CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS
CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS is a microbial enzyme preparation derived from Bacillus licheniformis fermentation, used to hydrolyze carbohydrates and proteins in food processing applications.
What It Is
CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS is an enzyme preparation that contains multiple catalytic activities including carbohydrase and protease activities designed to assist in the hydrolysis of complex carbohydrates and proteins during food processing. Enzymes are biological catalysts typically produced by fermentation of microorganisms, and in this case the source organism is Bacillus licheniformis, which is a nonpathogenic bacterial species widely used in industrial fermentation. This preparation is not a single defined chemical entity but rather a mixture of proteins with enzymatic activity that acts on specific substrates. This enzyme preparation is often used under conditions that conform to good manufacturing practice to improve processing efficiency, modify macromolecules such as starch and proteins, and tailor their functional properties in processed foods. Unlike traditional chemical reagents that may modify food components through non-biological chemical reactions, this preparation operates through specific enzyme-substrate interactions typical of biological catalysts. Because it is a preparation of enzymes rather than a purified single enzyme molecule, it may have varying composition depending on production and formulation. The CAS Registry Number for this enzyme preparation is 977083-17-2, which uniquely identifies the substance in regulatory and scientific databases. As a technical functional ingredient, it may be referenced in regulatory listings such as the US Code of Federal Regulations (CFR) where it is affirmed as generally recognized as safe (GRAS) when used under specified conditions and applied at appropriate levels in food processing.
How It Is Made
The production of CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS involves the controlled fermentation of a nonpathogenic strain of Bacillus licheniformis in a suitable nutrient medium. During fermentation, the bacterial cells secrete a suite of extracellular enzymes including carbohydrases, which act on polysaccharides, and proteases, which break down proteins. After fermentation, the culture broth is clarified to separate the biomass from the enzyme-rich filtrate. The enzyme-containing filtrate may then be further processed by concentration, stabilization, and formulation steps to achieve a stable enzyme preparation suitable for incorporation into food processing workflows. Stabilization may involve adjustments to pH, addition of stabilizing agents, or controlled drying if a powdered form is desired. The result is an enzyme preparation that retains catalytic activity and can be added to food substrates to accelerate specific biochemical transformations. Specifications for such enzyme preparations used in food processing often include activity units for the relevant catalytic functions, limits on microbial contaminants, and purity criteria reflecting the absence of undesirable substances. Regulatory guidelines such as those referenced in 21 CFR 184.1027 incorporate reference to the Food Chemicals Codex for general specifications of enzyme preparations used in food processing. These quality and safety control measures are intended to ensure that the enzyme preparation performs the desired technical function without introducing impurities or hazards into the food supply.
Why It Is Used In Food
CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS is used in food processing because it provides targeted enzymatic catalysis that enhances processing efficiency and final product quality. Carbohydrases can catalyze the breakdown of complex carbohydrates such as starch into simpler sugars, which can modify texture, reduce viscosity, or improve fermentability in processes like brewing, baking, and starch modification. Proteases, on the other hand, catalyze the hydrolysis of peptide bonds in proteins, which can modify protein structure, improve solubility, aid in tenderization, and facilitate the generation of peptides with specific functional properties. In practice, the combination of carbohydrase and protease activities in a single preparation allows food processors to address multiple biochemical transformations simultaneously, for example in cereal and grain processing where both starch and protein components are present. The use of enzyme preparations under good manufacturing practice conditions can reduce processing times, lower energy requirements, and enhance yields relative to non-enzymatic processing methods. The function of this enzyme preparation is to act specifically on its substrates in a controlled manner; it does not remain in the final product at activity levels that pose safety concerns when used appropriately. Because enzymes are proteins, they are typically denatured and inactivated during subsequent food processing steps such as heat treatment. This catalytic role is fundamentally different from nutritive or flavoring additives, and its use is justified by technical advantages rather than contribution to flavor or nutrition directly.
Adi Example Calculation
Imagine a hypothetical enzyme preparation used in the manufacture of a baked product. Because enzyme preparations such as CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS are denatured during baking and are present only in trace residues in the finished food, exposure from consumption is negligible. If an ADI had been established, an example calculation might illustrate how many grams of product a person could hypothetically consume without exceeding that ADI. For instance, regulators might express ADI as milligrams of enzyme protein per kilogram body weight per day. If a consumer weighing 70 kilograms were to eat 2 kilograms of baked goods processed with enzyme preparation, the actual residual enzyme protein would be minimal and well below thresholds of concern, assuming typical use levels and inactivation during processing. This example is illustrative and not advice about actual enzyme intake but conveys how ADI concepts relate consumption quantities to safety benchmarks.
