Archive for purple grape juice
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Critique on: Evaluation of Phenolic Compounds in Commercial Fruit Juices and Fruit Drinks
What the Glasgow study on commercial juices doesn’t say is that purple grape juice contains more than 50 per cent more sugar than Coca Cola, which comes to 16.66 g of sugar (glucose and fructose) per 100 ml of drink. An excessive intake of fruit juices could be harmful altogether. Furthermore, juices are processed food, [...]
Evaluation of Phenolic Compounds in Commercial Fruit Juices and Fruit Drinks
The total phenolic content of 13 commercially available fruit juices and juice drinks, selected to represent the most popular juice flavors in the United Kingdom, were analyzed using the Folin-Ciocalteu assay. Individual phenolic compounds were identified and quantified using HPLC-PDA-MS2. The catechin content and degree of polymerization of proanthocyanidins were also analyzed. Purple grape juice [...]