Plaque And Bleeding From Gums

Discussion in 'Dental Archive' started by ironjustice, Nov 2, 2010.

  1. ironjustice

    ironjustice Guest

    Lactobacillus reuteri good for health
    02.11.2010
    There is a great deal of interest in the impact of lactic acid
    bacteria on our health.
    Now a new study from the Faculty of Health and Society, Malmö
    University, in Sweden,
    shows that the occurrence of Lactobacillus reuteri in the body
    promotes health.

    Humans have used lactic acid bacteria for thousands of years to
    conserve and enhance
    the nutritional value of sensitive foods.
    Today various strains of lactobacilli and bifidobacteria are added to
    many foods.


    Research has shown that several different strains of Lactobacillus
    reuteri have a
    positive effect on health, including various types of
    gastrointestinal
    disorders and
    oral health.
    It is also believed that lactobacilli play a role in the development
    of allergies.


    In the 1960s, when the bacterium was discovered, L. reuteri occurred
    naturally in the
    bodies of 30–40 percent of the population.
    Today it is found in 10–20 percent.


    “We relate this drop to changes in lifestyle.
    We don’t eat fermented foods, such as sauerkraut, to the same extent
    as before and use
    preservatives, which kill bacteria in the food and in the body,” says
    Gabriela Sinkiewicz,
    a researcher at the Faculty of Health and Society, Malmö University,
    who will soon be
    submitting her dissertation on L. reuteri.


    Gabriela Sinkiewicz is one of the first researchers to determine that
    the bacterium
    occurs naturally in breast milk in some women from geographically
    diverse countries.
    She has compared the occurrence of L. reuteri in the breast milk of
    women in seven
    countries on different continents.


    “On average one of seven women had the bacterium in their breast
    milk.
    In Japan and Korea, however, women had higher concentrations of
    lactobacilli,” says
    Sinkiewicz, who says that the prevalence of L. reuteri in breast milk
    is important,
    as it helps the infant’s intestinal system to mature and its immune
    defense to develop.
    She also maintains that it affects the risk of developing allergies.


    Gabriela Sinkiewicz has also studied how L. reuteri affects oral
    health and has
    established that the occurrence of both plaque and bleeding from the
    gums declined
    after only two weeks of using chewing gum containing certain strains
    of L. reuteri.


    “Studies show that L. reuteri is highly effective.
    We have multiple studies underway that directly address oral health
    and allergies.”


    Title of dissertation: Lactobacillus reuteri in health and disease.


    For more information, please contact Gabriela Sinkiewicz, mobile: +46
    (0)734-48 87 86
    or e-mail:


    Pressofficer Hanna Holm; ; +46-708 655 233


    Hanna Holm | Source: Informationsdienst Wissenschaft
    Further information: dspace.mah.se/handle/2043/10570
    www.vr.se


    ------------------


    "Potentially more pathogenic gut microbiota profile"


    The effects of iron fortification on the gut microbiota in African
    children: a randomized controlled trial in Cote d'Ivoire.
    Zimmermann MB, Chassard C, Rohner F, N'goran EK, Nindjin C, Dostal A,
    Utzinger J, Ghattas H, Lacroix C, Hurrell RF.
    Am J Clin Nutr. 2010 Oct 20.
    Institute of Food, Nutrition and Health, Swiss Federal Institute of
    Technology Zurich, Zurich, Switzerland.


    Abstract
    BACKGROUND: Iron is essential for the growth and virulence of many
    pathogenic enterobacteria, whereas beneficial barrier bacteria, such
    as lactobacilli, do not require iron. Thus, increasing colonic iron
    could select gut microbiota for humans that are unfavorable to the
    host.


    OBJECTIVE: The objective was to determine the effect of iron
    fortification on gut microbiota and gut inflammation in African
    children.


    DESIGN: In a 6-mo, randomized, double-blind, controlled trial, 6-14-
    y-
    old Ivorian children (n = 139) received iron-fortified biscuits,
    which
    contained 20 mg Fe/d, 4 times/wk as electrolytic iron or nonfortified
    biscuits. We measured changes in hemoglobin concentrations,
    inflammation, iron status, helminths, diarrhea, fecal calprotectin
    concentrations, and microbiota diversity and composition (n = 60) and
    the prevalence of selected enteropathogens.


    RESULTS: At baseline, there were greater numbers of fecal
    enterobacteria than of lactobacilli and bifidobacteria (P < 0.02).
    Iron fortification was ineffective; there were no differences in iron
    status, anemia, or hookworm prevalence at 6 mo. The fecal microbiota
    was modified by iron fortification as shown by a significant increase
    in profile dissimilarity (P < 0.0001) in the iron group as compared
    with the control group. There was a significant increase in the
    number
    of enterobacteria (P < 0.005) and a decrease in lactobacilli (P <
    0.0001) in the iron group after 6 mo. In the iron group, there was an
    increase in the mean fecal calprotectin concentration (P < 0.01),
    which is a marker of gut inflammation, that correlated with the
    increase in fecal enterobacteria (P < 0.05).


    CONCLUSIONS: Anemic African children carry an unfavorable ratio of
    fecal enterobacteria to bifidobacteria and lactobacilli, which is
    increased by iron fortification. Thus, iron fortification in this
    population produces a potentially more pathogenic gut microbiota
    profile, and this profile is associated with increased gut
    inflammation. This trial was registered at controlled-trials.com as
    ISRCTN21782274.


    PMID: 20962160
    --


    Who loves ya.
    Tom


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    ironjustice, Nov 2, 2010
    #1
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