What is Glycerol Ester Of Wood Rosin E445 in Food? Uses, Safe, Side Effects

What is Glycerol Ester Of Wood Rosin E445 in Food? Uses, Safe, Side Effects

Table of Contents

Glycerol ester of wood rosin, which is also known as E445, is a food additive composed of a mixture of different fatty acids used as an emulsifier and structuring agent in processed cheese, sauces and salad dressings, among others. Glycerol ester of wood rosin is not really a sugar (it only contains a small number of glucose units), but it has similar properties to sugar. It can be used as a non-nutritive sweetener to replace sugar or corn syrup in various foods such as baked goods, powdered drink mixes, dairy products, and other commercially processed foods.

What is glycerol ester of wood rosin?

 

Glycerol ester of wood rosin is a synthetic resin made from the combination of a natural plant-derived resin and glycerol. It is produced by the reaction of wood rosin or tall oil (resin) with glycerol. The reaction creates a resin that has a similar molecular structure to natural rosin but with better properties such as higher viscosity, reduced tackiness, and enhanced thermal stability.

Glycerol ester of wood rosin is used in adhesives to improve their properties and performance. It can be used as an adhesive itself or as a modifier that improves the performance of other adhesives.

Glycerol esters are also known as glyceryl esters, glycol esters, or polyglycol esters (PGEs).

How is glycerol ester of wood rosin made?

 

Glycerol ester of wood rosin is a natural, non-petroleum based additive used in many industries as a thickener and lubricant. The process for making this product is fairly simple, and it involves only three steps:

  1. Wood rosin: Wood Rosin is obtained from the sap of trees and shrubs by collecting the gum that exudes from incisions made in the trunk or branches. This gum contains resin acids, which are insoluble in water but soluble in alcohol. When the alcohol evaporates, it leaves behind an almost pure resin.
  2. Glycerol: Glycerol, also known as glycerine or glycerin, is a colorless, odorless syrupy liquid that can be extracted from fats and oils. It’s one of the major components of vegetable oil (along with stearic acid), which makes it easy to come by commercially.
  3. Acetylation: Acetylation involves adding an acetyl group to another compound (such as glycerol) through the use of an acetyl transferase enzyme. This process occurs naturally in our bodies when we digest certain foods like milk or soybeans;

What is wood rosin?

 

Wood rosin is a natural product that comes from trees. It’s a soft, sticky substance that’s tapped from the resin glands of certain types of pine trees. The two most common types are larch and fir, but you can also find wood rosin from spruce, cedar and hemlock trees.

In addition to being used as a raw material for making varnishes, wood rosin is also used in food products such as chewing gum or candy. It’s also commonly used in cosmetics, waxes and polishes.

Components

Rosin is composed of many different components including abietic acid, heptanoic acid, palmitic acid, stearic acid and oleic acid. The exact composition depends on the source of pine resin used to create it (i.e., different species of pine trees).

Natural source

Rosin can be extracted from any number of different species of pine trees including black spruce, eastern white cedar, eastern white pine and red spruce.

What is glycerol ester of rosin?

 

Glycerol ester of rosin is a natural by-product of the rosin manufacturing process. It is a liquid that is soluble in water. Glycerol ester of rosin has many uses in industries such as cosmetics and food processing.

Glycerol esters are used as emulsifiers, stabilizers, and softeners in foods such as ice cream, baked goods, frozen dairy desserts, and chewing gum. They also act as humectants (moisturizers) that help keep food moist during storage and transit.

Glycerol esters are used in cosmetics and personal care products as emollients (softening agents), solvents, thickeners and gelling agents, viscosity increasing agents, opacifiers (gloss enhancers), stabilizers (keep formulas from separating), humectants (moisturizers), film formers (make skin look more smooth), anti-foaming agents (smooth out lathers), moisturizing agents, emulsifiers/emulsion stabilizers (keep ingredients uniform), thickening agents (add body to thin lotions & creams), preservatives/antioxidants, solubilizing agents (make oil soluble into water based products).

Specification

 
Other Names
  • Glycerol ester of rosin
  • Glyceryl abietate
  • Gum ester
  • GEWR
CAS Number 8050-30-4
Chemical formula Variable
Molecular Weight Variable
Melting Point 62–87 °C

Structure

 

Glycerol Ester Of Wood Rosin structure

Properties

 

Appearance

 

This hard, yellow-to-pale amber-colored solid has a low odor and taste.

Acid number

 

3-9

Solubility

 

Water-insoluble, oil-soluble, and acetone-soluble.

What is glycerol ester of wood rosin used for?

 

Two main food uses

 

Food grade ester gum can be used as chewing gum base components and as an emulsifier, stabilizer, and density adjustment agent for beverages. In the ingredient section, its name may be shortened to rosin glycerol ester.

