Disodium Inosinate

Is the disodium, (sodium), salt of inosinic acid. It is a food additive often found in instant noodles, potato chips, and a variety of other snacks. It is used as a flavor enhancer, in synergy with monosodium glutamate, MSG.  As it is a fairly expensive additive, it is not used independently of glutamic acid; if disodium inosinate is present in a list of ingredients but MSG does not appear to be, it is possible that glutamic acid is provided as part of another ingredient or is naturally occurring in another ingredient like tomatoes, Parmesan cheese or yeast extract.


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Disodium inosinate is a food additive. Like MSG (monosodium glutamate), which it often contains, disodium inosinate is often used as a flavor enhancer in packaged food products and in fast food such as hamburgers and tacos. It has several potential side effects.

Flushed skin and burning, numbness and tightness around the mouth area, sweating and swelling, gas.

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Inosinic acid:  Inosine phosphate; a nucleotide that is found in muscle and other tissues.

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Nucleotide:  One of the compounds into which nucleic acid is split by action of nuclease; nucleotides are composed of a base (purine or pyrimidine), a sugar (ribose or deoxyribose), and a phosphate (see phosphoric acid), group.


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Nucleic Acid:  The cellular molecules DNA and RNA that act as coded instructions for the production of proteins and are copied for transmission of inherited traits.


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Nuclease:  any of a group of enzymes that cleave or digest nucleic acids into fragments or single nucleotides.


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Purine:  A white crystalline substance that is one of the building blocks of DNA. Uric acid is produced when purine is broken down in the body.


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Pyrimidine:  A crystalline organic base that is the parent substance of various biologically important derivatives.  (A base element)


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Ribose:  A 5-carbon sugar that occurs as a component of ribonucleic acid.

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Deoxyribose:  A sugar that is a constituent of DNA.

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Ribonucleic Acid:  RNA:  A nucleic acid, found in both the nucleus and cytoplasm of cells, that plays several roles in the translation of the genetic code and the assembly of proteins.


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Cytoplasm:  All of the substance of a cell other than the nucleus and the cell wall.

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