- Form
- Dry free acid; crystals or powder
- Use
- Tartness and acidulation
- Behavior
- Tart acidic taste; absorbs some moisture
- Handling
- Keep airtight and dry; match the particle grade
CHEFSQUIRE
Culinary Acids
Compare dry acidulants by form, function and handling, including gradual acidification, antioxidant use and an acid salt for baking.
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| Ingredient | Form | Use | Behavior | Handling | Sources |
|---|---|---|---|---|---|
| Dry free acid; crystals or powder | Tartness and acidulation | Tart acidic taste; absorbs some moisture | Keep airtight and dry; match the particle grade | [1] | |
| Dry free acid; crystals or powder | Fruit drinks, sweets and fruit preparations | Lingering tartness (manufacturer description) | Confirm uncoated grade and particle size | [1][2][3] | |
| Dry free acid; crystalline powder | Acidulation and flavor adjustment | Water-soluble | Distinguish from cream of tartar and DL-tartaric acid | [1][2] | |
| Dry free acid; regular or powder grades | Tartness in sweets and dessert dry mixes | Slow dissolution in gum applications (manufacturer) | Follow grade-specific dissolution conditions | [1][2] | |
| Dry acid precursor; lactone | Gradual acidification; silken tofu | Dissolves, then slowly forms gluconic acid | Control solution age, temperature and recipe timing | [1][2] | |
| Dry free acid; food-grade powder | Antioxidant; fruit browning control | Works in water-based systems | Confirm free acid; ascorbate salts and blends differ | [1] | |
| Dry acid salt; potassium bitartrate | Meringues and baking systems | Stabilizes beaten egg whites | Use the recipe's leavening balance; distinct from free tartaric acid | [1][2] |
Use food-grade ingredients. Supplier taste descriptions are qualitative; pH, titratable acidity and perceived sourness are different measures. Doses, substitution ratios and preservation methods require formulation-specific testing.
- Form
- Dry free acid; crystals or powder
- Use
- Fruit drinks, sweets and fruit preparations
- Behavior
- Lingering tartness (manufacturer description)
- Handling
- Confirm uncoated grade and particle size
- Form
- Dry free acid; crystalline powder
- Use
- Acidulation and flavor adjustment
- Behavior
- Water-soluble
- Handling
- Distinguish from cream of tartar and DL-tartaric acid
- Form
- Dry free acid; regular or powder grades
- Use
- Tartness in sweets and dessert dry mixes
- Behavior
- Slow dissolution in gum applications (manufacturer)
- Handling
- Follow grade-specific dissolution conditions
- Form
- Dry acid precursor; lactone
- Use
- Gradual acidification; silken tofu
- Behavior
- Dissolves, then slowly forms gluconic acid
- Handling
- Control solution age, temperature and recipe timing
- Form
- Dry free acid; food-grade powder
- Use
- Antioxidant; fruit browning control
- Behavior
- Works in water-based systems
- Handling
- Confirm free acid; ascorbate salts and blends differ
- Form
- Dry acid salt; potassium bitartrate
- Use
- Meringues and baking systems
- Behavior
- Stabilizes beaten egg whites
- Handling
- Use the recipe's leavening balance; distinct from free tartaric acid
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Citric acid, anhydrous
- Form
- Dry free acid; crystals or powder
- Use
- Tartness and acidulation
- Behavior
- Tart acidic taste; absorbs some moisture
- Handling
- Keep airtight and dry; match the particle grade
- Form and grade
- Cargill offers anhydrous citric acid in granular, fine-granular and powder grades. Its guide lists assay 99.5–100.5% and water ≤0.5% as typical figures; use lot documentation to establish the purchased material’s composition.
- Taste and function
- Citric acid provides acidulation. Cargill describes a tart acidic taste; its sheet supplies a qualitative description without a matched sensory comparison against the other acids.
- Preparation and storage
- Keep the purchased particle grade consistent. Set mixing time, water ratio and dissolution temperature for the intended food; Cargill’s sheet omits those process conditions. Store cool and dry in airtight containers to limit caking. Its melting point describes a phase change, not a preparation temperature.
- Form distinction
- Citric acid monohydrate contains water of crystallization. Confirm form, assay basis and moisture before reformulating; a formula-weight calculation alone cannot predict equal pH, titratable acidity or sourness.
DL-malic acid
- Form
- Dry free acid; crystals or powder
- Use
- Fruit drinks, sweets and fruit preparations
- Behavior
- Lingering tartness (manufacturer description)
- Handling
- Confirm uncoated grade and particle size
- Form and grade
- Free DL-malic acid differs from L-malic acid and coated products. Bartek’s Regular FCC specification gives a food-grade example with assay 99.0–100.5% and a defined particle cut. The sheet leaves the assay denominator unspecified; another supplier’s lot needs its own composition data.
- Taste and use
- Bartek lists beverages, confectionery and fruit preparations and describes a lingering tartness. These qualitative application descriptions supply no sensory ranking at equal mass, pH or titratable acidity.
- Preparation
- Match preparation to the actual grade and formulation. Bartek describes ready dissolution qualitatively; its general food bulletin leaves the kitchen water ratio, temperature and endpoint unspecified. The distributor solubility figure also lacks the conditions needed for a stock recipe.
- Coated products
- Encapsulated malic acid carries a coating and a lower acid fraction. Coating composition and release conditions need their own product documentation; do not substitute a coated powder for the free acid by equal mass.
