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Phenylalanine ball and stick model spinning. Phenylalanine (symbol Phe or F) [3] is an essential α-amino acid with the formula C 9 H 11 NO 2.It can be viewed as a benzyl group substituted for the methyl group of alanine, or a phenyl group in place of a terminal hydrogen of alanine.
Aspartame is about 180 to 200 times sweeter than sucrose (table sugar). Due to this property, even though aspartame produces roughly the same energy per gram when metabolized as sucrose does, 4 kcal (17 kJ), the quantity of aspartame needed to produce the same sweetness is so small that its caloric contribution is negligible. [10]
The low concentration eye drops do not cause blood pressure changes and the changes with the higher dose drops do not last long. [48] The cardiovascular effects of phenylephrine may be potentiated in people with hypertension. [11] Hypertensive crisis with phenylephrine eye drops has been reported in people with hypertension. [11]
Drinking 1 liter of diet soda with 600 milligrams of aspartame will be converted into 60 milligrams of formaldehyde, according to a 2021 narrative review of literature on aspartame.
In humans, catecholamines and phenethylaminergic trace amines are derived from the amino acid L-phenylalanine. By oral route , phenethylamine's half-life is 5–10 minutes; [ 10 ] endogenously produced PEA in catecholamine neurons has a half-life of roughly 30 seconds. [ 3 ]
Berocca's effervescent tablets contain small quantities of aspartame (phenylalanine). [3] ... This page was last edited on 26 January 2025, at 06:18 (UTC).
Since 2005, American consumption of diet soda has fallen by more than 27% - a loss of 834 million cases.
Standard phenylalanine concentrations in unaffected persons are about 2-6mg/dl (120–360 μmol/L) phenylalanine concentrations in those with untreated hyperphenylalaninemia can be up to 20 mg/dL (1200 μmol/L). Measurable IQ deficits are often detected as phenylalanine levels approach 10 mg/dL (600 mol/L).