Dante Carrillo
Non-starch polysaccharides (NSPs) are naturally occurring compounds found in many foods. They are associated with dietary fibre and have important health implications for humans and animals. NSPs have various physiological effects on the small and large intestine, promoting gut health and reducing the risk of serious diet-related diseases such as coronary heart disease, colo-rectal cancer, and inflammatory bowel disease. They also provide functional benefits to the food industry, acting as thickeners, stabilizers, and emulsifiers. NSPs are a significant component of poultry diets, influencing bird performance and nutrient utilization. However, their complex nature makes understanding their impact on the intestinal tract challenging. Further research is needed to fully comprehend the nutritional and physiological effects of NSPs and determine appropriate intake levels for different age groups.
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What You'll Learn
- NSPs are a natural source of dietary fibre
- They have important health implications for the small and large intestine
- NSPs can be used to treat serious diet-related diseases
- NSPs can be used as food additives to thicken, stabilise and emulsify food products
- NSPs can improve gut health and act as a source of energy
NSPs are a natural source of dietary fibre
Non-starch polysaccharides (NSPs) are naturally occurring in many foods and are a natural source of dietary fibre. NSPs are polymeric carbohydrates that are different from starch. They cannot be digested by animals because they are cross-linked, meaning they form bonds that link one polymer chain to another.
NSPs are an important source of dietary fibre because they have various physiological effects in the small and large intestine, which have important health implications. For example, NSPs can help to reduce the risk of serious diet-related diseases, including coronary heart disease, colo-rectal cancer, inflammatory bowel disease, and breast cancer. Insoluble NSPs are an effective laxative, while soluble NSPs can lower plasma cholesterol levels.
Soluble NSPs also play a major role in the food industry as additives. They can be used to thicken, stabilize, gel, and emulsify food products. In addition, NSPs can be used as a source of energy and have prebiotic properties that can improve gut health.
Despite the importance of NSPs as a source of dietary fibre, they are often not considered during the formulation of diets, particularly in poultry feed. This may be due to the complexity of their structural components and the limited understanding of how fibre interacts with other dietary nutrients within the intestinal tract. However, recent developments in methods for measuring NSP have increased the precision of estimating the dietary fibre component of feed ingredients and diets.
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They have important health implications for the small and large intestine
Non-starch polysaccharides (NSPs) are naturally occurring compounds found in many foods. They correspond to dietary fibre and have various physiological effects on the small and large intestine, thereby having important health implications.
NSPs are polymeric carbohydrates that are different from starch. They cannot be digested by animals because they are cross-linked, meaning they form bonds that link one polymer chain to another. A major proportion of dietary NSPs escape the small intestine nearly intact. They are then fermented into short-chain fatty acids (SCFAs) by commensal microflora in the colon and cecum, which promotes normal laxation.
SCFAs have a number of health-promoting effects, particularly in promoting large bowel function. They may also lead to a diminished risk of serious diet-related diseases, such as coronary heart disease, colo-rectal cancer, inflammatory bowel disease, and breast cancer. Certain NSPs, through their fermented products, may also promote the growth of specific beneficial colonic bacteria, which offer a prebiotic effect.
Soluble NSPs (found in varying levels in cereals like rye, wheat, barley, and oats) can be used as additives in the food industry, as they have physicochemical properties that can thicken, stabilize, gel, and emulsify food products. Insoluble NSPs, on the other hand, are beneficial for gut health as they regulate gut motility and passage rate, giving a sensation of satiety and promoting the healthy development of the gut.
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NSPs can be used to treat serious diet-related diseases
Non-starch polysaccharides (NSPs) are naturally occurring compounds found in many foods. They have important health implications, particularly for the small and large intestines, due to their physiochemical and biological properties, which correspond to dietary fibre.
NSPs have various health benefits, including improved gut health, acting as an energy source, and providing gastrointestinal function. Notably, NSPs can be used to treat serious diet-related diseases. For example, NSPs can help lower the risk of coronary heart disease, colo-rectal cancer, inflammatory bowel disease, breast cancer, and mineral-related abnormalities. This is due to their water dispersibility, viscosity effect, bulk, and ability to ferment into short-chain fatty acids (SCFAs). Insoluble NSPs act as effective laxatives, while soluble NSPs help lower plasma cholesterol levels.
