Ultimate Guide: How to Make Mesophilic Cheese Cultures at Home
For cheese enthusiasts and DIY food lovers, learning how to make mesophilic cheese cultures at home can be a game-changer. This guide will walk you through the process, helping you understand the importance of mesophilic cultures in cheese making and how to create them yourself.Frequently Asked Questions about Making Mesophilic Cheese Cultures
Before we dive into the details, let’s address some common questions about mesophilic cheese cultures:- What are mesophilic cheese cultures?
- Why are they important in cheese making?
- Can I make mesophilic cultures at home?
- What types of cheese can I make with mesophilic cultures?
- How long do homemade mesophilic cultures last?

What are Mesophilic Cheese Cultures and Why are They Important?
Mesophilic cheese cultures are bacterial cultures that thrive at moderate temperatures, typically between 68°F to 102°F (20°C to 39°C). These cultures play a crucial role in cheese making by:- Converting lactose into lactic acid
- Developing flavor compounds
- Influencing the texture of the cheese
- Helping to preserve the cheese
How Does Mesophilic Starter Culture Contribute to Cheese Making?
Mesophilic starter cultures are essential in the cheese-making process. They contribute by:- Acidifying the milk: The culture produces lactic acid, lowering the pH of the milk.
- Coagulation: Helps in forming the curd by working alongside rennet.
- Flavor development: Produces compounds that contribute to the cheese’s unique taste.
- Texture formation: Influences the breakdown of milk proteins, affecting the cheese’s final texture.

Types of Mesophilic Starter Cultures for DIY Cheese Making
There are several types of mesophilic starter cultures available for home cheese makers:- Direct Set Cultures: Ready-to-use packets for immediate cheese making.
- Mother Cultures: Cultures that can be propagated for multiple uses.
- Buttermilk or Yogurt Cultures: Can be used as a starting point for some cheeses.
Choosing the Right Mesophilic Starter Culture for Your Cheese
Selecting the appropriate mesophilic starter culture depends on several factors:- The type of cheese you’re making (e.g., cheddar, gouda, feta)
- The desired flavor profile
- The texture you’re aiming for
- The aging process of the cheese

Key Factors to Consider when Selecting a Mesophilic Culture
When choosing a mesophilic culture for your homemade cheese, consider:- Strain composition: Different bacterial strains produce different flavors and textures.
- Acidity development: Some cultures produce acid faster than others.
- Flavor intensity: Certain cultures contribute to more robust flavors.
- Compatibility with milk type: Some cultures work better with cow’s milk, others with goat’s or sheep’s milk.
- Ease of use: Direct set cultures are easier for beginners, while mother cultures require more skill but are more economical in the long run.
How to Activate and Maintain Your Mesophilic Starter Culture?
Activating and maintaining your mesophilic starter culture is crucial for successful cheese making. Here’s a basic process:- Sterilize all equipment to prevent contamination.
- Warm milk to the appropriate temperature (usually around 86°F or 30°C for mesophilic cultures).
- Add the culture to the milk and stir gently.
- Allow the culture to activate for the specified time (usually 30 minutes to 1 hour).
- Proceed with your cheese recipe as directed.
- Reserve a portion of the cultured milk before adding rennet.
- Store this portion in a sterilized container in the refrigerator.
- Use this as your starter for the next batch within 5-7 days.
Different Mesophilic Cultures Available for Homemade Cheese
There are several mesophilic cultures available for home cheese makers:Culture Name | Typical Use | Flavor Profile |
---|---|---|
Flora Danica | Soft cheeses, buttermilk | Buttery, slightly tangy |
MM100 | Cheddar, Gouda | Traditional, balanced |
MA11 | Feta, Chevre | Tangy, aromatic |
Aroma B | Brie, Camembert | Buttery, complex |
DIY Cheese Making Techniques Using Mesophilic Starter Cultures
Here are some popular cheese making techniques using mesophilic starter cultures:- Direct acidification: Used for fresh cheeses like cream cheese or cottage cheese.
- Rennet coagulation: Used for most aged cheeses like cheddar or gouda.
- Lactic curd: Used for soft cheeses like chevre or feta.
- Washed curd: Used for milder cheeses like Colby or Monterey Jack.

