
Blue cheese is a type of cheese known for its distinct flavour and aroma. It is made by adding a specific type of mould to milk, which gives it its characteristic blue veins. But does blue cheese contain MSG (monosodium glutamate)>, a controversial flavour enhancer? The answer is yes and no. While blue cheese does not contain added, synthetic MSG, it does contain naturally occurring glutamates. Glutamates are amino acids found in many foods, including blue cheese. When these glutamates are broken down during the aging process of the cheese, they can create a savoury, umami flavour.
| Characteristics | Values |
|---|---|
| Does blue cheese contain MSG? | Yes and no. Blue cheese does not contain added MSG, but it does contain naturally occurring glutamates. |
| What are glutamates? | Glutamates are amino acids found in many foods, including blue cheese. |
| What happens to glutamates during the aging process of blue cheese? | When the glutamates in blue cheese are broken down during the aging process, they can create a savory, umami flavor. |
| Is MSG harmful? | Despite the controversy surrounding MSG, there is no conclusive evidence that it is harmful when consumed in moderation. |
| Is MSG a flavor enhancer? | Yes, MSG is a flavor enhancer commonly used in food production. It stimulates taste receptors and enhances the savory, meaty, or umami flavor of foods. |
| Which foods contain MSG? | MSG is found in many processed and packaged foods, including canned soups, frozen meals, condiments, chips, fast food, and restaurant foods. It is also naturally occurring in some fruits, vegetables, and protein-rich foods like meat, eggs, and cheese. |
| How to avoid MSG? | If you want to avoid MSG, carefully read food labels and choose products that do not contain added MSG. Some alternatives to blue cheese with lower glutamate content include feta cheese. |
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What You'll Learn
- Blue cheese contains naturally-occurring glutamates, which can create an umami flavour
- Monosodium glutamate (MSG) is a flavour enhancer commonly used in food production
- MSG is added to many processed products, from fast food to canned soups
- Foods that naturally contain MSG, such as blue cheese, are not required to list it as an ingredient
- While MSG is deemed safe for consumption, some people choose to avoid it due to adverse health effects

Blue cheese contains naturally-occurring glutamates, which can create an umami flavour
Blue cheese is made by adding a specific type of mould to milk, which gives it its characteristic blue veins. This mould, Penicillium roqueforti, feeds on both the proteins and fats in the cheese, contributing to the breakdown of fat called lipolysis. During this process, fatty acids are formed, which are then transformed into compounds called methyl ketones, which smell similar to blue cheese and contribute to its unique flavour.
Blue cheese does not contain added monosodium glutamate (MSG), but it does contain naturally occurring glutamates. Glutamates are amino acids found in many foods, including blue cheese. When these glutamates are broken down during the aging process of the cheese, they can create a savoury, umami flavour. The more free glutamate there is, the more umami flavour the cheese will have.
Some blue cheese varieties, such as Roquefort and Gorgonzola, have higher levels of glutamates than others. However, the amount of glutamates in blue cheese is generally considered safe for consumption. While some people experience negative reactions to MSG, this is typically associated with large doses of more than 3 grams.
MSG is a flavour enhancer commonly used in food production and is derived from L-glutamic acid, a naturally occurring amino acid necessary for the creation of proteins. It was first identified as a flavour enhancer by Japanese researchers in 1908 and has since become one of the most widely used additives in food production. It can be found in a variety of processed products, from fast food to canned soups, and is added to intensify the savoury, meaty flavour of dishes.
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Monosodium glutamate (MSG) is a flavour enhancer commonly used in food production
MSG is commonly added to processed products, from fast food to canned soups, to intensify the savoury flavour that consumers crave. It is also added to meat products to reduce the sodium content without changing the flavour. Some of the foods that commonly contain MSG include instant noodles, frozen pizzas, mac and cheese, frozen breakfast meals, canned soups, dried soup mixes, bouillon seasonings, processed meats, condiments, and potato chips.
MSG is also found naturally in many foods, including meat, fish, eggs, cheese, fruits, and vegetables. Blue cheese, for example, contains naturally occurring glutamates, which create a savoury, umami flavour during the aging process of the cheese. However, blue cheese does not contain added MSG. Other foods that naturally contain MSG include tomatoes, Parmesan cheese, mushrooms, and some fruits, vegetables, and nuts.
While MSG is considered safe for consumption by organisations like the FDA and Harvard University, there are some concerns about its potential side effects, particularly when consumed in large amounts or on a long-term basis. Some people may also be sensitive or allergic to foods containing MSG. As such, it is important to read food labels carefully and choose products that do not contain added MSG if one wishes to avoid it.
