Types of preservatives
gut microbiome
scholarly source
historical preservation methods
other
100

A preservative that is used in cheese, wine, baked goods, and more.

What is sorbic acid?

100

This ecosystem of trillions of microbes lives primarily in the human digestive tract.

What is the gut microbiome

100

An instrument that shines light through a bacterial culture and measures how much light passes through the liquid.

What is spectrophotometer

100

One common way of making Jerky

What is salt curing / smoke curing

100

These two grops of microbes are most commonly responsible for food spoilage

What are bacteria and fungi (yeasts/molds).

200

This organic acid produced by bacteria helps preserve foods like yogurt and kefir

What is lactic acid?

200

Gut microbes help with digesting, immune regulation, and this process of breaking down nutrients for energy

What is metabolism

200
Intake value that regulates preservatives

What is ADI

200

Common Way to preserve fish

What is drying

200

Many preservatives work by distrupting this structure in microbial cells.

What is the cell membrane
300

This group of microbes commonly causes food spoilage and includes molds and yeasts

What are fungi
300

According to microbiologist Rob Knight, humans should be viewed not as single organisms but as these complex biological systems

what are ecosystems?

300

A high amount means lower bacteria and lower amount means higher bacteria

What is od

300

A natural preservative good for Millenia

What is honey

300

Inhibit bacterial growth and reproduction without completely killing the bacteria.

What is bacteriostatic

400

This preservative is used in jams, salad dressings, pickles, carbonated drinks, soy sauce and more

What is benzoic acid?
400

beneficial microbes that are bacteria that balance the microbiome. 

What is a probiotic

400

Regulates the amount of preservatives that is put into food. 

What is the FDA

400

A fermentation method

What is pickling

400

This natural preservation method uses microbes to produce acids that inhibit other microbes

What is fermentation

500

Preservatives protect food by preventing microbial growth and slowing this chemical process that causes fat to become rancid

What is oxidation

500

Preservatives help reduce global issue by extending shelf life of foods

What is food waste?

500
This bacteria helps break down plant fibers

What is Lactobaccillus plantarum?

500

Preservation method for jams and jellies

What is sugaring

500

Preservatives help maintain these three food qualities that make products appealing to consumers.

What are color, texture, and flavor?

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