NABL Accredited · Liquid Glucose Quality Testing

Liquid Glucose Testing for Industry | Pharmaceutical & Food Ingredient Analysis

Auriga Research provides NABL-accredited liquid glucose testing for manufacturers across pharmaceutical, food, beverage, and confectionery industries. Our analysis verifies ingredient quality, regulatory compliance, and formulation performance.

Liquid glucose is a starch hydrolysate commonly used in food and pharmaceutical formulations for sweetness, texture control, and non-crystallising properties. It is produced from starch sources such as maize, wheat, rice, or potatoes and contains glucose, maltose, maltotriose, and higher oligosaccharides.

Because liquid glucose is used in high concentrations, its quality directly affects product stability, taste, and regulatory labelling. Accurate testing is essential for manufacturers who need to ensure raw material integrity and meet food safety or excipient monograph requirements.

What is Liquid Glucose?

Liquid glucose, also known as glucose syrup, is produced by hydrolysing starch into a syrup containing glucose and other saccharides. It is sweeter than regular sugar and is valued for its ability to prevent crystallisation, making it ideal for confectionery, canned baked goods, and beverages.

The syrup is not identical to the glucose used by the human body; instead, it is a mixture of oligosaccharides and polysaccharides derived from starch. Its functional properties make it a versatile ingredient across numerous industrial applications.

What Is Liquid Glucose Made Of?

  • Starch from corn, wheat, rice, potatoes, or cassava
  • Hydrolysed glucose, maltose, maltotriose, and higher oligosaccharides
  • Minor residual dextrins and other carbohydrates
  • Water, acidity regulators, and processing aids depending on the formulation

Popular Liquid Glucose Uses

  • Confectionery and candy manufacture for sweetness and texture control
  • Bakery products and canned goods to improve moisture retention and shelf life
  • Beverages and syrups for balanced sweetness and mouthfeel
  • Pharmaceutical syrups, coatings, and granulations as a cost-effective excipient
  • Cosmetics and personal care formulations requiring non-crystallising humectants

Understanding Liquid Glucose Nutritional Value

Liquid glucose contains minimal nutritional value beyond carbohydrates and is low in protein and fat. It is primarily used for its functional properties, so large quantities may contribute significant sugar intake without providing substantial nutrients.

Manufacturers should test quality and labelling compliance so that final products are accurately represented and safe for consumers, particularly in applications where sugar content and caloric impact are critical.

Why Get Liquid Glucose Tested?

Testing liquid glucose ensures the ingredient meets specification limits and does not contain undeclared contaminants or out-of-specification constituents. It supports product quality, regulatory approval, correct labelling, and consistent performance in manufacturing.

Liquid Glucose Testing Requirements for Food Ingredients

For use in food products, liquid glucose is tested against Indian Standard IS 873:1974 and applicable FSSAI regulations. Key parameters include:

  • Total solids
  • Ash
  • pH
  • Sulphur dioxide
  • Toxic metals
  • Microbial pathogens
  • Dextrose equivalent (DE) value

Liquid Glucose Testing Requirements as a Pharmaceutical Excipient

When used as a pharmaceutical excipient, liquid glucose must satisfy pharmacopoeial monographs from USP, BP, and EP. Required tests typically include:

  • Identification
  • Acidity
  • Water content
  • Heavy metals
  • Assay as DE value
  • Sulphur dioxide

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Frequently Asked Questions — Liquid Glucose Testing

Why should manufacturers get liquid glucose tested?
Liquid glucose testing confirms that the ingredient meets industry standards for quality and safety, reducing the risk of product instability, label non-compliance, and regulatory rejection. It is essential for food, beverage, confectionery, and pharmaceutical applications where liquid glucose is used in high volumes.
What is liquid glucose?
Liquid glucose, also known as glucose syrup, is a starch hydrolysate prepared from maize, wheat, rice, or potatoes. It contains glucose, maltose, maltotriose, and higher oligosaccharides, and is valued for sweetness, viscosity control, and non-crystallising behaviour.
What are the regulatory testing requirements for liquid glucose?
Testing requirements vary by use. For food ingredients, Indian Standard IS 873:1974 and FSSAI regulations specify tests such as total solids, ash, pH, sulphur dioxide, toxic metals, microbial limits, and dextrose equivalent. For pharmaceutical excipient use, USP, BP, and EP monographs require identity, acidity, water content, heavy metals, assay as DE value, and sulphur dioxide.
How quickly can liquid glucose testing be completed?
Typical liquid glucose analysis is completed in 7-10 business days, depending on sample quantity and the test panel requested. Expedited or custom packages can be arranged for urgent regulatory or production needs.

Need Liquid Glucose Testing for Your Product?

NABL-accredited analysis for liquid glucose raw materials used in food, beverage, confectionery, and pharmaceutical applications.

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