Red beet pigments as soft drink colorants
✍ Scribed by Havlíková, L. ;Míková, K. ;Kyzlink, V.
- Book ID
- 102214729
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 422 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0027-769X
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✦ Synopsis
Red beet pigments were used, in the form of industrially produced concentrate, as a soft drink colorant instead of food dyestuffs. On the basis of sensoric analysis, optimal composition of fruit type soft drink was suggested. Beet concentrate in the concentration used (2.5 g per 100 g of drink) did influence neither taste nor flavour of drink.
Decomposition of red pigments -betacyaninsfollows the first order kinetics. Factors influencing colour stability, such as pH value, temperature, tight, ascorbic acid concentration and flavour components, are discussed.
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Beet colorant was tested for mutagenic activity in five S. typhimurium strains. The absence of mutagenic activity was found with or without S-9 rat liver fractions. Groups of six rats were fed red beet colorant preparations containing 2,000 ppm betalains in the diet for 7 days. No significant diffe