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Modified starches

Specifications Monograph prepared by the meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), 92nd Meeting 2021










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    Purity Tests for Modified Starches
    Residue Monograph prepared by the meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), 82nd meeting 2016
    2016
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    Prepared at the 82nd JECFA (2016) and published in FAO JECFA Monograph 19 (2016), superseding specifications for Oxidized starch included in the specifications for Modified starches prepared at the 79th JECFA (2014), published in FAO JECFA Monographs 16 (2014). An ADI “not specified” was established at the 26th JECFA (1982). Purity Tests are given
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    Enzyme Treated Starch (Tentative)
    Residue Monograph prepared by the meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), 82nd meeting 2016
    2016
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    Starch is a carbohydrate polymer consisting of a large number of glucose units linked together primarily by alpha 1-4 glucosidic bonds. The starch polymers come in two forms: linear (amylose) and branched through alpha 1-6 glucosidic bonds (amylopectin), with each glucose unit possessing a maximum of three hydroxyls that can undergo chemical substitution. Enzyme-treated starch is a modified starch. It is obtained by treatment in accordance with good manufacturing practice, of food starch in an a queous solution at a temperature below the gelatinization point with one or more food-grade amyolyticenzymes.The alteration is a minor fragmentation.

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    Corrected specifications monograph for monosodium L-glutamate
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    Xanthan Gum
    Residue Monograph prepared by the meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA), 82nd meeting 2016
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    Xanthan gum is a polysaccharide gum with high molecular weight (of the order of 1,000 kDa.) containing D-glucose and D-mannose as the dominant hexose units, along with D-glucuronic acid and pyruvic acid. It is produced by fermentation of a carbohydrate in a pure-culture of Xanthomonas campestris, recovered from the fermentation broth by precipitation with ethanol or isopropanol, dried and milled. The final product is manufactured in the form of a sodium, potassium or calcium salt and its solutio ns are neutral.