Safety And Health Research
Safety and health research related to enzyme preparations like CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS focuses on their catalytic function, potential allergenicity, and absence of toxic effects when used as intended. Enzyme preparations from microbial sources have been widely studied because they are integral to food processing but are not present in active form in finished products after typical processing conditions. Toxicological evaluations generally assess acute toxicity, genotoxicity, and subchronic exposure to the preparation or its fermentation residues, with a view to identifying any hazards associated with ingestion. Historical evaluations of related carbohydrase preparations derived from Bacillus licheniformis have concluded that no adverse effects were evident in standard toxicology tests at levels far exceeding typical use in food processing, and ADI not specified status has been established for similar enzyme types such as alpha-amylase from this organism, indicating a wide margin of safety.[] Because enzymes are proteins, digestive processes in the human gastrointestinal tract break them down into amino acids that are absorbed or metabolized like dietary protein, and there is no evidence to suggest systemic toxicity under normal consumption patterns. However, occupational exposure to enzyme dusts in industrial settings can pose respiratory sensitization risks for workers if inhaled in high concentrations. Food safety assessments thus include considerations of enzyme purity, absence of microbial toxins, and the inactivation of catalytic activity before consumption. Allergenicity potential is also evaluated, although evidence does not indicate that this preparation poses a significant allergen risk at the low residual levels that might remain in final foods after processing. The regulatory status reflected in GRAS listings and international standards reflects this body of evidence supporting safe use under established conditions. Continued monitoring of scientific literature and post-market experience contributes to ongoing evaluation of safety profiles for microbial enzyme preparations in food applications.
Regulatory Status Worldwide
Regulatory authorities treat CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS primarily as a processing aid used under good manufacturing practice conditions. In the United States, the Food and Drug Administration (FDA) has affirmed this enzyme preparation as generally recognized as safe (GRAS) when used in food processing for its intended technical function, and this is reflected in the listing at 21 CFR 184.1027, which describes "Mixed carbohydrase and protease enzyme product" obtained from Bacillus licheniformis culture filtrate for hydrolyzing proteins and carbohydrates in selected foods such as alcoholic beverages and nutritive sweeteners. This regulatory listing allows the ingredient to be used without a specific numeric limit on use level beyond adherence to current good manufacturing practice, which ensures usage that does not compromise food safety or quality. The GRAS status is based on a long history of safe use and expert consensus documented in the CFR entry referenced above.[] At the international level, the Codex Alimentarius includes provisions for carbohydrase from Bacillus licheniformis under the Codex General Standard for Food Additives (GSFA) Table 3, which lists food categories where this enzyme may be used at levels consistent with good manufacturing practice. This global standard supports harmonization of safe use across diverse food sectors and provides guidance to national regulators on its appropriate application in foods.[] The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated related enzyme preparations derived from Bacillus licheniformis in the context of INS 1100, with an established status of ADI not specified at the time of evaluation, reflecting that the available toxicological evidence did not indicate concerns at typical use levels in food processing. While JECFA evaluations may focus on specific enzyme types such as alpha-amylase, this context reinforces the safety understanding of microbial enzyme preparations when used appropriately.[] In the European Union, enzyme preparations are subject to regulation as food enzymes under EU food law, and they must be authorized for use with defined specifications and conditions. The absence of an E-number specific to this mixed preparation reflects the need for manufacturers to seek approval under EU food enzyme regulations if marketed in EU countries. As with other regions, adherence to good manufacturing practices and specification control underpins safe use in food processing.
Taste And Functional Properties
In terms of sensory properties, CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS itself does not impart a distinct taste to foods at typical use levels because it functions as a catalyst and is used under conditions of good manufacturing practice. Enzyme preparations may have a mild odor typical of proteinaceous biological materials, but this sensory attribute is not significant in the final product after processing and inactivation. The principal role of this preparation is functional rather than sensory. Functionally, enzymes such as carbohydrases and proteases can influence food texture, consistency, and processability. Carbohydrases reduce the molecular size of polysaccharides, which can decrease viscosity in liquid food systems or modify the crumb structure in baked goods. Proteases cleave peptide bonds, which can alter protein network formation, improve dough handling properties, or facilitate the release of peptides that influence emulsification or foaming behavior. The performance of an enzyme preparation depends on factors such as temperature, pH, substrate availability, and processing conditions. Because enzymes are proteins, their activity is sensitive to denaturation at high temperatures or extreme pH values. The overall effect of using this enzyme preparation in food processing reflects its catalytic activity in modifying key macromolecules, resulting in functional improvements such as more uniform texture, enhanced extraction of components, or facilitation of downstream processing steps. These functional advantages are widely leveraged in industrial food manufacture to meet product quality goals efficiently.
