LACTOSE, HYDROLYZED

CAS: 977126-93-4 NUTRITIVE SWEETENER

LACTOSE, HYDROLYZED (CAS 977126-93-4) is a form of lactose that has been enzymatically or chemically broken down into its component sugars, often used as a nutritive sweetener in food and beverage formulations.

What It Is

LACTOSE, HYDROLYZED is a processed carbohydrate derived from lactose, the disaccharide naturally present in milk and dairy products. Through a hydrolysis process, the lactose molecule is split into its constituent monosaccharides - glucose and galactose - which alters its physical and functional properties in food systems. This ingredient is classified as a nutritive sweetener due to its contribution to caloric content and sweetness enhancement compared with intact lactose. The CAS Registry Number 977126-93-4 uniquely identifies this hydrolyzed form of lactose within chemical and regulatory databases and industrial inventories. The name "HYDROLYZED LACTOSE LACTOSE, HYDROLYZED" reflects alternate naming conventions that may appear on technical sheets, labeling data, and regulatory inventories. The hydrolysis process changes physicochemical behavior relative to native lactose, influencing solubility, sweetness perception, and digestibility in food formulations (data from FDA inventory listing). In many regulatory inventories, including the U.S. FDA Substances Added to Food (formerly EAFUS), LACTOSE, HYDROLYZED is recognized as an ingredient with the technical effect of a nutritive sweetener when added to food under appropriate conditions. The designation as a nutritive sweetener refers to its function in a formulation rather than a formal approval status determined by premarket regulation; inclusion in inventories signifies recognition by regulatory bodies that the ingredient is used in food contexts rather than an automatic affirmation of safety or approval. Regulatory indexes list the ingredient name, CAS number, and assigned technical effect without specifying exact use limits or food categories, indicating that its usage patterns are subject to food labeling, good manufacturing practice, and other applicable food safety standards. Because hydrolyzed lactose results in glucose and galactose components, its sweetness and caloric contribution differ from that of intact lactose. Its classification as a nutritive sweetener is driven by these technological properties, and the ingredient is used in various food products to enhance sweetness and improve functional attributes. Consumer-facing descriptions emphasize its role in modifying flavor and carbohydrate composition with careful distinction between regulatory inventories and formal food additive approvals.

How It Is Made

LACTOSE, HYDROLYZED is manufactured by treating native lactose with a hydrolyzing agent, typically a lactase enzyme, to cleave the beta-glycosidic bond between glucose and galactose units. The hydrolysis process can be conducted under controlled conditions of temperature, pH, and enzyme concentration, which determines the extent of lactose breakdown and the ratio of monosaccharides in the final product. Enzymatic hydrolysis is the most common method because it provides targeted cleavage with minimal side reactions, though chemical hydrolysis using acids under specific conditions can also be employed in industrial settings. The production process typically starts with purified lactose derived from whey, milk concentrate, or lactose-rich streams from dairy processing. After hydrolysis, the resulting mixture of glucose and galactose may be further concentrated or purified depending on the intended application. Drying steps, such as spray drying or vacuum drying, are used to achieve a stable powdered form suitable for blending into food products or ingredient systems. Manufacturers adhere to food-grade processing standards and quality controls to ensure absence of contaminants, solvent residues, or undesirable byproducts. Specifications for hydrolyzed lactose, where available, define criteria for identity, loss on drying, solubility, and impurity limits to ensure consistent functional performance and safety. Quality assurance includes analytical testing to confirm the degree of hydrolysis, typically measured by the proportion of glucose and galactose versus intact lactose. Process controls also help achieve consistent sweetness profiles and supply chain traceability. While exact manufacturing details vary by producer, the essential steps involve enzymatic hydrolysis of lactose followed by recovery and stabilization processes to produce an ingredient that can be incorporated effectively into various food and beverage formulations. This manufacturing context supports regulatory assessments and inclusion in ingredient inventories maintained by agencies such as the U.S. Food and Drug Administration.

