Breath holding facts about plant phenolics .

plant phenolics

Phenolic compounds are found in every plant, and in some they are in sizeable amounts.

Diets that are primarily vegetarian have a higher intake of phenols.

Some plants phenolics are quite toxic and have caused grave effects in animals.

Those, such as safrole and coumarin, that are toxic at any level or carcinogenic have been banned from use as food additives. Some plant phenols have been found to be mutagenic, others appear to have desirable effects as drugs or as processing aids in that they are natural antioxidants and protect against light-induced cancer.

Some plant phenolics may exhibit both a beneficial and toxic effect depending on the amount ingested.

Phenolic nutrients such as menadione ( Vitamin k-3 ) or tyrosine cause adverse effects at levels greater than 30% of the diet .

In most instances, humans and animals tend to select food with low phenol contents on the basis of texture (lignin) and astringency (tannin), but they get high phenol when they select them for color (such as anthocyanin) and freshness.

For instance, a high tannin content of certain parts of some plants was thought to have evolved so that it would be less desirable as food for herbivores.

Some phenols protect against microbial or fungal attack.

In summary, phenols have been reported for their potential benefits as well as for their risks. Due to the wide variations in phenolic compounds in terms of structure and properties, they may also posses some useful properties at certain concentrations or for certain species. We still need much more research to discover the wonderful world phenolic compounds.

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