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Determination of α-L-aspartyl-L-phenylalanine methylester hydrochloride in soft drinks

✍ Scribed by Veselý, Z. ;Davídková, E. ;Prudel, M.

Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
179 KB
Volume
24
Category
Article
ISSN
0027-769X

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✦ Synopsis

Abstract

Analytical evaluation of the artificial sweetener USAL (α‐L‐aspartyl‐L‐phenylalanine methylester hydrochloride) was carried out using a modified technique of amino acid analysis. The determination was performed using a functionally simplified semiautomatic amino acid analyser. The device was constructed using the accessories of the automatic amino acid analyser AAA 888 (Mikrotechna Praha).

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Stability of α-L-aspartyl-L-phenylalanin
Stability of α-L-aspartyl-L-phenylalanine methyl ester hydrochloride in aqueous solutions
✍ Prudel, M. ;Davíadková, E. 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 271 KB 👁 1 views

## Abstract The stability of USAL (α‐L‐aspartyl‐L‐phenylalanine methyl ester hydrochloride) was studied in solutions in relation to the pH value (1.10–6.95 at 20 °C), the temperature (20–80 °C at pH 2.2) and the ionic strength (0.16–2.0 at 20 °C and pH 4.0). The effects of pH and temperature of the