Comparing E234 - Nisin vs E240 - Formaldehyde

Synonyms
E234
Nisin
E240
Formaldehyde
methanal
Products

Found in 309 products

Found in 0 products

Search rank & volume
#2731.3K / mo🇺🇸U.S.
#3581.4K / mo🇺🇸U.S.
Awareness score

×0.60
under-aware

Awareness data is not available.

Search volume over time

Interest over time for 2 keywords in U.S. during the last 10 years.

Interest over time for 3 keywords in U.S. during the last 10 years.

Popular questions
  1. What is nisin preparation?

    A standardized commercial product of the antimicrobial peptide nisin blended with carriers (typically sodium chloride and sometimes dairy solids) to a defined potency for use as a food preservative.

  2. Is nisin bad for you?

    No—at approved food-use levels it’s considered safe by major regulators (e.g., EFSA, JECFA, FDA) and is digested like other peptides; typical dietary exposure is well below the acceptable daily intake. If you have a milk allergy, note some preparations include dairy-derived carriers.

  3. What is nisin in food?

    Nisin (E234) is a natural antimicrobial preservative from Lactococcus lactis used to inhibit Gram-positive bacteria like Listeria and extend shelf life in foods such as cheeses and some dairy or ready-to-eat products.

  4. What is nisin made from?

    It’s produced by fermenting Lactococcus lactis on substrates like milk or sugar, then purified and standardized with carriers such as salt; it’s not chemically synthesized for food use.

  5. Cheddar nisin which brands?

    Brand use varies by market: it’s more common in processed or sliced/shredded cheddar than in traditional block cheddar. Check labels for “nisin” or “E234,” or contact the manufacturer for specific product lines.

  1. What is formaldehyde used for?

    Primarily to make industrial resins, plastics, and disinfectants; as a food additive (E240) it was historically used as a preservative but is not permitted in the EU or US due to safety concerns.

  2. What does formaldehyde smell like?

    It has a strong, sharp, pungent (antiseptic) odor that is irritating and noticeable even at very low concentrations.

  3. Is formaldehyde toxic?

    Yes—it's acutely irritating/toxic and is classified as a known human carcinogen; it's not allowed as a food additive, though small amounts naturally present in foods are rapidly metabolized.

  4. What does formaldehyde do to the body?

    It reacts with tissues (proteins and DNA), causing eye, nose, and throat irritation and, at high doses, chemical burns if ingested; chronic inhalation increases certain cancer risks, though the body also produces and quickly metabolizes small amounts to formate and CO2.

  5. Does fireball have formaldehyde in it?

    No—Fireball does not contain added formaldehyde; a past European issue concerned propylene glycol, not formaldehyde.