Furthermore, NSPs can be used therapeutically to promote large bowel function and stimulate the growth of beneficial colonic bacteria, offering a prebiotic effect. NSP-based films and coatings for packaging and wrapping are also of commercial interest due to their compatibility with various food products.
Overall, NSPs play a crucial role in maintaining gut health and treating serious diet-related diseases, contributing to overall human health and nutrition. However, it is important to note that the physiological and nutritional impact of NSPs is not yet fully understood, and further research is needed to determine the recommended dose for different age groups.
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NSPs can be used as food additives to thicken, stabilise and emulsify food products
Non-starch polysaccharides (NSPs) are important components of a healthy diet. They occur naturally in many foods and have been linked to a reduced risk of serious diet-related diseases, including coronary heart disease, colo-rectal cancer, inflammatory bowel disease, and breast cancer. NSPs are also used as food additives, providing the ability to thicken, stabilise, and emulsify food products.
NSPs are used as thickeners in food products to increase viscosity and improve texture. Guar gum, for example, is a commonly used NSP thickener that can enhance the mouthfeel and stability of products such as ice cream and silk screen printing. Guar gum also acts as an effective emulsifier, helping to stabilise and combine immiscible liquids, such as oil and water, to form stable emulsions. This property is utilised in various food products, including mayonnaise and salad dressings, where it helps to prevent separation and maintain a smooth, consistent texture.
The ability of NSPs to stabilise food products is also valuable in the food industry. NSPs can form gels or stabilise emulsions, providing structure and preventing separation or syneresis (the extraction of serum or whey) in products. For instance, the addition of hydrocolloids, such as guar gum, can regulate the formation of maize starch gels, resulting in a more stable product. This stabilising effect is also beneficial in dairy matrices, where NSPs interact with proteins to control and design structures, improving the overall quality and stability of dairy-based foods.
Furthermore, NSPs find application as food additives in the form of coatings and packaging materials. NSP-based films and coatings are compatible with various food products and can provide protective barriers, potentially enhancing shelf life and preserving the quality of the packaged goods. While NSPs have established their importance as food additives, ongoing research continues to explore and optimise their functional properties in different applications.
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NSPs can improve gut health and act as a source of energy
Non-starch polysaccharides (NSPs) occur naturally in many foods and correspond to dietary fibre. NSPs have various physiological effects on the small and large intestine, and therefore have important health implications.
Firstly, NSPs can improve gut health. Dietary fibre in foods can help keep us regular, reduce the risk of bowel cancer, and feed the healthy bacteria in our gut. Whole foods, such as fruits, vegetables, legumes, wholegrains, and nuts, may prevent the growth of some bacteria linked to diseases and inflammation. NSPs can also be fermented into short-chain fatty acids (SCFAs) by bacteria in the colon, which promote normal bowel function. Certain NSPs may also promote the growth of specific beneficial colonic bacteria, which offer a prebiotic effect.
Secondly, NSPs can act as a source of energy. The fermentation of NSPs into SCFAs provides health benefits and is particularly effective in promoting large bowel function. Insoluble NSPs are effective laxatives, while soluble NSPs can lower plasma cholesterol levels.
Overall, NSPs are an important component of a healthy diet, providing energy and supporting gut health through their effects on the intestinal bacteria and bowel function. While research into the impact of NSPs on gut health is ongoing, it is clear that they play a crucial role in maintaining overall health and well-being.
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Frequently asked questions
Non-starch polysaccharides (NSPs) are polymeric carbohydrates that occur naturally in many foods. They are also the major part of dietary fibre in plant-based feed ingredients.
NSPs have important health implications for humans. They show various physiological effects in the small and large intestine, improving gut health and acting as a source of energy. NSPs can also be fermented into short-chain fatty acids (SCFAs), which may lower the risk of serious diet-related diseases, including coronary heart disease, colo-rectal cancer, inflammatory bowel disease, and breast cancer.
NSPs can be classified as either soluble or insoluble. Soluble NSPs are used as additives in the food industry, as they can thicken, stabilise, gel, and emulsify food products. Insoluble NSPs are the bulk of the total fibre in the diet and are effective laxatives.
