The following formula is provided for reference and product development trials only. Actual formulation should be adjusted according to raw materials, processing conditions, and final product requirements.

A Basic LA Gellan Gum Gel Formula

Quick Overview

Low Acyl Gellan Gum (LA) is widely used when a strong and clear gel structure is required.

Compared with High Acyl Gellan Gum, LA generally provides:

✓ stronger gel strength
✓ transparent appearance
✓ firmer texture
✓ better shape retention

Typical applications include:

* jelly products
* gel desserts
* microbiology media
* plant tissue culture
* clear gel systems

The final gel properties depend strongly on:

* LA dosage
* calcium level
* pH
* processing conditions

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Basic Reference Formula

For 100 kg Gel System

| Ingredient | Amount |
| ------------------------ | --------------------------: |
| Water | 95–99 kg |
| Sugar / solids | 1–10 kg |
| Low Acyl Gellan Gum (LA) | 100–500 g |
| Calcium salt | Adjust according to formula |
| Acid / flavor | As required |

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Recommended LA Gellan Gum Dosage

Typical range:

0.10–0.50%

Equivalent to:

100–500 g LA gellan gum per 100 kg system

Suggested starting point:

0.20% LA gellan gum

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Why Choose LA Gellan Gum?

LA gellan gum forms a strong three-dimensional gel network.

Main characteristics:

Strong Gel Structure

Suitable when the product requires:

* shape retention
* cutting ability
* firm texture

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Transparent Appearance

LA can create clear gels, making it suitable for:

* transparent desserts
* beverage gels
* laboratory applications

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Calcium Responsive

LA gellan gum interacts with cations, especially:

* calcium ions
* magnesium ions

These minerals influence:

* gel strength
* setting speed
* brittleness

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Suggested Processing Method

Step 1 — Dry Mixing

Premix:

* LA gellan gum
* sugar

Purpose:

* improve dispersion
* prevent lump formation

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Step 2 — Hydration

Add the powder mixture into water under agitation.

Recommended temperature:

85–90°C

Allow complete hydration.

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Step 3 — Add Calcium System

Add calcium source according to the desired texture.

Common calcium sources:

* calcium lactate
* calcium chloride

Calcium should be carefully controlled.

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Step 4 — Cooling and Gel Formation

After cooling:

LA gellan gum develops the final gel structure.

The cooling process affects:

* firmness
* elasticity
* transparency

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Recommended Trial Design

Because LA gel properties are highly dosage dependent:

| Trial | LA Gellan Gum |
| ----- | ------------: |
| A | 0.10% |
| B | 0.20% |
| C | 0.30% |
| D | 0.50% |

Evaluate:

* gel strength
* transparency
* brittleness
* water release
* setting behavior

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Common Problems & Solutions

Problem 1: Gel Is Too Brittle

Possible causes:

* excessive LA dosage
* excessive calcium
* low solids content

Solutions:

* reduce LA level
* reduce calcium concentration
* adjust formulation balance

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Problem 2: Gel Is Too Weak

Possible causes:

* insufficient LA dosage
* incomplete hydration
* low mineral interaction

Solutions:

* increase LA gradually
* improve heating process
* optimize calcium level

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Problem 3: Uneven Gel Formation

Possible causes:

* poor dispersion
* calcium added too early
* incomplete hydration

Solutions:

* improve premixing
* hydrate LA completely before calcium addition
* control addition sequence

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Practical Starting Formula

For a first LA gel trial:

100 kg gel system

*

200 g Low Acyl Gellan Gum

*

Controlled calcium addition

*

Hydration at 85–90°C

is a reasonable starting point.

The final formula should be optimized according to:

* desired gel strength
* calcium level
* pH
* application requirements
* processing equipment

This formula is intended for product development trials only. Commercial production should always be validated with actual ingredients and processing conditions.