23912972
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Fichas por Eleni Cico, actualizado hace más de 1 año
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Creado por Eleni Cico
hace más de 4 años
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| Pregunta | Respuesta |
| Define a probiotic | The word probiotic means pro life and is defined as live microorganisms which when administered in adequate amounts confirm a health benefit on the host. |
| The most studied probiotics for human use belong to | Lactobaccilus (acidophillus, casei, casei subsp, delbureckii subsp, bulgaricus, parasacei, plantarum, reuteri, rhamnosus, rhamnosus GG, sporogenes), Bificobacterium (animal subsp lactis,breve, longum, longum subsp infantis) or Saccharomyces species (boulardii) |
| Define microbiome | The microbiota is the set of organisms that share our body space and maybe commensal, symbiots or pathogens. The term microbiome refers exclusively to the genomic content of the microbiota. |
| Define pre-biotic | Pre-biotics are a group of nutrients that are acted upon and then degraded by gut microbiota |
| Define gut dysbiosis | The commensal-to-pathogens transition when stressed conditions rapidly decrease microbial diversity and promote the expansion of pathogens. |
| Define SIBO | SIBO Is defined as the presence of excessive bacteria in the small intestineAnd is implicated as the cause of chronic diarrhoeaAnd malabsorption. SIBO is defined as a bacterial population in the small intestine exceeding 10^5 - 10^6 organisms/ml |
| The microbiota of vaginally delivered infants has been observed to be enriched with which species of bacteria | Lactobacillus sp |
| The skin, mouth and gut of children delivered by C-section are colonised by which species of bacteria | Staphylococcus, Streptococcus, Propionibacteria |
| List any four functions of the microbiota in the human body | 1. synthesis and metabolism of certain nutrients hormones and vitamins in intestines. 2. provides nutrition for the survival of microorganisms and cytokines that can inhibit the growth of the pathogens 3. Involved in a cross-talk between the gut and brain (gut-brain axis) |
| What are the health effects of gut dybiosis | Gut microbiome imbalance is now understood to modulate inflammation (colitis, IBS), metabolic conditions (diabetes, overweight), liver function, and mental health (anxiety, depression, epilepsy) and autism spectrum disorderWhat is that it looks dodgyI thought you canAre youReallyDo youHey Jimmy!Collagen supplements can be greatAlthough not so much for AppleConditions are rather than building upIntegrity of The skin,StandingAnti-inflammatory and anti-ageing. It also depends on the brand. I think we spoke about this once before.The best way to taking collagenIs by having buying brassI'm sure that there are brands that great I just don't know of anyThat I can recommendIt's great for overall health, About display oasis and leaky gut conditions |
| Name 5 biochemical mechanisms/therapeutic actions associated with soluble fibre | 1. MOA is fermentation in the colon and changes in gut microflora. 2. Fermentation of polyphenols stimulates short chain fatty acid production 3. Provide fermentable substrates for bacteria in colon 4. Fermentation may release fiber-bound calcium 5. Increase in fecal bulk and shortened transit time |
| List 3 Health benefits of fibre to humans | 1. CVD: Lower cholesterol 2. Diabetes: Improved glycemic control and insulin sensitivity 3. Obesity & weight control: Fiber rich foods have lower energy density and higher volume which can promote satiety |
| List 3 functions of the liver | 1. Storage of nutrients 2. Bile secretion 3. Synthesis of cholesterol 4. Protein metabolism 5. Lipid metabolism 6. Breakdown of ertyhtrocytes |
| What is largest population of mononuclear cells/macrophages that are located int he liver | Kupffer cells |
| What is the importance of Kupffer cells to human health | Largest population of macrophages/phagocytes in the human body. Changes in functional activity of KC's contribute to a variety of diseased states ie. chronic inflammation of liver, NAFLD & FLD. Depletion of KCs contributes to dietary induced steatosis and insulin resistance. |
| What are the 2 main ways in which compounds broken down by the liver are excreted? | Urine & Bile |
| What are the main group of enzymes involved in phase I detox? What factors affect their optimal function | Cytochrome P450 Influenced by genetics, nutritional status, toxic exposure |
| Name 3 nutrients that support phase I detox | Copper, magnesium, zinc and Vit C |
| List 3 substances which lower phase I detox | Curcumin, Capsacain, Naringenin (grapefruit), clove oil |
| Why might you want to lower phase I detox? | to have balance in both phases and avoid toxic burden on the liver and body. A high amount of chemical exposure leads to an overactive phase I that is not inline with phase II (may be sure to nutrient deficiencies) causing accumulation of free radicals and intermediate metabolites in the body |
| Name the 6 phase II pathways and 2 nutirent substrates for each | 1. Glutathione - methionine and glycine 2. Methylation - methionine and B12, folate 3. Sulfation - methionine, B6, cysteine 4. Acetylation B1, B2, B3, B5 5. Glucoronidation - glucoronic acid & vit C 6. Amino acid conjugation - glycine, arginine, glutamine, taurine |
| Name 3 amino acid that constitute glutathione | Glutathione is a tripeptide cysteine, glutamine, and glycine |
| List cofactors and nutrients that are required for glutathione regeneration/anti-oxidative cycle. List the 2 enzymes involved in this process | Enzyme required for oxidation: glutathione peroxidases (GPx) that needs Selenium for its action. ❖ Enzyme required for reduction: Glutathione Reductase: that needs riboflavin and niacin for its reaction to convert glutathione to reduced form. ❖ Vitamin C also replenishes glutathione. |
| Name any two enzymes involved in alcohol metabolism | Cytochrome P450 Alcohol dehydrogenase (ADH) Aldehyde dehydrogenase (ALDH) Catalase |
| What important enzyme in the conversion of essential fatty acids to anti-inflammatory mediators may alcohol inhibit | delta-6 desaturase |
| Which nutrient can reverse alcohol induced fatty liver | Carnitine |
| Name 5 nutritional considerations to aid alcohol detoxification | 1.Increase liver detoxification nutrients especially antioxidants of Phase I 2.Alkalize the body to reduce acidity caused by alcohol 3.Carnitine to facilitate the transportation FAs into mitchondria and liver regeneration 4. Pro & pre biotics for gut flora 5. Fibre to aid toxin removal |
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