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MSG is added to many processed products, from fast food to canned soups
Monosodium Glutamate (MSG) is a common food additive used to enhance the flavour of savoury food products. It is derived from a naturally occurring amino acid, glutamic acid, which is found in plant-based items such as tomatoes and seaweed, as well as animal products like meat and cheese. Glutamic acid is the major molecule responsible for the perception of umami, one of the five basic tastes experienced by humans.
MSG is added to a variety of processed products, including fast food, canned soups, frozen dinners, instant noodles, and many other processed foods. It is also found in chips, crackers, canned foods, seasonings, dry sauce and soup bases, cheeses, and fermented products. MSG is used in these products to boost their flavour by stimulating taste receptors, resulting in an umami taste that is savoury and meaty.
MSG is also added to some meat, poultry, and fish rubs and seasonings to enhance the palatability of foods. It is often used in the production of low-sodium items to increase flavour without the addition of salt. For example, it can be used in meat products like sausages to reduce the sodium content without changing the flavour.
While the use of MSG in food has been controversial, there is no conclusive evidence to suggest that it is harmful to consume in moderation. The U.S. Food and Drug Administration (FDA) has given MSG its Generally Recognized as Safe (GRAS) designation, and it is not required to be labelled as an ingredient in foods that naturally contain MSG, such as tomato products, protein isolates, and cheeses. However, when MSG is added to food as an ingredient, it must be labelled as monosodium glutamate.
It is important to note that some individuals may have negative reactions to MSG, and it is recommended that they avoid products that contain it.
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Foods that naturally contain MSG, such as blue cheese, are not required to list it as an ingredient
Monosodium glutamate (MSG) is a flavour enhancer commonly used in food production. It is added to food as an ingredient to boost its savoury, meaty flavour. MSG is derived from L-glutamic acid, a naturally occurring amino acid that is necessary for the creation of proteins.
MSG was first identified as a flavour enhancer by Japanese researchers in 1908 and has since become one of the most widely used additives in food production. It is commonly found in processed products, from fast food to canned soups.
While MSG is often associated with Southeast Asian cooking, it is used in various types of cooking worldwide. It is frequently added to canned vegetables, soups, deli meats, condiments, and restaurant foods to enhance their flavour. It is also found in many processed and packaged foods, such as hot dogs, lunch meats, and frozen meals.
Despite the controversy surrounding MSG, there is no conclusive evidence that it is harmful when consumed in moderation. However, it is important to note that foods containing MSG are often highly processed convenience foods that contain high amounts of sodium, fat, and other refined ingredients that may be unhealthy.
Some foods naturally contain MSG, including meat, fish, eggs, cheese, fruits, and vegetables. Blue cheese, for example, contains naturally occurring glutamates that create a savoury, umami flavour. However, when MSG is added to foods as an ingredient, it must be labelled as monosodium glutamate, but foods that naturally contain MSG, such as blue cheese, are not required to list it as an ingredient. This is because the glutamates in blue cheese are created through the aging process, not added as an ingredient.
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While MSG is deemed safe for consumption, some people choose to avoid it due to adverse health effects
Monosodium glutamate (MSG) is a flavour enhancer commonly used in food production. It is derived from L-glutamic acid, a naturally occurring amino acid necessary for protein creation. MSG was first identified as a flavour enhancer by Japanese researchers in 1908 and has since become one of the most widely used additives in food production. It is often associated with Southeast Asian cooking, particularly Chinese food, but is used in various types of cooking worldwide.
MSG is deemed safe for consumption by organisations like the FDA and Harvard University, who have found no conclusive evidence of it being harmful when consumed in moderation. However, some people choose to avoid it due to adverse health effects. MSG is commonly found in highly processed convenience foods that contain high amounts of sodium, fat, and other refined ingredients that may be unhealthy in large quantities.
While blue cheese does not contain added MSG, it does contain naturally occurring glutamates. Glutamates are amino acids found in many foods, including blue cheese. During the aging process of the cheese, these glutamates can break down and create a savoury, umami flavour similar to the taste of MSG. Some blue cheese varieties, such as Roquefort and Gorgonzola, have higher levels of glutamates than others.
If you are concerned about MSG consumption or experience negative reactions to it, it is advisable to read food labels carefully and choose products without added MSG. Feta cheese, for example, is a suitable substitute for blue cheese, as it has a similar flavour profile but lower glutamate content.
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Frequently asked questions
Yes and no. While blue cheese does not contain added, artificial MSG, it does contain naturally occurring glutamates. Glutamates are amino acids found in many foods, including blue cheese.
Glutamates are amino acids that are either attached to other amino acids in the form of a protein (bound) or by themselves (free). The more free glutamates there are, the more umami flavor the food will have.
Umami is a savory, meaty flavor that is characterized by being brothy.
Added MSG is commonly found in canned soups, frozen pizzas, instant noodles, condiments, chips, and fast food.

