Steps to Make Mesophilic Cheese at Home
Here’s a basic outline for making cheese using a mesophilic starter culture:- Warm milk to around 86°F (30°C).
- Add mesophilic culture and stir gently.
- Let milk ripen for 30-60 minutes.
- Add rennet if called for in your recipe.
- Allow milk to coagulate until it forms a clean break.
- Cut the curd and cook as per your recipe.
- Drain whey and form curds into desired shape.
- Press cheese if required.
- Age cheese according to the recipe.

Tips for Culturing Mesophilic Starter for Best Cheese Results
To get the best results from your mesophilic starter culture:- Always use sterilized equipment to prevent contamination.
- Maintain consistent temperature during culturing.
- Don’t overculture, as this can lead to overly acidic cheese.
- Use fresh, high-quality milk for best results.
- Store cultures properly to maintain their viability.
- Keep detailed records of your cheese making process for future reference.

Creating Various Cheese Types with Mesophilic Cultures
Mesophilic cultures are versatile and can be used to create a wide variety of cheeses, including:- Cheddar
- Gouda
- Cheddar
- Gouda
- Feta
- Cream cheese
- Cottage cheese
- Colby
- Monterey Jack
- Brie
- Camembert
- Blue cheese (in combination with Penicillium roqueforti)
Benefits of Using Mesophilic Starter Cultures in Cheese Production
Using mesophilic starter cultures in cheese production offers several advantages:- Consistency in flavor and texture
- Better control over the cheese-making process
- Enhanced food safety through controlled fermentation
- Ability to create a wide variety of cheese types
- Improved shelf life of the finished cheese
Enhanced Flavor Profiles with Mesophilic Cultures
Mesophilic cultures contribute significantly to the flavor profile of cheese. Here’s how:- Production of flavor compounds: As the bacteria break down lactose, they produce various flavor compounds.
- Proteolysis: The breakdown of proteins during aging contributes to complex flavors.
- Acid development: The lactic acid produced by the culture contributes to the tangy flavor in many cheeses.
- Texture influence: The culture’s activity affects the cheese’s texture, which in turn influences flavor perception.

Long-Term Storage and Aging of Cheese Made with Mesophilic Starters
Proper storage and aging are crucial for cheeses made with mesophilic starters:- Temperature control: Most cheeses age best at 50-55°F (10-13°C).
- Humidity: Maintain humidity levels between 80-95%, depending on the cheese type.
- Air circulation: Ensure proper air flow to prevent mold growth.
- Turning: Regularly turn the cheese to ensure even aging.
- Waxing or brining: Some cheeses benefit from waxing or brining for preservation.
Health Benefits Associated with Consuming Mesophilic Cheese
Cheeses made with mesophilic cultures can offer several health benefits:- Probiotic properties: Some mesophilic cultures have probiotic effects, supporting gut health.
- Nutrient-dense: Cheese is a good source of protein, calcium, and vitamins.
- Digestibility: The fermentation process can make cheese easier to digest than fresh milk for some people.
- Potential anti-inflammatory effects: Some studies suggest certain cheeses may have anti-inflammatory properties.

