Fermentation and complex enzyme hydrolysis for improving the total soluble phenolic contents, flavonoid aglycones contents and bio-activities of guava leaves tea

[Display omitted] •Fermentation and enzymes hydrolysis (FE) increased total phenolic content of GLT.•Soluble and insoluble-bound forms of phenolics were analyzed by HPLC.•FE processing gave the greatest yields of quercetin and kaempferol from GLT.•FE processing upgraded the antioxidant and α-glucosi...

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Vydané v:	Food chemistry Ročník 264; s. 189 - 198
Hlavní autori:	Wang, Lu, Luo, You, Wu, Yanan, Liu, Yan, Wu, Zhenqiang
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	England Elsevier Ltd 30.10.2018
Predmet:	alpha-glucosidase Antioxidant activity Antioxidants - analysis Antioxidants - metabolism Antioxidants - pharmacology Enzymatic hydrolysis Fermentation Flavonoids - analysis Flavonoids - metabolism Food Handling - methods Glycoside Hydrolase Inhibitors - metabolism Glycoside Hydrolase Inhibitors - pharmacology Guava leaves tea guavas high-value products Hydrolysis kaempferol leaves Monascus purpureus phenolic compounds Phenolics compositions Phenols - analysis Phenols - metabolism Plant Leaves - chemistry Plant Leaves - metabolism Psidium - chemistry Psidium - metabolism quercetin Quercetin - analysis Quercetin - metabolism Saccharomyces cerevisiae Solubility tea Teas, Herbal - analysis α-Glucosidase inhibition activity p-Hydroxybenzoic acid (Pubchem CID: 315) F Enzymatic hydrolysis SPUF SPF DM Chlorogenic acid (Pubchem CID: 1794427) IBPUF Vc GLT UF Guava leaves tea Quercitrin (Pubchem CID: 5280459) α-Glucosidase inhibition activity Syringic acid (Pubchem CID: 10742) Rutin (Pubchem CID: 5280805) Isoquercitrin (Pubchem CID: 5280804) Gallic acid (Pubchem CID: 370) DPPH Caffeic acid (Pubchem CID: 689043) Antioxidant activity SSF Quercetin-3-O-α-l-arabinoside (Pubchem CID: 5481224) Coumaric acid (Pubchem CID: 637542) Fermentation IBPF Avicularin (Pubchem CID: 5490064) Phenolics compositions IBPFE Quercetin (Pubchem CID: 5280343) Quercetin-3-O-β-d-xylopyranoside (Pubchem CID: 5320861) SPFE Ferulic acid (Pubchem CID: 445858) Kaempferol (Pubchem CID: 5280863) ABTS FE
ISSN:	0308-8146, 1873-7072, 1873-7072
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