Food preservatives

Food preservatives

Table
Food preservatives
chemical agent mechanism of action
Antioxidants
ascorbic acid oxygen scavenger
butylated hydroxyanisole (BHA) free radical scavenger
butylated hydroxytoluene (BHT) free radical scavenger
citric acid enzyme inhibitor/metal chelator
sulfites enzyme inhibitor/oxygen scavenger
tertiary butylhydroquinone (TBHQ) free radical scavenger
tocopherols free radical scavenger
Antimicrobials
acetic acid disrupts cell membrane function (bacteria, yeasts, some molds)
benzoic acid disrupts cell membrane function/inhibits enzymes (molds, yeasts, some bacteria)
natamycin binds sterol groups in fungal cell membrane (molds, yeasts)
nisin disrupts cell membrane function (gram-positive bacteria, lactic acid-producing bacteria)
nitrates, nitrites inhibits enzymes/disrupts cell membrane function (bacteria, primarily Clostridium botulinum)
propionic acid disrupts cell membrane function (molds, some bacteria)
sorbic acid disrupts cell membrane function/inhibits enzymes/inhibits bacterial spore germination (yeasts, molds, some bacteria)
sulfites and sulfur dioxide inhibits enzymes/forms addition compounds (bacteria, yeasts, molds)
See as table:

* * *


Universalium. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Food additive — Food additives are substances added to food to preserve flavor or enhance its taste and appearance. Some additives have been used for centuries; for example, preserving food by pickling (with vinegar), salting, as with bacon, preserving sweets or …   Wikipedia

  • food preservation — Any method by which food is protected against spoilage by oxidation, bacteria, molds, and microorganisms. Traditional methods include dehydration, smoking, salting, controlled fermentation (including pickling), and candying; certain spices have… …   Universalium

  • food additive — additive (def. 4). * * * ▪ food processing Introduction       any of various chemical substances added to foods to produce specific desirable effects. Additives such as salt, spices, and sulfites have been used since ancient times to preserve… …   Universalium

  • Food — For other uses, see Food (disambiguation). Part of a series on …   Wikipedia

  • Food processing — is the set of methods and techniques used to transform raw ingredients into food or to transform food into other forms for consumption by humans or animals either in the home or by the food processing industry. Food processing typically takes… …   Wikipedia

  • Food coloring — spreading on a thin water film in the International Space Station. Food coloring is a substance, liquid or powder, that is added to food and/or drink to change its color. Food coloring is used both in commercial food production and in domestic… …   Wikipedia

  • Food intolerance — or food sensitivity is a negative reaction to a food that may or may not be related to the immune system or to food poisoning. It can be caused by the absence of specific chemicals or enzymes needed to digest a food substance, or to the body s… …   Wikipedia

  • Food preservation — Canadian World War I poster encouraging people to preserve food for the winter …   Wikipedia

  • Food irradiation — The Radura logo, used to show a food has been treated with ionizing radiation. Food irradiation is the process of exposing food to ionizing radiation[1] to destroy microorganisms, bacteria, viruses, or ins …   Wikipedia

  • Food labeling regulations — This article is based around UK Law and some European Union regulations and, therefore, is region sensitive. The law in the UK on food labeling is multifaceted and is spread over many reforms and parliamentary acts, making the subject complex. In …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”