methodology. Desk research refers to secondary data or that which can be collected without fieldwork. Desk research is basically involved in collecting data from existing resources hence it is often considered a low cost technique as compared to field research, as the main cost is involved in executive’s time, telephone charges and directories. Thus, the study relied on already published studies, reports and

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KONCICKI, ANDRZEJ, BARTŁOMIEJ TYKAŁOWSKI, and TOMASZ STENZEL. "Is a holistic approach to the treatment of enteropathy justified in poultry?" Medycyna Weterynaryjna 81, no. 5 (2025): 213–20. https://doi.org/10.21521/mw.7014.

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The aim of this article was to examine the rationale behind a holistic approach to the prevention and treatment of gastrointestinal disorders in poultry. The avian digestive tract is functionally integrated with other bodily systems. This complex system is responsible for food digestion, nutrient absorption, and excretion of undigested waste products. Therefore, it plays a crucial role in overall health and well-being, and dysfunctions affecting any part of the gastrointestinal tract can have serious consequences. In view of the anatomical structure of the avian digestive tract and the specifi

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G, Aswathy, C. K. Prathibha, and Ananth Ram Sharma. "AMLAPITTA - A DISRUPTION IN THE PHYSIOLOGY OF DIGESTION: A REVIEW." International Journal of Research in Ayurveda & Pharmacy 7, no. 5 (2016): 11–14. http://dx.doi.org/10.7897/2277-4343.075209.

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Bubb, Claire. "The Physiology of Phantasmata in Aristotle: between Sensation and Digestion." Apeiron 52, no. 3 (2019): 273–315. http://dx.doi.org/10.1515/apeiron-2018-0015.

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Abstract In this article, I foreground the physiology of phantasia in Aristotle, which has been comparatively understudied. In the first section, I offer a new interpretation of the relationship between aisthēmata (sense perceptions) and phantasmata, based on passages in the De Anima and the Parva Naturalia, and for a nuanced understanding of their respective substrates in the body, which I argue to be connate pneuma and blood. In the second section, I draw out the ramifications of this physiological presence of phantasmata in the blood and compare the integration of phantasmata into a person

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