Evaluation of microbial toxins, trace elements and sensory properties of a high‐theabrownins instant Pu‐erh tea produced using Aspergillus tubingensis via submerged fermentation (CROSBI ID 259230)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Wang, Qiuping ; Šarkanj, Bojan ; Jurasovic, Jasna ; Chisti, yusuf ; Sulyok, Michael ; Gong, Jiashun ; Sirisansaneeyakul, Sarote ; Komes, Draženka
1 College of Food Science and Technology, Yunnan Agricultural University, Heilong Tan, Kunming, 650201, China2 Department of Food Technology, University Center Koprivnica, University North, Trg dr.Zarka Dolinara 1, Koprivnica 48000, Croatia3 Institute f
engleski
Evaluation of microbial toxins, trace elements and sensory properties of a high‐theabrownins instant Pu‐erh tea produced using Aspergillus tubingensis via submerged fermentation
Theabrownins (TB) are polymeric phenolic compounds associated with the multiple bioactivities of Pu‐erh tea, a post‐fermented Chinese dark tea. High‐TB instant Pu‐erh tea was produced via a novel submerged fermentation (SF) using Aspergillus tubingensis and compared with samples produced commercially via the conventional solid‐state fermentation (SSF). Viable microorganisms and microbial toxins, especially aflatoxins B1, G1, B2, G2, cyclopiazonic acid, fumonisins B1, B2, B3 and ochratoxin A, were below the detection limit in all samples. Fewer microbial metabolites were found in SF instant tea compared with the SSF teas. Based on an adult consuming 1 g of instant Pu‐erh tea daily, the dietary intake of investigated elements was below the safe limits recommended by various authorities. Tasters viewed the instant tea infusions as very mild, smooth, mellow and full. This suggested that submerged fermentation using A. tubingensis offers a speedy and safe alternative to commercial production of instant Pu‐erh tea.
Aspergillus tubingensis ; high-theabrownins instant Pu-erh tea ; microbial toxin ; submerged fermentation ; trace elements
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Podaci o izdanju
54 (5)
2019.
1541-1549
objavljeno
0950-5423
1365-2621
10.1111/ijfs.14017
Povezanost rada
Javno zdravstvo i zdravstvena zaštita, Kemija, Prehrambena tehnologija