Bleached Starch (INS 1403): Properties, Uses, and Regulations
Starch, a complex carbohydrate, is composed of numerous glucose units linked together primarily through alpha 1-4 glucosidic bonds. Starch exists in two primary forms: linear, known as amylose, and branched, connected by alpha 1-6 glucosidic bonds, referred to as amylopectin. Each glucose unit in starch can undergo chemical substitution at up to three hydroxyl sites.
Bleached Starch (INS 1403)
Bleached starch is a modified form of starch achieved through treatment with substances like peracetic acid, hydrogen peroxide, sodium hypochlorite, sodium chlorite, sulfur dioxide, or alternative sulfites. This modification mainly impacts the color of the starch. These treatment reagents are either removed or limited to the lowest possible levels, ensuring food safety.
Additionally, bleached starch may undergo acid, alkali, or enzyme treatments in accordance with good manufacturing practices.
Classification
Uses of Bleached Starch
Codex General Standard for Food Additives (GSFA)
The Codex General Standard for Food Additives (GSFA) sets the guidelines for the use of bleached starch in various foods, even if they haven't been standardized by Codex.
Provisions for Bleached Starch (INS 1403):
(1) Coffee, Coffee Substitutes, Tea, Herbal Infusions, and Other Hot Cereal and Grain Beverages, Excluding Cocoa
This category includes ready-to-drink products and their mixes and concentrates, such as chicory-based hot beverages, rice tea, and instant coffee. It also covers treated coffee beans for coffee product manufacturing.
Maximum Level: Good Manufacturing Practice (GMP)
Notes: Intended for use in ready-to-drink products and pre-mixes for ready-to-drink products only.
(2) Fermented Milks (Plain), Heat-Treated After Fermentation
This category encompasses plain products like yogurt and plain drinks made from fermented milk that have undergone heat treatment after fermentation.
Maximum Level: GMP
Notes: To be used as a stabilizer or thickener only.
(3) Fermented Milks (Plain), Not Heat-Treated After Fermentation
Similar to category 2 but for plain products that have not been heat-treated after fermentation. Applicable for use as a stabilizer or thickener in reconstituted and recombined products.
Maximum Level: GMP
Notes: For use in reconstituted and recombined products only.
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(4) Other Sugars and Syrups (e.g., Xylose, Maple Syrup, Sugar Toppings)
This category includes various syrups and sugar toppings, excluding maple syrup. Examples are table syrups, syrups for bakery wares and ices, and decorative sugar toppings.
Maximum Level: GMP
(5) Renneted Milk (Plain)
This category encompasses plain, coagulated milk produced by milk coagulating enzymes, including curdled milk. Flavored renneted milk products are found in dairy-based desserts.
Maximum Level: GMP
(6) Sterilized and UHT Creams, Whipping and Whipped Creams, and Reduced Fat Creams (Plain)
This category covers creams that have undergone higher heat treatments, including sterilized cream, UHT or ultrapasteurized cream, and creams intended for whipping. It also includes creams with partial or total replacement of milkfat by other fats.
Maximum Level: GMP
Notes: Excluding products conforming to the Standard for Cream and Prepared Creams (reconstituted cream, recombined cream, prepackaged liquid cream) (CODEX STAN 288-1976).
GSFA Table 3 Provisions
Bleached starch, a food additive, falls under the GSFA General Conditions of Table 3. It can be used in the following food categories under the guidelines of good manufacturing practices (GMP) as detailed in the Codex GSFA Preamble.
While not explicitly mentioned below, bleached starch may also find use in heat-treated buttermilk (in the Fluid milk (plain) category) and spices (in Herbs and spices). Food categories specified in the Annex to Table 3 were excluded from this list.
Bleached starch is suitable for use in a wide range of food categories, including but not limited to:
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