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Sustainable and effective approach to recover antioxidant compounds from purple tea (Camellia sinensis var. assamica cv. Zijuan) leaves.
de Moura C, Kabbas Junior T, Mendanha Cruz T, Boscacci Marques M, Araújo Vieira do Carmo M, Turnes Pasini Deolindo C, Daguer H, Azevedo L, Xu YQ, Granato D. de Moura C, et al. Food Res Int. 2023 Feb;164:112402. doi: 10.1016/j.foodres.2022.112402. Epub 2022 Dec 31. Food Res Int. 2023. PMID: 36737984
Zijuan (purple tea) is known for its content of anthocyanins, flavan-3-ols, and bioactivities. This study aimed to verify the influence of solvent polarity, in a solid-liquid extraction, on the content of phenolic compounds and chlorophylls, instrumental color, and antioxi …
Zijuan (purple tea) is known for its content of anthocyanins, flavan-3-ols, and bioactivities. This study aimed to verify the influen …
Cellular assays combined with metabolomics highlight the dual face of phenolics: From high permeability to morphological cell damage.
Rocchetti G, Lucini L, Eduardo Gonçalves J, Camps I, Dos Santos Lima A, Granato D, Cezar Pinheiro L, Azevedo L. Rocchetti G, et al. Food Chem. 2024 Jan 1;430:137081. doi: 10.1016/j.foodchem.2023.137081. Epub 2023 Aug 4. Food Chem. 2024. PMID: 37557028

All the phenolic subclasses showed efflux ratio values < 1, except for BC flavonols, flavan-3-ols, and stilbenes. Regarding cellular damage, NS and BC extracts, when acting on the basolateral cellular side, caused epithelial leakage and morphological shape cell damage o

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All the phenolic subclasses showed efflux ratio values < 1, except for BC flavonols, flavan-3-ols, and stilbenes. Regarding cellul

…
Acute and subchronic toxicological evaluation of the semipurified extract of seeds of guaraná (Paullinia cupana) in rodents.
Antonelli-Ushirobira TM, Kaneshima EN, Gabriel M, Audi EA, Marques LC, Mello JC. Antonelli-Ushirobira TM, et al. Food Chem Toxicol. 2010 Jul;48(7):1817-20. doi: 10.1016/j.fct.2010.04.013. Epub 2010 Apr 14. Food Chem Toxicol. 2010. PMID: 20398723 Free article.
We evaluated the toxicity of a semipurified extract (EPA fraction, containing caffeine and several flavan-3-ols and proanthocyanidins) of seeds of the native Amazon plant Paullinia cupana (guarana) in rodents. ...
We evaluated the toxicity of a semipurified extract (EPA fraction, containing caffeine and several flavan-3-ols and proanthocyanidins …