It’s important to note that while cheese can be part of a healthy diet, it should be consumed in moderation due to its high fat and calorie content. For more information on the health benefits of cheese, you can refer to this external resource: Is Cheese Good for You? – Healthline
In conclusion, mastering the use of mesophilic cultures in home cheese making opens up a world of possibilities for creating diverse and flavorful cheeses. From understanding the basics of these cultures to perfecting your cheese aging techniques, each step in the process contributes to the final product. Whether you’re a beginner just starting out or an experienced home cheese maker looking to refine your skills, experimenting with mesophilic cultures can lead to delicious and rewarding results. Remember, cheese making is both a science and an art. Don’t be afraid to experiment, keep detailed records of your processes, and most importantly, enjoy the journey of creating your own unique cheeses at home!
Cheese Making FAQ
What is the best culture for making cheese?
The best culture depends on the type of cheese you’re making:
- For soft cheeses like Camembert: Mesophilic cultures
- For hard cheeses like Parmesan: Thermophilic cultures
- For Mozzarella and other stretched curd cheeses: Thermophilic cultures
- For Cheddar and Gouda: Mesophilic cultures
- For Blue cheese: Penicillium roqueforti in addition to other cultures
What are the ingredients in cheese cultures?
Cheese cultures typically contain:
- Lactic acid bacteria (e.g., Lactococcus, Streptococcus, Lactobacillus)
- Growth medium (usually milk solids or other nutrients)
- Sometimes includes protective agents like maltodextrin
- For certain cheeses, additional microorganisms (e.g., Penicillium for blue cheese)
- In some cases, enzymes to enhance flavor development
How to make cheese without starter culture?
Making cheese without commercial starter culture is possible:
- Use acid coagulation (e.g., lemon juice or vinegar) for fresh cheeses like ricotta
- Utilize kefir or yogurt as a culture substitute for some soft cheeses
- Allow raw milk to culture naturally (risky and not recommended for beginners)
- Use buttermilk as a culture for some cheese varieties
- Create a wild ferment by leaving milk out to sour (advanced technique, not for food safety beginners)
What can I use instead of mesophilic culture?
Alternatives to mesophilic culture include:
- Buttermilk (contains mesophilic bacteria)
- Yogurt (for soft cheeses, though it’s thermophilic)
- Kefir (contains a mix of bacteria and yeasts)
- Sour cream (for certain soft cheeses)
- Citric acid or lemon juice (for fresh cheeses like ricotta)
- Commercial probiotics (check for appropriate strains)
Making your own cheese cultures for cheesemaking recipes
Making your own cheese cultures is an advanced technique:
- Start with a reliable source of bacteria (e.g., commercial culture or probiotic)
- Sterilize milk by heating to 180°F (82°C) for 30 minutes
- Cool milk to appropriate temperature (usually around 86°F/30°C for mesophilic)
- Inoculate with your starter bacteria
- Incubate at the proper temperature for 12-24 hours
- Cool and use immediately or freeze in small portions
How to make cheese starter culture
To make a basic cheese starter culture:
- Choose a source of lactic acid bacteria (e.g., commercial culture or probiotic yogurt)
- Heat 1 quart of milk to 180°F (82°C) for 30 minutes to sterilize
- Cool milk to 72°F (22°C) for mesophilic or 110°F (43°C) for thermophilic culture
- Add 1/4 cup of culture source to the cooled milk
- Incubate at appropriate temperature for 12-24 hours until thickened
- Cool and use within a week, or freeze in ice cube trays for later use
Mesophilic culture recipe
A simple mesophilic culture recipe:
- Sterilize 1 quart of whole milk by heating to 180°F (82°C) for 30 minutes
- Cool milk to 72°F (22°C)
- Add 1/4 cup of cultured buttermilk or 1 packet of mesophilic DVI culture
- Stir gently and cover
- Incubate at room temperature (68-72°F / 20-22°C) for 12-24 hours
- Once thickened, refrigerate and use within a week
4 different types of cheese starter cultures
The four main types of cheese starter cultures are:
- Mesophilic: Used for cheeses made at lower temperatures (68-102°F / 20-39°C)
- Thermophilic: Used for cheeses made at higher temperatures (102-122°F / 39-50°C)
- Direct Set (DVI): Ready-to-use cultures that don’t require preparation
- Bulk Starter: Cultures prepared in larger quantities for commercial use
How to make mozzarella cheese
Basic steps to make mozzarella cheese:
- Heat 1 gallon of milk to 55°F (13°C) and add 1.5 tsp citric acid
- Heat to 90°F (32°C) and add 1/4 tsp liquid rennet
- Let sit for 5 minutes until curds form
- Cut curds into 1-inch cubes and heat to 105°F (40°C)
- Drain whey and heat curds in microwave for 1 minute
- Knead and stretch the curds, reheating as necessary
- Form into balls and place in ice water to cool
Cultures for Health cheese recipes
Cultures for Health offers various cheese cultures for different recipes:
- Mesophilic culture for Cheddar, Gouda, Colby, etc.
- Thermophilic culture for Mozzarella, Parmesan, Swiss, etc.
- Fromage Blanc and Chèvre cultures for fresh cheeses
- Blue cheese culture for making blue-veined cheeses
- Kefir grains for making kefir cheese
Are cheese cultures good for you
Cheese cultures can have potential health benefits:
- Contain probiotics that may support gut health
- Can aid in digestion of lactose for some people
- May contribute to immune system support
- Help in the production of vitamin K2 in some cheeses
- Can increase the bioavailability of certain nutrients