Why It Is Used In Food

LACTOSE, HYDROLYZED is used in food formulation because its hydrolyzed sugars offer technological advantages over intact lactose. The breakdown into glucose and galactose increases solubility, dispersibility, and sweetness intensity relative to native lactose, making it useful as a nutritive sweetener in applications where taste and functional behavior are important. Its use may support smoother texture, improved dissolution in aqueous systems, and enhanced browning reactions during heating compared with less soluble carbohydrates. These properties make it suitable for inclusion in beverage mixes, bakery products, dairy analogs, and other processed foods where sweetness balance and process performance are critical. In addition to sweetness functionality, hydrolyzed lactose can influence the physical properties of food systems. Increased solubility facilitates incorporation into dry powder blends, ready-to-drink formulations, and confectionery items. The presence of glucose and galactose contributes to Maillard browning in thermal processing, which can affect color development and flavor notes in baked goods or extruded snacks. Food formulators leverage these functional attributes to achieve target sensory profiles while maintaining caloric contribution from carbohydrates. The use of hydrolyzed lactose complements other ingredients in a formulation to deliver desired sweetness and functional effects without resorting to high-intensity sweeteners or alternative carbohydrate sources. Because hydrolyzed lactose is metabolized and contributes caloric energy, its inclusion is characterized as nutritive, and its functional role is distinct from non-nutritive sweeteners or flavor enhancers. The way it behaves in food matrixes supports formulation goals related to sweetness modulation, texture enhancement, and processing performance. Ingredient inventories list it as a nutritive sweetener, underscoring its technical role in product development without implying a specific regulatory threshold or universally mandated use level. Formulators consider its properties relative to product type, processing conditions, and consumer expectations when selecting it as a component in food formulations.

Adi Example Calculation

An ADI example calculation illustrates how safety benchmarks are applied when an Acceptable Daily Intake value is established by a regulatory authority. For example, if an additive had a hypothetical ADI of X milligrams per kilogram of body weight per day, a 70 kilogram adult’s lifetime exposure limit could be calculated by multiplying X by 70 to estimate the maximum amount that could be consumed daily without exceeding the ADI. In the absence of a specific numeric ADI published for LACTOSE, HYDROLYZED by international expert committees in publicly accessible summaries, no numeric example is provided here; regulatory and safety frameworks emphasize exposure assessment and established safety margins based on available data rather than hypothetical intake thresholds.

Safety And Health Research

Regulatory and scientific assessment of food ingredients like LACTOSE, HYDROLYZED focuses on ensuring that their use in food formulations does not pose safety risks under intended use conditions. Evaluations consider factors such as the ingredient’s chemical identity, manufacturing process, impurities, and expected dietary exposure based on typical consumption patterns. Food safety frameworks established by organizations such as the U.S. FDA, FAO, and WHO emphasize exposure assessment and toxicological data when available to support conclusions about safety. The Joint FAO/WHO Expert Committee on Food Additives conducts systematic reviews of additives and publishes specifications and safety evaluations for chemicals that have been evaluated, detailing ADIs or other relevant safety thresholds when appropriate. In the absence of a specific JECFA monograph publicly accessible for LACTOSE, HYDROLYZED via databases available without targeted query, formal numeric toxicological values such as an Acceptable Daily Intake (ADI) are not explicitly provided in this entry. Safety assessments for carbohydrate-based nutritive sweeteners generally reflect a long history of dietary exposure and metabolic familiarity, but formal evaluations consider impurities and specific processing-related factors that may influence safety conclusions. Food safety research continues to monitor additive usage, analytical methods for detection, and evolving data on exposure to ensure regulatory and industry decision-making remains grounded in current scientific understanding.

Regulatory Status Worldwide

In the United States, LACTOSE, HYDROLYZED appears in the FDA Substances Added to Food inventory as a substance with the listed technical effect of a nutritive sweetener, indicating its recognized use in food formulations. However, inclusion in this inventory does not equate to formal FDA approval or GRAS status by default, and there is no specific CFR regulation section explicitly prescribing conditions of use d within the inventory entry. As a result, the ingredient’s regulatory status in the U.S. is best understood in the context of inventories and the general framework that food additives and GRAS substances must meet safety standards under the Federal Food, Drug, and Cosmetic Act. Inventories maintained by the FDA encompass food additives, GRAS substances, and prior-sanctioned substances, but presence alone does not confirm a formal regulatory authorization or numeric use limits unless specifically codified in CFR sections. Internationally, regulatory databases such as those maintained by FAO and WHO through the JECFA and Codex Alimentarius frameworks provide searchable tools for additive specifications and safety evaluations, though a specific JECFA evaluation entry for LACTOSE, HYDROLYZED by CAS number is not readily available in the public domain without targeted database queries. The Joint FAO/WHO Expert Committee on Food Additives evaluates additives and provides monographs with specifications and ADI assessments when appropriate, supported by extensive chemical and safety data. Databases hosted by these organizations allow search by additive name or CAS number, reflecting international efforts to harmonize safety and specification data for food additives across countries.

