Jelly powder, also known as isinglass powder or fish gelatin powder, is a commonly used ingredient for producing jelly desserts. It is typically formulated from agar, gelatin, carrageenan, fish gelatin powder (Geely powder), along with flavorings, sugar, and other auxiliary ingredients. Unlike pure isinglass powder, jelly powder can be used directly to prepare jelly without additional juices or beverages.
1. What Is Jelly Powder?
Jelly powder is essentially isinglass powder enhanced with flavoring agents, enabling it to form jelly directly when dissolved in water. Pure fish gelatin powder (gelatine) requires additional liquids such as fruit juice, milk, or beverages to create jelly.
Fish gelatin powder (gelatine) is a protein-based gelling agent extracted from animal collagen. It plays an essential role not only in jelly but also in mousse cakes, puddings, and various dessert applications. Since it is a pure protein free of starch and fat, it is low in calories and can help supplement skin-friendly collagen.
Compared with finished jelly powder, fish gelatin powder is more cost-effective, free from pigments and added flavorings. It allows flexible recipe customization—users may add coffee, fruit juice, matcha, coconut milk, and other ingredients to create unique jelly varieties without preservatives or artificial additives.
2. Nutritional Analysis
Jelly powder contains high levels of dietary fiber, mainly water-soluble semi-fibers. These components are recognized for their potential health benefits, including:
- Promoting digestive health (“gastrointestinal scavenger” effect)
- Supporting the removal of heavy metals and radioisotopes
- Supporting prevention of hypertension, hypercholesterolemia, coronary heart disease, diabetes, obesity, tumors, and constipation
Energy per 100 g: 378 kcal
3. Standard Jelly Powder Formula
Typical jelly powder ingredients may include:
- Konjac gum: 0.3%
- K-carrageenan: 0.3%
- White sugar: 16–18%
- Sodium citrate: 0.2%
- Citric acid: 0.2%
- Flavor: 0.01%
- Pigment: 0.01%
The resulting jelly is crystal-clear, brightly colored, smooth in texture, and sweet in taste. Since the 1990s, jelly has gained widespread popularity among consumers, especially children and teenagers.
4. Product Characteristics
(1) Composition, Appearance, and Solubility
This product mainly contains carrageenan, sodium alginate, guar gum, pectin, and other hydrocolloids.
Appearance: White or off-white powder
Solubility: Soluble in warm or hot water, slowly soluble in cold water.
(2) Product Safety
All ingredients comply with national food safety standards. The product is safe and reliable when used according to recommended guidelines.
(3) Functional Features & Application Scope
- Low dosage and low cost
- Easy to operate
- Excellent gel strength and toughness
- Good heat resistance
- Transparent and glossy appearance
- Delicate, smooth taste
By incorporating milk, fruit juice, vegetable juice, or fruit pulp, the powder can produce varied jelly products with appealing textures and colors.
5. Instructions for Use
- Mix the jelly powder thoroughly with part of the sugar.
- Sprinkle the mixture into cold water while stirring.
- Heat to a slight boil and maintain warmth until fully dissolved.
- Add sweeteners, preservatives, pigments, or fruit granules.
- At 70°C, add flavorings and 0.1–0.15% acidulants.
- Perform hot filling and sealing immediately.
- After 5 minutes, cool rapidly with cold water to room temperature before packaging.
6. Recommended Dosage
- 0.5%–0.7% of total product weight
7. Sample Recipe (Reference)
| Ingredient | Percentage (%) |
|---|---|
| White sugar | 10.0 |
| Jianying Sweet Sugar 600 | 0.1 |
| Citric acid | 0.15 |
| Potassium sorbate | 0.05 |
| Jianying brand jelly powder | 0.7 |
| Essence & pigment | As needed |
8. Precautions
(1) Use the product promptly after opening. If not used immediately, remove excess air from the package and reseal.
(2) For first-time applications, conduct small-scale tests before mass production.
(3) The product is sensitive to acid in its liquid state and may decompose; minimize contact time with acids at high temperatures.
(4) For hot filling:
- Pre-sterilize containers with sterile solution
- Fill and seal at 70°C
- For post-sterilization: heat in 80°C water for 10 minutes, then cool quickly to room temperature.
9. Storage and Shelf Life
Store in an airtight container, in a dry place, and avoid direct sunlight.
Shelf life: 18 months.
What are the primary gelling agents used in jelly powder, and how do they differ?
Jelly powder typically relies on one of two main hydrocolloids to create its characteristic “wobble,” depending on the desired texture and dietary requirements:
Carrageenan or Agar-Agar: These are plant-based gelling agents derived from seaweed. They set more quickly than gelatin and stay firm even at room temperature. They offer a slightly firmer, more “brittle” snap compared to the elastic texture of gelatin, making them the preferred choice for vegan-friendly jelly products.
Gelatin: Derived from animal collagen, gelatin provides a very smooth, “melt-in-the-mouth” texture. It is thermo-reversible, meaning it melts at body temperature, but it is not suitable for vegan or vegetarian diets.
How does the preparation process affect the clarity and firmness of the finished jelly?
Achieving a professional-grade jelly requires careful control of temperature and concentration:
Cooling Rate: While most jellies set in the refrigerator, allowing the mixture to cool slightly at room temperature before refrigerating helps prevent condensation from forming on the surface, which preserves the glossiness of the final dessert.
Dissolution Temperature: Most jelly powders must be whisked into boiling or very hot water (typically above 80°C) to ensure the gelling agents fully hydrate. If the water is too cool, the jelly may turn out grainy or fail to set entirely.
Sugar and Acid Balance: The presence of high acidity (from citrus or certain fruits) can break down the protein or polysaccharide chains, resulting in a softer set. Conversely, the correct ratio of sugar helps stabilize the water molecules, contributing to a clearer, more translucent appearance.
