Hydroxypropyl Methylcellulose | Baking Ingredients

Chemical Structure

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Origin

Hydroxypropyl Methylcellulose is obtained from various natural sources, mainly wood pulp and cotton linters. 1

Since 1985, HPMC has been used as a gluten replacement for the manufacture of baked goods.3

Function

HPMC can serve several functions in baked goods such as:1, 2

• Stabilizer of emulsions and foams: critical for dough development during baking. 

• Thickener: increases viscosity by thickening the aqueous phase. 

• Fat-replacer: acts as a lubricant to help maintain creamy mouthfeel. 

• Gluten-substitute: most effectively when combined with carboxymethylcellulose (CMC) in baked goods. 

• Bulking agent

• Coating agent: film and barrier formation for coating. 

• Binder

• Water retention: extends shelf-life.  

• Controls water balance during freezing and thawing. 

Nutrition

HPMC is considered a non-fermentable soluble dietary fiber, thus providing several health benefits including reduction of total and low density lipoprotein cholesterol, reducing risk factors of type 2 diabetes and aiding intestinal movements.3

Using HPMC in gluten-free baked goods helps with diet management for patients with celiac disease.3

Commercial production 

HPMC is manufactured following this process:1, 2

• Alkalinization: wood pulp cellulose is treated with a 50 wt% sodium hydroxide solution in a reactor. 

• Etherification: addition of  methyl chloride followed by propylene oxide to introduce methoxy and propylene glycol groups, respectively. 

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• Neutralization: using hydrogen chloride solution. 

• Purification: HPMC is washed several times with hot water, and  filtered. 

• Drying and sizing: the purified product is dried, ground to desirable particle size followed by packaging.

Application

HPMC can be used in the manufacture of several baked products, fillings, foams and coatings. It is a great alternative for gluten substitution in gluten-free baked products in combination with CMC. 

Some considerations when adding HPMC to food products include:1, 3

• Solubilizing HPMC/CMC before addition for full performance. 

• Consider the water activity of the systems, 5-10% of water may be needed in some formulations. 

• HPMC should be added after proteins are activated. 

• HPMC accommodates high sugar levels, up to 50%. 

Methods of incorporating of HPMC/CMC mixtures in food products:3

• HPMC/CMC should be dispersed in one third of the required water. 

• Add the rest of HPMC/CMC with the dry ingredients to avoid lump formation. 

• Disperse the blend in the required oil and then add to the bakery mix. 

Baked Goods Usage Level Effect Wheat Bread (reduced carbohydrate content) 1.0 %

• Improves texture
• Enhances high loaf volume.

Fruit Cake 0.3 %

• Improves texture
• Enhances high loaf volume.

Tortillas 0.075 % Pancakes (fat reduced) 0.25 % Waffles (fat reduced) 0.3 % Pastry dough 1.0 %

• Provides a desired layering structure
• Light and flaky texture.

Muffins (fat reduced) 0.4 %

• Enhanced textural properties
• High loaf volume.

Gluten-free Bread 1.0 – 1.4 %

• Enhanced textural properties
• High loaf volume.

Gluten-free Cake 1.0 %

Regulations

HPMC is permitted for its direct addition to food products by the FDA.4

In the EU, HPMC (E 464) is considered safe when used for its intended purpose.5  Accepted HPMC types must have between 19 -30 % methyl and 3 -12% hydroxyprop(ox)yl groups content. 

References

1. Wüstenberg, Tanja. Cellulose and cellulose derivatives in the food industry: fundamentals and applications. John Wiley & Sons, 2014.
2. Intratec. Hydroxypropyl Methyl Cellulose Production. Intratec, San Antonio, 2019. Accessed 8 Oct 2020
3. Caballero, Benjamin, Paul Finglas, and Fidel Toldrá. Encyclopedia of food and health. Academic Press, 2016.
4. Food and Drug Administration (FDA). US Department of Health and Human Services. CFR Code of Federal Regulations Title 21, Part 172 Food Additives Permitted For Direct Addition To Food For Human Consumption, https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=172.874  . Accessed 08 October 2020.
5. European Commission (EC). Commission Regulation NO231/2012 laying down specifications for food additives listed in Annexes II and III to Regulation (EC) No 1333/2008 of the European Parliament and of the Council . Official Journal of European Communities, 09 March 2012.

Product Grades

Information provided in the SDS applies to the United States. For any other country, go to IFF's SDS search or Contact Us.

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