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The emulsifiers present in PlusProtect Digestive© boost fat digestion by 1.9 folds | PlusVet Animal Health
Expertos en fitobióticos y salud digestiva
PlusVet Animal Health, feed additives, feed additives, plant extracts, essential oils, phytobiotics, phytochemicals, phytogenics, replace antibiotics growth promoters, natural products, digestive health, poultry, poultry, swine, pigs, ruminants, aquaculture, rabbits
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The emulsifiers present in PlusProtect Digestive© boost fat digestion by 1.9 folds

PlusVet Animal Health, feed additives, feed additives, plant extracts, essential oils, phytobiotics, phytochemicals, phytogenics, replace antibiotics growth promoters, natural products, digestive health, poultry, poultry, swine, pigs, ruminants, aquaculture, rabbits

Fats arrive to the digestive tract in the form of big globules. In the small intestine, bile salts secreted by the gallbladder emulsify the globules and break them down into smaller particles, and making the lipids available for digestion by lipase, a pancreatic enzyme.

A molecule of fat, called triglyceride, is composed by a molecule of glycerol bound to three fatty acids. Lipase catalyzes the hydrolysis of triglycerides into glycerol and three fatty acids, which later form micelles that are absorbed by the enterocytes.

The digestibility of fats depends on animal species, age (it is lower in young animals), gut health, presence of non-starch polysaccharides in feed, and the chemical characteristics of the fatty acids.

An emulsifier is a compound or that acts as a stabilizer for emulsions, preventing liquids that ordinarily don’t mix from separating. Emulsifiers are amphipathic: contain a water-soluble and a fat soluble part, acting as a bridge between water and lipid soluble materials.

Supplementation with dietary emulsifiers increases fat utilization beyond the physiological levels of bile salts, emulsifying lipid globules, breaking them down into small drops and making fats more available for lipase digestion. Supplementation with dietary emulsifiers increases fat digestibility, improves energy efficiency, and yields economic benefits.

In this research project, we wanted to find out if the emulsifiers that we use in the manufacturing of PlusProtect Digestive© have the additional benefit of improving fat digestibility. Besides PlusProtect Digestive©, we tested two other emulsifiers commonly used in the formulation of animal health products.

To carry out the test, soybean oil was incubated with bile salt, lipase and PlusProtect Digestive©/emulsifier A/emulsifier B/without emulsifier – control. After incubation, the acid value of each batch was found by titration. The acid value is defined as the amount of free fatty acid present in the oil requiring a computed mass of potassium hydroxide to neutralize it, therefore, the higher the acid value of the sample, the more free fatty acids present and the better fat digestion has been during sample incubation.

Reagents

  • 5 mM phosphate buffer, pH 7.0
  • Bile salt and lipase solution: bile salt 25 mg/mL, lipase 8 mg/mL
  • Acetone
  • 10 g/L phenolphthalein

Method

1. Preparation of the emulsions

4 g soybean oil was mixed with 1 ml of PlusProtect Digestive© or an equivalent amount of emulsifier A and emulsifier B.  The control group contained 4 g soybean oil without emulsifier.

The mixture was bought to 100 ml with phosphate buffer and homogenized at 5000 rpm for 5 minutes.

2. 80 ml of each batch was mixed with 20 mL bile salt and lipase solution and incubated at the ultrasound homogenizer at 41℃ for 30 minutes. 1 ml acetone was added to terminate the reaction.

3. 2 ml phenolphthalein indicator solution was added, and the sample was titrated with 0.1 M sodium hydroxide. Titration was performed twice in each sample.

4. The acid value of each batch was calculated.

Results – Calculation of acid values

Conclusion

Looking at the acid values, the emulsifiers contained in PlusProtect Digestive© increase fat digestion by 1.9 compared to control, while emulsifier A and B increase lipid digestion by 1.69 and 1.72 respectively.

Products of choice

PlusProtect Digestive© is intended for digestive health in birds and rabbits of all ages. It is formulated with synergistic ingredients:

  • Essential oils with bactericidal and fungicidal activity
  • Plant extracts with prebiotic effect.
  • Immunostimulant and antioxidant essential oils

 

PlusProtect Digestive© is useful to improve gut health in the following cases:

  • Candidiasis in beak, crop and gizzard
  • Bacterial infections in gizzard. In severe cases, it is better to give together with our PlusBind© line (mycotoxin binders)
  • Bacterial infections in the intestines (necrotic enteritis; E.coli; Salmonella sp.)
  • General digestive imbalances, such as feed passage.

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