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    Home > Biochemistry News > Natural Products News > Bean leaves inhibit food toxic bacteria

    Bean leaves inhibit food toxic bacteria

    • Last Update: 2021-02-02
    • Source: Internet
    • Author: User
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    according to a new study, the leaves of the bean tree contain antibacterial substances that

    inhibit the growth
    listeria
    .Nadhern Aissani
    et al. tested the ability of caron leaves methanol extract (
    MECL
    )
    to inhibit
    various

    microorganisms.writing in the American Chemical Society's Agricultural and Food Chemistry,said they
    a test has shown that
    bean leaf extract can effectively inhibit the growth of Lester bacteria under laboratory conditions."seeking
    Gene natural
    substances this experiment is for
    a
    genetic
    substance
    that seeks to benefit
    fedal storage
    and
    its purpose is to partially or completely replace the current antimicrobial chemicals.March
    ,
    Researchers
    collected long-horned bean leaves from
    Italy
    Cagliari
    and dried them at room temperature without light. Seal in a paper bag and store at room temperature and in dark conditions until used.they found that by micro-dilution of liquid media,
    chloromethane (
    MECL
    )
    concentrations of
    28.12μg/mL
    . inhibited the growth of listeria.the concentration of yang meiyan and unethic acid inhibited the growth of listeria was
    450sg/mL
    , left-handed table tea essence
    -3-
    no food acid The
    -inhibited
    concentrations of esters and isocleosides were
    225μg/mL
    and
    112.5?g/mL
    .researchers said: "The inhibition effect of
    concentrations on this bacteria can be characterized as
    an inhibition model characterized by a recovery phase (
    a


    ), which shows a lower growth rate
    if
    compared to the control group; "" In order to analyze the growth rate of listeria inhibitors (
    MECL
    ), the provisional bacterial
    amount is
    103 CFU/mL
    ,
    and adds the
    MECL
    concentration we want, agar has
    100
    " Repeat the experiment in different plates, dilute
    every three hours,
    with blank groups without extracts. The bacteria
    overnight

    37 degrees C, and then counted

    the number of
    bacteria
    .the experiment used E. coli, salmonella genus, Glucose-negative copper-green protocytobacteria strains,
    L
    -type mononucleocytes, and Glolan-positive Staphylococcus aureus strains.potential for
    caro beanswhich grows in the Mediterranean and
    is
    a chocolate substitute without caffeine or cocoa base.its
    pods, bark, leaves, fruits and glues are used in a wide range of industries, from textiles
    cosmetics
    .researchers say the next step
    will be
    to study the
    inhibition of the activity of cartilage leaves methanol in bio-living
    (
    such as meat and fish samples
    )
    ,
    to
    lister bacteria
    activity inhibition
    .latest data report from the Centers for Disease Control and Prevention
    CDC
    ) on the outbreak of
    Italian whey cheese
    Salata
    cheese

    cases,


    4,
    deaths.
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