Search results
Results from the WOW.Com Content Network
From the sulfide they form the amino acids cysteine and methionine, sulfolipids, and other sulfur compounds. Animals obtain sulfur from cysteine and methionine in the protein that they consume. Sulfur is the third most abundant mineral element in the body. [21] The amino acids cysteine and methionine are used by the body to make glutathione.
As there is no protein or amino acid storage provision, amino acids must be present in the diet. Excess amino acids are discarded, typically in the urine. For all animals, some amino acids are essential (an animal cannot produce them internally) and some are non-essential (the animal can produce them from other nitrogen-containing compounds). A ...
Furthermore, the reduced sulfur is incorporated into cysteine, [2] an amino acid that is a precursor to many other sulfur-containing compounds. In animals, sulfur assimilation occurs primarily through the diet, as animals cannot produce sulfur-containing compounds directly.
It was found to be a sulfur-containing amino acid; accordingly it was given the name lanthionine [wool (Latin: Lana), sulfur (Greek: theîon)]. [1] Lanthionine was first synthesized by alkylation of cysteine with β-chloroalanine. [2] Lanthionines are found widely in nature. They have been isolated from human hair, lactalbumin, and feathers.
A low-sulfur diet is a diet with reduced sulfur content. Important dietary sources of sulfur and sulfur containing compounds may be classified as essential mineral (e.g. elemental sulfur), essential amino acid and semi-essential amino acid (e.g. cysteine). Sulfur is an essential dietary mineral primarily because amino acids contain it.
A good source of protein provides a dog with a balanced and complete profile of amino acids, and is essential for growth, muscle maintenance, and various cellular functions. [36]. In a plant-based dog food, the protein composition can be sourced from a variety of ingredients, such grains, rice, corn, wheat, and/or barley.
Specifically, the reactions are understood to be initiated by the protein ingredients in dog food, with sources such as beef, chicken, soy, and turkey being common causes of these allergic reactions. [83] [84] A number of "novel protein" dog foods are available that claim to alleviate such allergies in dogs. [85]
Many diets targeted for performance dogs contain 30% protein. However, dogs performing in different athletic activities can require varying amounts of protein and essential amino acids. For instance, studies have shown that sled dogs require a high protein, high fat diet, where 30 to 40% of energy comes from protein and 50% of energy comes from ...