CALCIUM PANTOTHENATE
Calcium pantothenate is the calcium salt form of pantothenic acid (vitamin B5) used as a nutrient supplement and source of pantothenic acid in food and nutritional products.
What It Is
Calcium pantothenate is a calcium salt of pantothenic acid, which is a member of the B‑vitamin family and is widely used as a nutrient supplement in food and nutritional products. It serves as a source of pantothenic acid (vitamin B5) in formulations where a stable, water‑soluble form of this vitamin is required. Unlike the free acid form, calcium pantothenate is more suitable for formulation into powdered or dry blends and is recognized for its role in fortifying foods to support nutrient profiles. The substance carries the CAS Registry Number 137‑08‑6, linking it to defined chemical identification used by regulatory agencies and chemical databases to ensure precise substance tracking. In food regulatory contexts, it can be listed under direct or indirect food ingredient inventories depending on region and usage conditions. Calcium pantothenate is technically classified as a nutrient supplement due to its contribution of an essential nutrient rather than a flavoring, preservative, or texturizer. While not typically assigned an E‑number in the European Union food additive list for direct use in foods for human consumption, calcium pantothenate is included in nutritional additive regulations and food nutrient fortification frameworks in certain regions. Its inclusion in formal regulatory listings, such as the Code of Federal Regulations in the United States, reflects its established technical role as a nutrient additive and its safe use within defined conditions of good manufacturing practice. Calcium pantothenate’s technical function centers on providing an essential nutrient without altering sensory characteristics of the food, making it valuable in fortified and enriched products.
How It Is Made
Calcium pantothenate is generally synthesized through chemical routes that begin with pantothenic acid, which itself can be derived from fermentation or synthetic chemistry. The free acid form of pantothenic acid is reacted with a calcium source, such as calcium hydroxide, under controlled conditions to form the calcium salt. This reaction results in a stable, solid compound that maintains the nutritional functionality of pantothenic acid while improving handling and formulation properties. After synthesis, the crude product is purified to meet stringent food and pharmaceutical quality specifications. Purity criteria often reference pharmacopeial monographs, which outline limits for related impurities, moisture content, and assay of the active component. Calcium pantothenate is typically characterized as a white to off‑white powder with defined solubility properties, and the finished substance undergoes quality control testing to ensure it meets regulatory and technical requirements for use in food and supplement products. The manufacturing process is designed to comply with good manufacturing practices (GMP) and quality standards, reflecting international guidance on chemical food ingredient production. Although specific monograph details vary by pharmacopoeia or food chemical codex reference, the core production method emphasizes chemical transformation of pantothenic acid into its calcium salt, followed by purification and verification of identity and strength. Industrial manufacturers must adhere to region‑specific food additive specifications and controls to ensure that the resulting calcium pantothenate product is appropriate for its intended use in food fortification and nutrient supplementation.
Why It Is Used In Food
Calcium pantothenate is used in food primarily as a nutrient supplement, supplying pantothenic acid (vitamin B5) to fortify food products and improve their nutritional content. Pantothenic acid is an essential water‑soluble vitamin involved in fundamental metabolic processes, and including its stable salt form in fortified foods helps meet dietary requirements where natural levels in a food matrix might be insufficient. In food production, technologists often choose calcium pantothenate because it integrates easily into dry mixes, beverages, and extruded products without negatively affecting taste or texture. Its stability under typical processing conditions and compatibility with other vitamins and minerals make it suitable for multivitamin blends and enriched food formulations. Food manufacturers may also select it for nutritional beverage mixes, breakfast cereals, meal replacements, and other functional foods aimed at delivering a balanced vitamin profile. Calcium pantothenate does not impart significant flavor or color, allowing it to provide nutritional benefits without altering the sensory profile of foods. This non‑sensory impact is important for products where maintaining the inherent taste and appearance is desirable. As awareness of nutrient deficiencies and dietary optimization grows, calcium pantothenate’s role in food fortification continues to support efforts to enhance the nutrient density of staple and value‑added products.
Adi Example Calculation
An illustrative calculation of acceptable intake for a nutrient supplement like calcium pantothenate contrasts a hypothetical fortification scenario against general nutrient intake guidelines. For example, if a fortified beverage delivers 2 milligrams of pantothenic acid equivalent per serving, and an adult consumer drinks two servings daily, the total additional intake from those products would be 4 milligrams of pantothenic acid equivalent. In comparison, typical dietary recommendations for pantothenic acid encourage sufficient levels to meet daily metabolic needs without specifying an upper limit for toxicity, given the water‑soluble nature and low toxicity of pantothenic acid. This example is intended solely to illustrate how nutrient contributions from fortified products may be considered relative to total nutrient intake. It does not constitute a recommended intake for any individual, and actual nutrient requirements vary by age, life stage, and overall diet composition. Regulatory approaches generally urge fortification within reason to avoid excessive nutrient concentrations while supporting public health goals.
