Date: 2005-09-23 21:16:32 UTC
Subject: RE: Food allergy
Searching "sources of tryptophan"
Tryptophan is an essential Amino Acid. It is a precursor for serotonin (wh=
ich aids sleep and anxiety),and helps in niacin (B vitamins) production. F=
oods that are considered sources of tryptophan are dairy products, beef, po=
ultry, barley, brown rice, fish, soybeans, and peanuts.
L-tryptophan is a natural sedative. It is normally found in turkey meat, an=
d many people believe it to be the cause of a sleepiness common after a Tha=
Tryptophan is a component of many plant and animal proteins, and a normal p=
art of the diet that humans must get from outside sources.
Food sources of tryptophan include red meat, dairy products, nuts, seeds, b=
ananas, soybeans and soy products, tuna, shellfish, and turkey.
and the chart there also includes roasted chicken breast, beef, turkey, lam=
b, halibut, salmon, snapper, and shrimp.
Tryptophan is what Thanksgiving turkey eaters attribute their comatose feel=
ing to. The fact is, many other proteins are much more concentrated sources=
of tryptophan. For example, turkey and beef both contain 1.1g tryptophan p=
er 100g of protein. That=92s the same concentration in soy protein isolate =
and acid casein. Greater sources are whole egg and wheat (1.3g/100g), egg w=
hite (1.5g/100g), human milk (1.9g/100g) and whey protein concentrate 80% (=
Now here is something that perhaps may be intriguing to delve into more to =
see how much foundation there is:
It is the insomnia portion of an Australian site of the "Hypoglycemia Healt=
h Association of Australia"
(I can't quickly find its list of foods high in tryptophan, but since it is=
probably similar I will stop now.)