High-amylose corn resistant starch is a type of starch derived from corn that has a higher proportion of amylose compared to regular corn starch. Amylose and amylopectin are two components of starch, with amylose being a linear molecule and amylopectin having a branched structure.
It's worth noting that high-amylose corn resistant starch is often used as an ingredient in food products and supplements, and its properties make it useful for certain applications in the food industry.
What is the difference of resistant starch RS1,RS2,RS3,RS4?
Resistant starches are classified into several types (RS1, RS2, RS3, and RS4) based on their structure and behavior during digestion. Here's a brief breakdown of these types:
RS1: This type of resistant starch is physically inaccessible for digestion due to its encapsulation within the cell walls of foods like grains, seeds, and legumes. These foods typically have a higher RS1 content.
RS2: Resistant starch type 2 is found in raw foods like green bananas, raw potatoes, and certain high-amylose grains. It's resistant because of its intact granular structure, making it resistant to digestion by enzymes in the stomach and small intestine.
RS3: This type of resistant starch is formed when certain starchy foods, like potatoes or rice, are cooked and then cooled. The process of cooling causes the starch to retrograde, forming structures that resist digestion.
RS4: Resistant starch type 4 refers to chemically modified starches that have been designed to resist digestion. These might be used in processed foods for various purposes, such as improving texture or providing a source of resistant starch.
Each type of resistant starch behaves differently in the body and can offer varying health benefits. For instance, RS1 is inherent in many plant foods, RS2 is found in certain raw foods, RS3 can be created through cooking and cooling, and RS4 is a modified form used in some processed foods. Including a variety of foods that contain different types of resistant starch can contribute to a balanced intake of these beneficial compounds.
Wuhan Fortuna Chemical Co., Ltd supply top quality and best price 70% high-amylose corn resistant starch RS2 with following specification. Welcome to contact us to get more detials.
Our advantage of 70% high-amylose corn resistant starch RS2.
1,Amylose content ≥70%, exceeding the American product content 2%-3%.
2,Dietary fiber content 55%-60%.
3,Features: Outstanding process characteristics, high temperature resistance, high pressure resistance.
4,Application: All kinds of flour products, restructured rice, bread cakes, biscuits and other baked goods, low GI, high fiber, prebiotics, weight management of any product form, target requirements.
ITEMS | SPECIFICATIONS | RESULTS |
Sense | ||
Appearance | White or yellowish powder,glossy | conform |
Odor | It has the inherent smell of corn starch no peculiar odor. |
|
Physical and Chemical Indexes | ||
Loss on drying (dry basis)/ % ≤ | 14.00 | 12.20 |
Ash (dry basis)/ % ≤ | 0.2 | 0.18 |
Spot/（pcs/cm 2 ）≤ | 1.0 | 0.10 |
Mesh size（100mesh sieve）/% ≥ | 98.5 | 100.0 |
Whiteness(457nm blue reflectance)/% ≥ | 85.0 | 87.3 |
Pb mg/kg ≤ | 0.15 | nd |
Nutritional Components | ||
Protein(dry basis)/% ≤ | 1.20 | 0.88 |
Fat(dry basis)/ % ≤ | 1.80 | 1.50 |
Total carbohydrate /% ≥ | 80.00 | 85.42 |
Amylose/% ≥ | 70.00 | 71.83 |
Dietary fiber/% ≥ | 50.00 | 60.27 |
Microbiological Indicators | ||
Standard plate count（cfu/g） | 65/160/65/90/130 | cfu/g |
Coliforms（cfu/g） | <10 | cfu/g |
Yeasts ＆ moulds（cfu/g） | <10 | cfu/g |
Shelf life | 24 months | |
Storage Condition | Normal temperature、drying、shady and cool | |
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