Corn Crystalline Fructose

Corn Crystalline Fructose is the crystalline (solid) form of fructose, a simple sugar derived primarily from corn starch. It is produced through enzymatic processing and purification of corn-derived sugars, resulting in a high-purity sweetener that is typically 98-99.5% fructose. As a food additive, it serves as a nutritive sweetener in various foods and beverages, offering advantages like enhanced sweetness (about 1.2-1.8 times sweeter than sucrose), humectant properties (to retain moisture), cryoprotection (to prevent freezing damage in products), and flavor enhancement. It is often sourced from non-GMO corn and has a lower glycemic index compared to glucose or sucrose, making it suitable for applications where blood sugar impact is a consideration. Common uses include baked goods, beverages, dairy products, and confectionery.

While specifications can vary by manufacturer, a common set for typical Food Grade Specifications of Corn Crystalline Fructose includes:

Fructose Assay99.5% Min
AppearanceFine, white crystalline powder, odorless, clean taste, and free from visible impurities.
Loss on Drying0.5% Max
Residue On Ignition (Ash)0.05% Max
Hydroxymethylfurfural (HMF)0.1% Max
Chloride0.018% Max
Sulphate0.025% Max
Acidity0.50 ml of 0.02N NaOH Max
Heavy Metals5 ppm Max
Arsenic1 ppm Max
Calcium & Magnesium (as Ca)0.005% Max
Microbiological Limits:

  • Aerobic Bacteria: 10³ cfu/g Max
  • Mould & Micro-organisms: 10² cfu/g Max

Key Characteristics:

  • SweetnessSignificantly sweeter than sucrose.
  • Non-GMOOften produced from non-GMO corn.
  • Low Glycemic IndexHas a lower impact on blood sugar levels compared to glucose and sucrose.
  • PropertiesActs as a humectant, cryoprotectant, and flavor enhancer.

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