What are the representative microorganisms in a high-quality and poor-quality environment?

The representative microorganisms in high-quality and low-environment mainly include Gram-positive bacteria, yeast, Bacillus subtilis and Lactobacillus.

1, Gram-positive bacteria: such as Lactobacillus and Streptococcus lactis. These bacteria belong to beneficial bacteria, which can promote intestinal health and enhance human immunity.

2. Yeast: such as Saccharomyces cerevisiae, baker's yeast, etc. These bacteria can play a role in fermentation to produce food and drink.

3. Bacillus subtilis: This is a high-temperature resistant bacterium, which can survive in high-temperature and high-pressure environment and can be used for food sterilization and disinfection.

4. Lactic acid bacteria: This is a kind of beneficial bacteria, which can promote human intestinal health and prevent intestinal diseases such as diarrhea and constipation.