What is the difference between naringenin and naringin?

Naringin contains a rutinose sugar group; naringenin is the aglycone form of naringin. Naringenin and naringin are structurally similar citrus flavonoids, but their properties such as solubility, taste, processing characteristics, and possible formulation are different.

Naringenin vs Naringin: Chemical Structure

The difference between naringenin and naringin is that naringin has a sugar moiety attached to it.

Naringenin is a flavanone aglycone, molecular formula: C15H12O5 and molecular weight: 272.25 g/mol.

Naringin: Glycoside made of naringenin + rhamnose/glucose sugar group.

Molecular relationship: The molecular structure of naringenin is the non-glycosylated form, whereas naringin has an additional carbohydrate structure.

Formulation impact: This structural difference will cause a change in polarity, solubility, hydrolysis, and the reaction with other formulation components.

Naringenin powder and naringin powder are not interchangeable raw materials, however, because they have different molecular structures.

 

Naringenin Powder vs Naringin Powder: Solubility and Taste

One of the most critical factors between naringenin powder and naringin powder is their solubility.

Naringenin: It is somewhat less soluble in water and is typically difficult to disperse or solubilize in water-based formulations.

Naringin: It is also sparingly soluble, but its glycoside structure creates a different dissolution profile compared to naringenin.

Taste profile: Naringin has a strong grapefruit (citrus) bitter taste.

Processing conditions: Particle size, moisture, temperature, and pH, as well as the type of carrier used, can all influence dispersion and dissolution.

The low aqueous solubility has recently been identified as a major formulation problem in naringin, and various formulations such as solid dispersion, inclusion complex, emulsion, liposome, and others are being explored to enhance the physical performance of naringin.

 

How to Use Naringenin and Naringin in Formulations

The dose of naringenin or naringin in a commercial product varies from one product to another. The level of addition will depend on the purity of the ingredient, the type of product it is added to, the formulation matrix, serving size, and applicable regulations.

Powder formulations: Make a low-dose formulation of flavonoid with a suitable carrier to facilitate even dispersion of the formulation in the powder.

Capsules and tablets: Make sure the particle size and bulk density are kept within proper limits, which helps to maintain content uniformity during blending and filling.

Beverages: Assess dispersion, sedimentation, pH compatibility, and taste before determining the final dispersion level.

Naringenin is poorly water-soluble, which could be a limitation in using it; emulsification or encapsulation may help.

Functional food systems: Naringin can be used as an ingredient in functional foods, where its citrus flavour and bitterness will fit the functional food design.

It is thus advisable to adopt a novel dosage for formulation development and not simply follow that of another dosage form.

Naringenin and Naringin Stability Factors

Stability of naringenin and naringin is related to the raw material and product.

pH: Solubility and chemical stability could be affected by changes in pH.

Processing and/or storage at temperatures higher than normal could speed up degradation.

Light: During storage and processing, if appropriate, exposure to light should be kept to a minimum.

Phenolic flavonoids can be affected by oxidative conditions, which may affect their stability.

Moisture: Humidity can influence the flow of powder, the tendency to clump together, and the storage properties.

Packaging: Moisture barrier and light-proof packaging can be used to ensure the quality of ingredients.

Stability programs should be carried out for the assay, appearance, moisture, and appropriate physical/chemical parameters in the case of commercial naringenin powder or naringin powder under specified storage conditions. Additionally, recent research indicates that flavonoids that are poorly soluble in water can be stabilized by using carrier systems.

 

 

Naringenin and Naringin Applications

The two citrus flavonoids can be utilized in various strategies for the development of ingredients.

Naringenin applications include: Research and Development with Flavanone ingredients, Functional food formulations, Specialty nutraceutical ingredients, Cosmetic formulations, and advanced delivery systems.

Naringin applications are in the development of citrus-flavonoid ingredients, food formulation, functional food research, cosmetic applications, and systems of citrus ingredients.

Standardization of citrus extracts: Naringin and naringenin could make use of either as a specification or an analytical marker, depending on the botanical source and the method used for extraction.

Advanced delivery systems: The use of encapsulations, micelles, emulsions, and other technologies that utilize carrier systems to enhance the management of poorly water-soluble flavonoids is being explored.

The selection of the appropriate ingredient should, therefore, depend upon the intended compound, specification, formulation environment, and the properties of the finished product.

Naringenin vs Naringin: Key Selection Factors

One of the key factors for choosing between naringenin and naringin is their practical parameters:

Chemical form: Make sure it's the aglycone or glycoside form that is needed.

Solubility: Identify the ingredient and the phase it should be dispersed in, and how it will be delivered.

Taste: Take into account the bitter taste of naringin in beverages, gummies, powders, and other products that are sensitive in terms of taste.

Processing: See if it is safe to heat, dry, homogenize, emulsify, and encapsulate.

The assay, purity, moisture, particle size, residual solvents, heavy metals, and microbiological requirements are checked.

Regulatory requirements: Check the allowed usage & valid specifications in the target market prior to commercialization.

What is the difference between naringenin and naringin?

To sum up, naringenin and naringin are two similar but different citrus flavonoids. The aglycone is naringenin, while naringin is its glycosylated form. This difference in structure impacts its solubility, taste, processing behavior, stability, and formulation strategy. Naringenin powder and naringin powder should not be considered interchangeable; choosing between the two for commercial ingredient development should be based on the molecular form, formulation conditions, analytical specification, and intended use of the commercial ingredient.

 

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FAQ

Is naringenin the same as naringin?

No. Naringenin is the aglycone, whereas naringin is a glycosylated form of a flavanone that has a sugar group.

What is the difference between naringenin powder and naringin powder?

The difference between the two is related to the molecular structure. Naringin powder consists of naringin, and naringenin powder consists of the aglycone. This difference will influence the molecular weight, solubility, taste, and formulation behavior.

Is naringenin soluble in water?

Naringenin is not very soluble in water and could need dispersion, emulsification, encapsulation, or other formulation approach to facilitate its administration in water-based formulations.

Is naringin water soluble?

Naringin is also thought to be sparingly soluble in water. The solubility can be modified by pH, temperature, particle size, carrier materials, and formulation techniques.

 

How should naringenin powder be used in beverages?

Therefore, when formulating naringenin powder to use in beverages, it's important for manufacturers to first run tests to determine the dispersion, solubility, sedimentation, pH compatibility, and sensory qualities of the product before deciding on the final formulation level.

 

Can naringin be converted into naringenin?

Yes. The sugar part of naringin can be removed by enzymatic hydrolysis, and naringenin can be obtained. The processes of citrus-flavonoid conversion using naringinase have been studied.

References

1. Jiang, H., Zhang, M., Lin, X., et al. (2023). Biological activities and solubilization methodologies of naringin. Foods, 12(12), 2327.

2. Shilpa, V. S., Shams, R., Dash, K. K., et al. (2023). Phytochemical properties, extraction, and pharmacological benefits of naringin: A review. Molecules, 28(15), 5623.

3. Uçar, K., & Göktaş, Z. (2023). Biological activities of naringenin: A narrative review based on in vitro and in vivo studies. Nutrition Research, 119, 43–55.

4. Shimul, I. M., et al. (2023). Formulation and characterization of choline oleate-based micelles for co-delivery of luteolin, naringenin, and quercetin. Food Chemistry, 429, 136911.

5. Yang, Y., Trevethan, M., Wang, S., & Zhao, L. (2022). Beneficial effects of citrus flavanones naringin and naringenin and their food sources on lipid metabolism: An update on bioavailability, pharmacokinetics, and mechanisms. Journal of Nutritional Biochemistry, 104, 108967.