Safety And Health Research
Safety evaluations for calcium pantothenate and related pantothenic acid derivatives consider the chemical’s role as a source of an essential nutrient rather than a pharmacologically active compound. Regulatory frameworks that affirm its use typically rely on historical data, toxicological evidence, and established dietary reference values for pantothenic acid and its salts. For example, evaluations by expert panels and committees, such as those coordinated through JECFA, involve assessment of intake data, chronic toxicity, and other endpoints relevant to establishing acceptable use conditions. (世界卫生组织应用程序) Available evidence indicates that pantothenic acid and its calcium salt forms are generally of low toxicity when used at levels appropriate for nutrient supplementation. Because pantothenic acid is a recognized water‑soluble vitamin with established dietary roles and is widely distributed in foods naturally, regulatory assessments account for both background dietary intake and contributions from fortified products without defining adverse effect levels at normal fortification levels. Research and safety data for calcium pantothenate often derive from compiled toxicological monographs and codex specifications that emphasize identity and purity rather than hazard classification. These evaluations consider general toxicology endpoints such as acute toxicity, subchronic exposures, and reproductive or developmental studies when available, focusing on whether the compound’s use contributes meaningfully to nutrient intake without posing safety concerns at anticipated exposure levels. While detailed numeric hazard thresholds are not routinely d for nutrient supplements in regulatory texts, the broad acceptance of calcium pantothenate in fortified foods and supplements under good manufacturing practice conditions supports a general safety profile consistent with regulatory criteria for nutrient fortification.
Regulatory Status Worldwide
In the United States, calcium pantothenate is recognized in the Code of Federal Regulations under 21 CFR 184.1212, which affirms its status as a direct food substance that may be safely used in food under conditions of current good manufacturing practice and as a nutrient supplement; this provision reflects a regulatory determination that the substance’s use is consistent with safety expectations when properly formulated. The regulation specifically mentions its use in foods and in infant formula in accordance with relevant Federal Food, Drug, and Cosmetic Act requirements. These regulatory listings do not assign a numerical food additive permit number but rather document its status as a permitted direct food ingredient under affirmation conditions. In the European Union, calcium D‑pantothenate, which corresponds chemically to calcium pantothenate used as a source of pantothenic acid, has been subject to authorization processes as a feed additive for animal species, with recent implementing regulations renewing its authorization for use as a nutritional additive in feed. Such authorizations in the feed sector demonstrate regulatory acceptance of the substance’s function in animal nutrition under defined conditions; however, separate evaluation and listing as a food additive for general human consumption fall under Annex II of EU Regulation 1333/2008, and formal E‑number assignment requires specific listing in the Union list. (EUR-Lex) Worldwide, the Joint FAO/WHO Expert Committee on Food Additives (JECFA) maintains specifications and evaluation data for food additives, including nutrient sources such as calcium salts of vitamins, although detailed ADI values or numeric evaluation results for pantothenic acid salts may not be directly extracted without consulting the specific monograph entries in the JECFA database. JECFA’s continued inclusion of nutrient additives in its database reflects ongoing international scientific consideration of identity, purity, and safety data for such substances. (FAOHome
Taste And Functional Properties
Calcium pantothenate is generally described as having minimal taste impact, making it suitable for use in a wide range of products without contributing noticeable flavor. In its pure form, it is considered nearly tasteless and blends effectively into formulations where nutrient fortification is needed without sensory alteration. This property is particularly valuable in neutral‑flavored beverages, dry mixes, and fortified foods where taste integrity is important. From a functional chemistry perspective, calcium pantothenate is water‑soluble, allowing it to disperse uniformly in aqueous solutions and mixes. Its solubility supports homogeneous distribution through liquid fortification systems and contributes to predictable nutrient delivery in finished products. The compound’s stability under typical food processing conditions such as heat, moderate pH changes, and drying processes further enhances its utility, although manufacturers may still monitor specific processing parameters to maintain ingredient integrity. In addition to solubility and stability, calcium pantothenate’s crystalline nature enables easy handling during manufacturing and blending operations. Because it lacks significant reactivity with many common food components, it can coexist with other vitamins, minerals, and functional ingredients in complex formulations. These functional properties collectively support calcium pantothenate’s widespread use as a nutritional ingredient in fortified and enriched food products while preserving product quality and consumer acceptability.