Brominated vegetable oil replacement

 

This ingredient helps prevent brominated vegetable oil (BVO) from being added to products like sports drinks and sodas, because BVO has been banned in Europe due to safety concerns. Glycerol ester of wood rosin is an alternative that gives drinks the same consistency without any health risks associated with BVO consumption.

Is glycerol ester of wood rosin safe to consume?

 

It has been approved for use as a food additive by the U.S. Food and Drug Administration (FDA), European Food Safety Authority (EFSA), Joint FAO/WHO Expert Committee on Food Additives (JECFA), as well as other regulatory bodies.

FDA

 

Glycerol ester of wood rosin is safe for consumption, according to the Food and Drug Administration (FDA). Glycerol ester of wood rosin has been approved as a food additive under 21 CFR 172.839 and is listed on the FDA website as GRAS (generally recognized as safe).

The European Food Safety Authority (EFSA) also reviewed glycerol esters of wood rosins and concluded that they are safe for human consumption at levels up to 1g/kg body weight per day.

EFSA

 

According to Commission Regulation (EU) No 231/2012, ester gum (E445) is an authorised food additive, and it is in the category of “additives other than colourings and sweeteners”.

Safety revaluation in 2018

 

In 2018, EFSA reevaluated the safety of ester gum derived from approved sources Pinus palustris and Pinus elliottii, as well as unauthorized sources Pinus Halepensis and Pinus brutia. Conclusions are as follows:

ADI

Pinus palustris (longleaf pine) and Pinus elliottii (slash pine) have a current acceptable daily intake (ADI) of 12.5 mg/kg body weight per day due to the overall toxicity database and lack of reproductive and developmental toxicity data.

Safety assessment

Due to the unknown fractions of glycerol monoesters, free resin acids, and neutrals, the ester gums from Pinus Halepensis and Pinus brutia could not be tested for safety. These fractions are generally tested for toxicology.

Authorised uses and levels

 

With maximum levels ranging from 50 to 320 mg/kg, it can be found in the following foods:

  • Entire fresh fruit and vegetables
  • Confectionery including breath freshening microsweets
  • Flavoured cloudy drinks
  • Cloudy spirit drinks

UK Food Standards Agency

 

In the category “Others”

Food Standards Australia New Zealand

 

This code number is 445 in Australia and New Zealand.

JECFA

 

Functional class: Food additives: adjuvant, bulking agent, chewing gum base compound, emulsifier, emulsifying salt and stabilizer.

Acceptable daily intake: An ADI of 12.50 mg/kg was reset in 2013.

What is the side effects of glycerol esters of wood rosin?

 

Glycerol esters of wood rosin are used as a food additive and flavorant in foods. They are also used as a fragrance or cosmetic ingredient in personal care products.

The Food and Drug Administration (FDA) has approved the use of glycerol esters of wood rosin as a food additive, with up to 5 percent concentration. The European Union (EU) has also approved it for use as a food additive, with up to 5 percent concentration.

Glycerol Ester Of Wood Rosin side effects

Glycerol esters of wood rosin are not known to cause serious side effects when consumed in normal amounts. However, some people may be allergic to them or experience other adverse reactions if they consume them in large amounts or if they have certain conditions such as diabetes mellitus or high blood pressure that make them more susceptible to these side effects.

Allergy

 

Although wood rosin can be irritating to the skin, there have been no allergic reactions reported to foods containing wood rosin.

Is glycerol ester of wood rosin bad for you?

 

Glycerol ester of wood rosin is a food additive that is used in a variety of products, including candy, baked goods and chewing gum. It’s also a common ingredient in toothpaste, where it serves as a thickener and emulsifier.

Glycerol ester of wood rosin is considered safe by the U.S. Food and Drug Administration (FDA). However, it may be harmful to people with allergies to ingredients such as coconut oil or palm kernel oil.

The FDA regulates glycerol ester of wood rosin under the Code of Federal Regulations Title 21 (21CFR) as a food additive that’s “generally recognized as safe” (GRAS). This means that it has been reviewed by experts in their field for safety before being allowed into foods.

There are no known side effects associated with consuming glycerol ester of wood rosin in small amounts on an occasional basis. It’s even considered safe for children over the age of 2 years old who have no allergies to coconut or palm kernel oils.

What does glycerol ester of rosin do to your body?

 

Glycerol esters of rosin, or rosin esters, are a group of chemicals used in food and cosmetic products. They’re also used in making adhesives and paints.

These chemicals are found in many foods, including baked goods and chewing gum. They’re also used as an ingredient in some skin care products, such as lip balms and lotions.

The Food and Drug Administration (FDA) has approved the use of glycerol esters as food additives, with limitations on the amount that can be added to each product (up to 0.5 grams per serving). These additives are generally recognized as safe (GRAS) by the FDA meaning they don’t pose any health risks when consumed in small amounts.