Acceptable Daily Intake Explained
Acceptable Daily Intake (ADI) is a risk assessment concept used by regulators to express the amount of a substance that can be consumed daily over a lifetime without appreciable health risk. For enzyme preparations like CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS, numeric ADI values are not established because the available toxicological evidence and experience of use indicate that ordinary exposures from foods processed with this enzyme do not pose safety concerns. Where a regulatory authority or expert body determines that an ADI is not specified, it means that the data do not identify a level of concern at anticipated use levels. This status is typically reserved for substances with a long history of safe use, minimal systemic exposure due to denaturation, and comprehensive toxicology data showing no adverse effects within realistic consumption ranges. For lay readers, it is helpful to understand that ADI is a conservative metric designed to account for uncertainties in toxicological data and variations in human sensitivity. An ADI not specified designation implies that enzyme preparations used under good manufacturing practice have been evaluated by experts and are considered safe within the context of their technological purpose in food processing. It does not imply a recommended intake or nutritional requirement but rather reflects a regulatory judgment that the enzyme’s use does not contribute meaningfully to risk at typical exposure levels.
Comparison With Similar Additives
When comparing CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS with other enzyme-based food additives, a few patterns emerge. Alpha-amylase preparations derived from fungi like Aspergillus oryzae are solely focused on starch hydrolysis and are commonly used in baking and brewing to convert starch into simpler sugars, whereas the mixed carbohydrase/proteinase preparation offers broader activity by targeting both carbohydrate and protein substrates. This multi-activity profile can streamline processing steps when both types of substrates are present. Protease preparations such as those derived from microbial sources like Bacillus subtilis focus primarily on protein hydrolysis and are used in meat tenderization or protein modification contexts. In contrast, carbohydrase enzyme preparations that act on polysaccharides alone are chosen when the objective is purely carbohydrate modification. The mixed preparation therefore provides a multifunctional alternative that can meet multiple processing goals in complex food matrices. Compared to lipase enzymes, which catalyze ester bond hydrolysis in fats, carbohydrase/proteinase mixtures are distinct in their substrate specificity and functional outcomes. These differences highlight the importance of selecting the appropriate enzyme or enzyme combination to achieve specific functional objectives in food manufacturing.
Common Food Applications Narrative
CARBOHYDRASE/PROTEINASE PREPARATION, BACILLUS LICHENIFORMIS finds broad application across a range of food processing contexts where the targeted breakdown of carbohydrates and proteins yields technological benefits. In cereal and grain-based products, it can assist in breaking down starch and protein matrices to improve dough handling, optimize fermentation, or reduce viscosity in liquid fractions. For example, in the production of beers and other malt beverages, enzyme preparations help convert complex carbohydrates into fermentable sugars that yeast can metabolize, contributing to predictable fermentation profiles. In bakery and grain processing, protease activity may modify gluten networks to enhance dough extensibility while carbohydrase action can influence crumb structure and moisture distribution. Similarly, in the manufacture of snack foods and breakfast cereals, enzyme preparations can tailor texture and reduce processing times. In protein-rich substrates such as those used in nutritional beverages or dairy analogues, protease activity can be harnessed to produce protein hydrolysates with specific functional properties that improve solubility or reduce allergenicity. Overall, the use of this enzyme preparation is aligned with modern food manufacturing objectives of improving efficiency, consistency, and product quality. Because it is applied under controlled conditions and typically denatured or removed during processing, its presence in finished foods is incidental to its role in facilitating key process transformations. Manufacturers specify and monitor enzyme activity units to achieve desired effects without compromising safety or sensory quality in the final products.
Safety & Regulations
FDA
- Approved: True
- Regulation: 21 CFR 184.1027
EFSA
- Notes: No EFSA E-number or ADI available from d sources
JECFA
- Notes: JECFA entry for related enzyme indicates ADI not specified; year not explicitly shown
- Ins Number: 1100
- Adi Display: ADI not specified
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