L-(+)-tartaric acid
- Form
- Dry free acid; crystalline powder
- Use
- Acidulation and flavor adjustment
- Behavior
- Water-soluble
- Handling
- Distinguish from cream of tartar and DL-tartaric acid
- Form and grade
- Sigma-Aldrich specifies W304409 as L-(+)-tartaric acid, marked FG/FCC with assay ≥99.7%. Apply these particulars to that product and use lot documentation for the purchased material.
- Function
- The supplier identifies acidulation and flavor enhancement as functions. Its product description supplies no controlled sourness ranking against citric or malic acid.
- Preparation
- The product page reports water solubility. Establish mixing time, particle-size conditions and the stock-solution method for the selected formulation; the isolated numerical value does not define those preparation conditions.
- Identity
- L-(+)-tartaric acid is distinct from DL/racemic tartaric acid. Cream of tartar is its potassium acid salt and has a separate entry. Neither distinction supports an equal-mass replacement.
Fumaric acid
- Form
- Dry free acid; regular or powder grades
- Use
- Tartness in sweets and dessert dry mixes
- Behavior
- Slow dissolution in gum applications (manufacturer)
- Handling
- Follow grade-specific dissolution conditions
- Form and grade
- Bartek lists Regular FCC and Powder FCC forms. Select the documented food grade and check particle size, assay and any carrier or anti-caking ingredient on the purchased product.
- Taste and use
- Bartek describes confectionery and gelled-dessert dry-mix uses. Its chewing-gum example links slow dissolution to prolonged sourness within that application; it supplies no universal sensory ranking.
- Preparation
- Use grade-specific instructions for the intended food and confirm dissolution. Bartek’s warm-water dessert example gives neither a general mixing temperature nor a stock recipe. Published numerical solubility figures conflict and require resolution before use.
- Formulation scope
- Potency ratios, dose-to-pH rules and equal-sourness substitutions need formulation-specific support. Food-use identity alone does not establish antimicrobial performance or shelf-life results, validate a recipe or verify an unnamed retail powder.
GDL (glucono-delta-lactone)
- Form
- Dry acid precursor; lactone
- Use
- Gradual acidification; silken tofu
- Behavior
- Dissolves, then slowly forms gluconic acid
- Handling
- Control solution age, temperature and recipe timing
- What it is
- GDL is a lactone precursor rather than a free acid. Jungbunzlauer offers food-grade powder and granules; verify the grade selected for the recipe.
- How it works
- In water, GDL dissolves rapidly and then hydrolyzes gradually to gluconic acid. Acid generation continues after dissolution; concentration, temperature and pH affect the transformation. A clear solution does not mean acidification is complete.
- Kitchen use
- GDL’s gradual acidification supports silken-tofu coagulation. The studied grade, soy milk and process define the scope of Jungbunzlauer’s tofu results; other proteins and recipes need their own method.
- Preparation and timing
- Track the age of a prepared solution and the recipe’s temperature and addition schedule. The manufacturer’s tofu trials show that solution age affects texture. No universal 40–60 minute acidification time, stock holding time or dose-to-pH rule follows from these trials.
- Taste
- The manufacturer describes an initially slightly sweet taste becoming mildly acidic during hydrolysis. This qualitative description provides no sourness conversion factor.
L-ascorbic acid
- Form
- Dry free acid; food-grade powder
- Use
- Antioxidant; fruit browning control
- Behavior
- Works in water-based systems
- Handling
- Confirm free acid; ascorbate salts and blends differ
- Role
- L-ascorbic acid functions as an antioxidant. The dsm-firmenich food-ingredient guidance describes ascorbic-acid/ascorbate products for limiting enzymatic fruit browning and protecting beverage colors, with ascorbic acid in beverages or the water phase of emulsions.
- Form and grade
- Use free L-ascorbic acid as a food-grade powder and confirm its assay, moisture and any carriers. Sodium or calcium ascorbate, erythorbic acid and fat-soluble ascorbyl palmitate are different ingredients.
- Preparation
- Match preparation to the actual food formulation and product instructions. The guidance describes a water-phase application; a fruit dip, mixing temperature, dose or stable stock solution needs its own formulation-specific method.
- What the result means
- Reduced browning is a quality function, not proof of microbial control or shelf life. A sourness ranking or finished-dish vitamin-content claim requires separate support.
Cream of tartar
- Form
- Dry acid salt; potassium bitartrate
- Use
- Meringues and baking systems
- Behavior
- Stabilizes beaten egg whites
- Handling
- Use the recipe's leavening balance; distinct from free tartaric acid
- Identity
- Cream of tartar is potassium acid tartrate, also called potassium bitartrate: the potassium acid salt of L-(+)-tartaric acid. The potassium acid salt and free tartaric acid have distinct identities.
- Kitchen use
- McCormick identifies its cream-of-tartar product for stabilizing beaten egg whites in meringues and angel-food cake, and for baking-powder formulations.
- Preparation
- Use the recipe’s egg-white method or specified leavening combination. The cited guidance provides no general bicarbonate pairing, stock solution or mass-for-mass replacement for free tartaric acid.
- Product specification
- McCormick lists cream of tartar as its ingredient. Confirm lot assay and moisture with the supplier; use the eCFR potassium acid tartrate definition to distinguish the salt from free tartaric acid.