Table 2. A: Bacteria species/ASVs exhibiting a significant change in relative abundance after exposure to sodium sulfite.

B: Bacteria species/ASVs exhibiting a significant change in relative abundance after exposure to sodium bisulfite.

Species/ASV#	Haemophilus parainfluenzae ASV5	Solobacterium moorei ASV35	Alloprevotella rava ASV126	Actinomyces naeslundii ASV141 ASV144	Leptotrichia wadei ASV30
Gram Stain	Negative	Positive	Negative	Positive	Negative
Cellular Respiration	Facultatively Anaerobic	Obligate Anaerobe	Obligate Anaerobic	Anaerobic or Microaerophilic	Anaerobe
Descriptive	This type of bacteria is known for its infectious abilities. [32]	Association with Halitosis [33]	Found in mouth in plaque	A is a common bacteria found in plaque. [1]	Normal oral flora
Relative Abundance	Increased	Decreased	Increased	ASV144 Increased ASV141 Decreased	Increased
Sulfate reducing Bacteria	No but possess pathways to protect from oxidative stress [32]	No [33]	No [34]	No [1]	Yes [35]