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ilex guayusa/antioxidante
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5 resultados
Guayusa (Ilex guayusa L.) new tea: phenolic and carotenoid composition and antioxidant capacity.
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BACKGROUND
Guayusa (Ilex guayusa Loes) is an evergreen tree native of South America that grows particularly in the upper Amazon region of Ecuador. For its health benefits, it has been cultivated and consumed since ancient times by Amazon indigenous tribes.
RESULTS
A total of 14 phenolic compounds
Antioxidant and anti-inflammatory properties of Ilex guayusa tea preparations: a comparison to Camellia sinensis teas.
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Ilex guayusa tea preparations are now commercially available as Runa tea. Little is known regarding the antioxidant and anti-inflammatory bioactivities of this tea. The I. guayusa teas had a total polyphenolic content between 54.39 and 67.23 mg GAE per g dry mass and peroxyl radical scavenging
Optimisation of ultrasound-assisted extraction of phenolic antioxidants from Ilex guayusa Loes. leaves using response surface methodology.
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The present study carried out the optimisation of the total polyphenol content (TPC) extraction assisted by ultrasound in Ilex guayusa leaves applying response surface methodology (RSM). Also, the evaluation of the antioxidant activity of the extract obtained under the optimal extraction
Changes in phytochemical composition, bioactivity and in vitro digestibility of guayusa leaves (Ilex guayusa Loes.) in different ripening stages.
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BACKGROUND
Guayusa (Ilex guayusa Loes.) leaves, native of the Ecuadorian Amazon, are popularly used for preparing teas. This study aimed to assess the influence of leaf age on the phenolic compounds and carotenoids and the bioactivity and digestibility (in vitro) of aqueous and hydroalcoholic leaf
A critical review of the composition and history of safe use of guayusa: a stimulant and antioxidant novel food.
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Due to rapid international market development, there is a strong and urgent need to assess the safety of the novel food, Ilex guayusa. Guayusa has been consumed for centuries in the western Amazon as an herbal tea, and novel food regulation provide a detailed framework for safety assessment
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