Acceptable Daily Intake Explained
The concept of acceptable daily intake (ADI) is used by regulatory bodies and expert committees to express an amount of a substance that can be ingested daily over a lifetime without appreciable health risk. For nutrient supplements such as calcium pantothenate, formal numeric ADI values may not always be explicitly established because regulatory frameworks treat essential nutrients differently from food additives with no nutritive value. Instead, nutrient requirements and recommended dietary allowances guide safe intake ranges for vitamins and their salt forms. Because calcium pantothenate serves as a source of pantothenic acid, its contribution to total vitamin B5 intake is considered alongside background dietary intake from natural sources such as meat, eggs, legumes, and whole grains. Regulatory evaluations typically emphasize that fortification should align with established dietary patterns and not exceed levels necessary to achieve nutritional objectives. In this context, assigning a numeric ADI for calcium pantothenate itself is uncommon, and regulators may instead refer to nutrient intake recommendations for pantothenic acid. When regulators or scientific bodies do evaluate substances for ADI values, they apply safety factors to toxicological data to account for variability in human responses. Those assessments help determine maximum permissible levels in foods and supplements. For calcium pantothenate, the absence of a widely publicized numeric ADI in authoritative databases suggests that regulatory reliance on existing nutrient frameworks and compositional specifications suffices to manage intake safety, with formal ADI documentation available through specific expert committee reports when required.
Comparison With Similar Additives
Calcium pantothenate can be compared with other nutrient supplements used for vitamin fortification in foods. For example, vitamin B3 in the form of nicotinamide and vitamin B6 as pyridoxine hydrochloride function similarly as sources of essential vitamins in fortified products, delivering specific micronutrients without contributing sensory changes. Like calcium pantothenate, these compounds are included in regulated lists where they meet purity and functional criteria for use in food fortification. Another comparator is vitamin B12 (cyanocobalamin), which, like calcium pantothenate, is used in fortified foods and supplements to address specific nutrient needs. Cyanocobalamin is highly stable and effective at delivering vitamin B12, while calcium pantothenate offers pantothenic acid in a stable, water‑soluble form. Riboflavin (vitamin B2) likewise serves as a fortification additive with well‑established regulatory frameworks and functional characteristics similar to calcium pantothenate. Across these nutrient supplements, a common theme is the balance between providing bioavailable vitamins and maintaining product quality. Functional considerations such as solubility, stability to processing, and compatibility with other ingredients influence formulation decisions, making calcium pantothenate and similar compounds valuable tools for enhancing the nutritional profile of fortified foods and beverages.
Common Food Applications Narrative
Calcium pantothenate is widely employed across a variety of fortified and enriched food products aimed at delivering essential nutrients to consumers. Because it supplies pantothenic acid, a water‑soluble B‑vitamin involved in metabolic pathways, food manufacturers incorporate calcium pantothenate into products where additional vitamin fortification improves nutritional profiles without affecting taste or texture. In many regions, breakfast cereals and grain‑based foods are common vehicles for vitamin fortification, and calcium pantothenate can be included alongside other B‑vitamins to create a balanced nutrient profile that supports general health. Nutrient mixes and powdered beverage bases also frequently use calcium pantothenate, taking advantage of its water solubility and consistent dispersion to ensure uniform vitamin content. Ready‑to‑drink fortified beverages and energy drinks may incorporate this ingredient to enhance their vitamin content, especially in products targeting active or health‑conscious consumers. Dietary supplement tablets and capsules often contain calcium pantothenate as part of multivitamin or B‑complex formulations. Its stability and compatibility with other supplement ingredients make it a standard choice in supplement design. Meal replacement bars and nutrition‑enhanced snack products similarly use calcium pantothenate to contribute to their declared vitamin B5 content. The use of this nutrient supplement in these broad categories of products helps address consumer interest in foods that support balanced nutrition, particularly where natural food sources might not provide adequate levels on their own.
Safety & Regulations
FDA
- Approved: True
- Regulation: 21 CFR 184.1212
EFSA
- Notes: EFSA authorisation pertains to feed additives for animal species; human food additive status not verified on Union list.
JECFA
- Notes: Specific JECFA numeric values not identified in the public database; specifications exist.
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