1958 - Technology & EngineeringTotal nitrogen seems to be higher in raw Criollo hybrid cacao than in Forastero ... acid, alanine, cysteine, leucine, serine, threonine, methionine, and arginine.
jn.nutrition.org/content/136/6/1636S.fullMethionine, cysteine, homocysteine, and taurine are the 4 common sulfur-containing amino acids, but only the first 2 are incorporated into proteins. Sulfur belongs to the same group in the periodic table as oxygen but is much less electronegative.
www.biology.arizona.edu/biochemistry/problem_sets/aa/sulfur.htmlThe sulfur-containing amino acids (cysteine and methionine) are generally considered to be nonpolar and hydrophobic. In fact, methionine is one of the most hydrophobic amino acids and is almost always found on the interior of proteins. ... First, sulfur has a low propensity to hydrogen bond, unlike oxygen.