Modernist Pantry Pure Sodium Alginate — 50 g (2 oz) spherification powder, Vegan & OU Kosher

Pure Sodium Alginate from Modernist Pantry is a food-grade, vegan gelling agent used for professional-level spherification and modernist cooking techniques.

Made from brown seaweed and certified OU Kosher, this 50 g (2 oz) pack of sodium alginate delivers consistent viscosity and clean-setting performance for both direct and reverse spherification. It is formulated for culinary use—not industrial—and works reliably in cocktails, sauces, garnishes, and dessert applications where smooth, elastic gels are required. Use it to encapsulate liquids, stabilize emulsions, or add textured components to plated dishes.

How do I use this sodium alginate for spherification?

For direct spherification, dissolve sodium alginate into your flavored liquid, remove bubbles, and drop into a calcium bath to form thin, gelled membranes. For reverse spherification, prepare a calcium solution in the flavored liquid and drop into an alginate bath to create thicker, longer-lasting spheres. Always blend thoroughly and allow time for hydration to avoid graininess.

• Typical concentration: 0.5–1.0% alginate in flavored liquids for direct spherification.
• Reverse spherification: 0.5–2.0% calcium in the inner liquid and 0.5% alginate bath.
• Hydration time: rest 30–60 minutes after blending; remove surface bubbles.
• Use a hand blender for even dispersion and a fine skimmer for forming spheres.

What makes Modernist Pantry’s alginate suitable for professional kitchens?

This sodium alginate is 100% food grade and sourced from natural brown seaweed, providing a reproducible texture and neutral flavor in finished preparations. It meets Orthodox Union (OU) Kosher certification and is non-GMO and vegan, so it fits diverse dietary and regulatory needs in restaurants and test kitchens. The particle size and purity are controlled to minimize clumping and ensure predictable hydration.

• 100% food-grade material specifically for culinary use, not industrial-grade.
• Neutral taste and odor to preserve primary flavors.
• Consistent viscosity optimized for both direct and reverse techniques.
• Orthodox Union certification, non-GMO, and vegan-friendly.

How should I store and measure this ingredient for best results?

Keep the product sealed in a cool, dry place away from direct sunlight and humidity to prevent clumping and degradation. Use a precision scale or calibrated measuring spoons for accurate dosing—small percentage differences change gel strength significantly. Always label opened containers and rotate stock for freshness.

• Storage: airtight container in a cool, dry pantry.
• Measurement: weigh to the nearest 0.1 g for repeatability.
• Avoid moisture exposure; add desiccant if storing long-term.
• Typical yield: 50 g is enough for many test batches and small-service runs.

Are there safety considerations and ingredient interactions I should know about?

Sodium alginate is generally safe for culinary use when used as directed; do not substitute industrial grades that are not intended for food. It reacts specifically with calcium ions to form gels—be mindful of calcium content in your base liquids, which will affect gelling behavior. Avoid overheating alginate past recommended temperatures to prevent viscosity loss and follow good hygiene practices when handling powdered ingredients.

• Only use food-grade alginate for edible applications.
• Calcium in recipes alters gel formation—test small batches first.
• Avoid high heat; hydrate at room temperature for best texture.
• Store away from moisture and strong odors to maintain purity.

Who is this for: Modernist Pantry Pure Sodium Alginate is aimed at professional chefs, culinary students, bartenders, and enthusiastic home cooks exploring modernist techniques. It’s ideal for anyone creating spherified cocktails, gelled garnishes, innovative plated desserts, or experimental textures who needs a reliable, certified food-grade alginate with clear handling guidelines.

Ingredients

100% Food Grade Sodium Alginate