Modified Starch
What are Modified Starches? Modified starches are plant-based ingredients/additives used in food, derived from cereals (maize and wheat) and tubers (potatoes). They belong to the Carbohydrates family. Modified starches are based on starch extracted from grains and vegetables, such as wheat, maize, potatoes.
What is Cationic Starch?
Cationic starches are important starch-based additives that have been used for decades in a variety of industries and products including cellulose paper and cardboard, textiles, and cosmetics. They can be used as a rheology modifiers, thickening agents, flocculants, emulsion stabilizers, textile sizing agents, paper binders, and coating agents.
The most important application is the production of paper and cardboard. Cationic starches are known to improve tear strength, help to bind particles together and on the base paper material, and increase the retention of fibers and fillers.
Specification of Cationic Starch
| S.No | Parameters | Specifications |
|---|---|---|
| 01 | Physical Form | Powder |
| 02 | Colour | White |
| 03 | Odor | Odourless |
| 04 | pH of 10% Slurry | 5.0 to 8.0 |
| 05 | Cold Water Solubility | 4% Maximum |
| 06 | Moisture Content, % w/w | 13 Maximum |
| 07 | Ash % w/w | 1 Maximum |
| 08 | Sieve Analysis | 99.8% passing through 40 Mesh BSS |
| 09 | Character | Cationic |
| 10 | Starch Content on Dry Basis | 98% Minimum |
| 11 | 6% Solution B4 Cup at 90 Deg Centigrade | 14-18 seconds |
| 12 | Viscosity of 5% solution in Brookfield Viscometer (Model: RVT), Temp: 60°C, Spindle No: 3 | 1050 - 1450 CPS |
| 13 | Brightness % | Above 90 |
| 14 | Nitrogen % | 0.42 - 0.47 |
| 15 | Degree of Substitution | 0.028 - 0.035 |
What is Oxidised Starch?
Oxidation, as a chemical way of starch modification, is commonly used to obtain modified starches with low viscosity at high solid concentrations. The oxidized starch has been reported to have excellent film-forming properties
Specification of Oxidised Starch
| S.NO | PARAMETERS | SPECIFICATIONS |
|---|---|---|
| 01 | Physical Form | Powder |
| 02 | Colour | White |
| 03 | Odor | Odourless |
| 04 | pH of 10% Slurry | 7.0 to 8.0 |
| 05 | Cold Water Solubility | 4.0% Maximum |
| 06 | Moisture content, % w/w | 12.0% Maximum |
| 07 | Ash % w/w | 1.0% Maximum |
| 08 | Character | Oxidised |
| 09 | Starch Content on Dry Basis | 98.0% Minimum |
| 10 | 6% Solution B4 Cup at 90 Deg Centigrade | 12-13 seconds |
| 11 | Particle Size | 99.8% passing through 40 Mesh BSS |
| 12 | Brightness % | Above 90 |