What is glycerol ester of wood rosin allergy?

 

Glycerol ester of wood rosin allergy is a type of allergy to glycerol ester of wood rosin. Glycerol ester of wood rosin is a substance that is used in many products, including some cosmetics and food additives. The allergic reaction that occurs when an individual has glycerol ester of wood rosin allergy is caused by the immune system’s response to the protein component (glyco-protein) of the glycerol ester of wood rosin.

Glycerol Ester Of Wood Rosin Allergy

The symptoms associated with this type of allergy include redness, swelling, itching and hives (urticaria). In some cases, these symptoms can be severe enough to cause anaphylaxis, which can be life-threatening.

Glycerol esters are used as emulsifiers and lubricants in foods such as ice cream, candy and baked goods. They also may be used as excipients in some medications or cosmetics. Glycerol esters are often derived from vegetable oil or animal fat rather than from trees; however, some do come from tree sap.

People who have glycerol ester of wood rosin allergy may also be allergic to other substances such as soybean oil or peanut oil since these oils may be used as a special material.

What is glycerol ester of wood rosin in food?

 

Glycerol ester of wood rosin is a natural food additive used as an emulsifier, gelling agent and stabilizer. It is derived from the sap of pine trees.

Glycerol Ester Of Wood Rosin in Food

Food manufacturers use glycerol ester of wood rosin to thicken foods such as ice cream, baked goods and salad dressings. It also helps maintain moisture content in foods like cakes and breads. The additive also acts as a preservative by preventing the growth of bacteria in foods that are stored at room temperature for long periods of time.

Glycerol ester of wood rosin is commonly used in baked goods such as breads, cakes, cookies and pies. It may also be used to help prevent separation in sauces during cooking or freezing processes.

What is Glycerol of Wood Rosin?

Glycerol of Wood Rosin

Glycerol of Wood Rosin is a natural organic rosin that is derived from the gum of the pine tree. It has been used for thousands of years as a natural food additive and preservative.

In addition to its use as a food additive, it has also found application in modern day industries due to its ability to create heat and pressure when combined with other materials such as wood chips or sawdust. This combination creates a sticky substance that can be molded into various shapes and forms.

Glycerol of Wood Rosin is primarily used in the manufacturing of chewing gum because it acts as an emulsifier that allows different ingredients in gum like flavorings and sweeteners to mix with each other easily without separating into layers during storage or while chewing the gum.

Frequently asked questions


Is glycerol ester of wood rosin natural?


It is made through chemical synthesis. In its raw form, wood rosin is a natural resin derived from P. palustris and P. elliottii. In the production of ester gum, glycerol is derived from plants, although it can also be obtained from animals.

Is glycerol ester of wood rosin vegan?

 

Yes. Glycerol ester of wood rosin is a vegan product.

Glycerol ester of wood rosin is considered a natural wax, unlike the other common ingredient in cosmetics and personal care products, mineral oil.

Glycerol ester of wood rosin is made from the distillation of plant oils and resins, which has been used in cosmetics since the late 1800s and early 1900s. It does not contain any animal products or byproducts.

Is glycerol ester of wood rosin Halal?

 

Glycerol ester of wood rosin is Halal. It is a natural product obtained from plant sources. The glycerol ester of wood rosin can be used as an emulsifier, thickener, and stabilizer in food products.

Is glycerol ester of wood rosin Kosher?

 

Glycerol ester of wood rosin is Kosher.

In general, glycerol esters of fatty acids are Kosher. However, most kosher glycerol esters are made from animal fats. The glycerol ester of wood rosin is not made from animal fats; instead it is made from vegetable oils. This glycerol ester should be acceptable for consumption by observant Jews.

Glycerol esters are used as emulsifiers and stabilizers in foods and cosmetics. Glycerol esters are also used as laxatives and appetite suppressants because they can induce bowel movements by drawing water into the intestines.

Is glycerol ester of wood rosin gluten free?

 

Yes, glycerol ester of wood rosin contains no gluten ingredients nor do they come into contact with any gluten containing materials during their manufacture, packaging or distribution process. Therefore they are considered gluten free.

Final thought:

 

Glycerol esters of wood rosin or glycerol esters of wood rosin are produced by the reaction of glycerine with the pentose obtained by the partial hydrolysis of wood rosin. They are used as emulsifying and dispersing agents in some food products, animal feed, and cosmetic products. 

They help reduce bitter aftertaste, prevent crystallization, stabilize color, flavor and odor of food products, help moisture retention, maintain consistency and regulate viscosity. Glycerol esters E445 are safe for consumption when added to foods at levels not higher than the recommended dose.

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Sophie Feng

Sophie Feng

Sophia Feng, Marketing Manager of Grade Chemical, specializes in writing food chemical article, custom chemical article, industry chemical blog.

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