Taste And Functional Properties

The sensory and functional properties of LACTOSE, HYDROLYZED differ from those of intact lactose due to its constituent monosaccharides. Glucose and galactose produced during hydrolysis provide a sweeter taste perception compared with the less sweet disaccharide lactose, which can enhance the sweetness profile of food and beverage formulations without increasing added sugar content. This altered sweetness can be advantageous for balancing other flavors or reducing the need for additional sweeteners, particularly in dairy-based and dry-mix applications. The increased solubility of glucose and galactose relative to intact lactose supports rapid dissolution in aqueous systems, aiding formulation uniformity and processing ease. Functionally, the hydrolysis products engage in thermal reactions such as the Maillard reaction more readily than intact lactose, which can influence color and flavor development during cooking and baking. These reactions contribute to browning and complex flavor compounds that are often desirable in baked goods, confections, and heat-processed foods. The functional behavior of hydrolyzed lactose also impacts the texture and mouthfeel of formulations, helping to create smooth, homogeneous products with desirable sensory attributes. In terms of stability, the hydrolyzed sugars are generally stable under typical storage conditions; however, their higher reactivity compared with intact lactose may require consideration during formulation to avoid excessive browning or off-flavor development over time. Formulators balance these properties with processing parameters to harness the benefits of increased sweetness and solubility while maintaining product quality and shelf life. The sensory and functional behavior of hydrolyzed lactose makes it a useful ingredient in applications where these sensory and technical attributes align with product goals.

Acceptable Daily Intake Explained

An Acceptable Daily Intake (ADI) represents the amount of a substance that can be consumed every day over a lifetime without appreciable health risk, based on comprehensive toxicological data and safety assessments. For nutrients and carbohydrate-based sweeteners like hydrolyzed lactose, regulators consider metabolic pathways, rates of digestion and absorption, and historical dietary exposure data when evaluating safety and determining whether an ADI is necessary. In cases where a formal ADI is not established in public regulatory evaluations, this may reflect a determination that the ingredient’s safety concerns are low based on existing evidence and known metabolic fate, or that data sufficient to set an explicit numeric ADI have not been centrally published by bodies such as JECFA. Regulatory frameworks and international expert committees assess available data and may choose to highlight safety considerations for certain substances if warranted.

Comparison With Similar Additives

Comparing LACTOSE, HYDROLYZED with other carbohydrate-based nutritive sweeteners highlights differences in functional and sensory properties. Intact lactose, the native disaccharide found in milk, is less sweet and less soluble than the hydrolyzed form, making hydrolyzed lactose more suitable where rapid dissolution and increased sweetness are desired. Other nutritive sweeteners, such as sucrose (table sugar) and glucose syrup solids, differ in sweetness intensity, crystallization behavior, and browning potential during processing. Sucrose is widely used across many food categories for its balanced sweetness and functional versatility but may require blending with other ingredients to achieve desired textural effects that hydrolyzed lactose can provide due to its monosaccharide content. Glucose syrup solids, another carbohydrate sweetener, offer high solubility and a range of dextrose equivalents, enabling formulators to tailor sweetness and physical properties. Hydrolyzed lactose occupies a niche where dairy compatibility and specific functional behavior align with formulation goals, distinct from high-intensity non-nutritive sweeteners that provide sweetness without caloric contribution.

Common Food Applications Narrative

LACTOSE, HYDROLYZED finds application in a range of processed food products where its functional properties deliver both sweetness and formulation performance. In powder beverage mixes, its solubility aids rapid dispersal in water-based systems, supporting smooth texture and balanced sweetness. Dry bakery mixes may incorporate hydrolyzed lactose to improve browning reactions and flavor complexity during baking, contributing to appealing color and taste profiles. Confectionery items and sugar blends that require a tailored sweetness and texture often include hydrolyzed lactose for its monosaccharide composition and functional versatility. In dairy analog products and specialty formulations, hydrolyzed lactose can act as a carbohydrate source that enhances both flavor and process attributes. Its increased sweetness relative to intact lactose allows formulators to fine-tune the sugar profile without relying solely on added sugars or high-intensity sweeteners. Snack products with coating or glazing components benefit from quicker solubility and controlled browning facilitated by the monosaccharides in hydrolyzed lactose. Product developers also value hydrolyzed lactose in ready-to-drink powder blends and meal-replacement formulations where rapid hydration, sweetness, and mouthfeel are critical to consumer acceptance. While exact use levels and product categories vary by manufacturer and target audience, the broad utility of hydrolyzed lactose in providing sweetness, solubility, and functional support underlies its selection in diverse food applications.

Safety & Regulations

FDA

  • Notes: Specific CFR regulation sections for LACTOSE, HYDROLYZED as a direct food additive are not explicitly d despite inventory listing, so official FDA approval status is unclear.

EFSA

  • Notes: No publicly searchable EFSA evaluation specifying numeric ADI or E number was identified.

JECFA

  • Notes: No specific JECFA monograph or ADI details for this exact ingredient could be confirmed in the publicly accessible database with provided sources.

Sources

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