Impact of processing method on selected trace elements content of green tea: Does CTC green tea infusion possess risk towards human health?

The gut microbiota is well known to exert multiple benefits on human health including protection from disease causing pathobiont microbes. It has been recognized that healthy intestinal microbiota is of great importance in the pathogenesis of COVID-19. Gut dysbiosis caused by various reasons is associated with severe COVID-19. Therefore, the modulation of gut microbiota and supplementation of commensal bacterial metabolites could reduce the severity of COVID-19. Many approaches have been studied to improve gut microbiota in COVID-19 including probiotics, bacterial metabolites, and prebiotics, as well as nutraceuticals and trace elements. So far, 19 clinical trials for testing the efficacy of probiotics and synbiotics in COVID-19 prevention and treatment are ongoing. In this narrative review, we summarize the effects of various approaches on the prevention and treatment of COVID-19 and discuss associated mechanisms.

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Occurrence of trace elements (TEs) in seafood from the North Persian Gulf: Implications for human health

Journal of Food Composition and Analysis ◽

10.1016/j.jfca.2020.103754 ◽

2021 ◽

Vol 97 ◽

pp. 103754

Author(s):

Naghmeh Soltani ◽

Michel Marengo ◽

Behnam Keshavarzi ◽

Farid Moore ◽

Peter S. Hooda ◽

...

Keyword(s):

Trace Elements ◽

Human Health ◽

Persian Gulf ◽

The North

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Gamma-hydroxybutyrate accumulates in green tea and soybean sprouts in response to oxygen deficiency

Canadian Journal of Plant Science ◽

10.4141/p03-085 ◽

2003 ◽

Vol 83 (4) ◽

pp. 951-953 ◽

Cited By ~ 23

Author(s):

W. L Allan ◽

C. Peiris ◽

A. W. Bown ◽

B. J. Shelp

Keyword(s):

Key Words ◽

Human Health ◽

Green Tea ◽

Illicit Drug ◽

Oxygen Deficiency ◽

Fresh Weight ◽

Modified Atmospheres ◽

Soybean Sprouts ◽

Gamma Hydroxybutyrate ◽

Bean Sprouts

Gamma-hydroxybutyrate (GHB) is an illicit drug, which may be derived in plants from a stress-inducible metabolite known as gamma-aminobutyrate. Here, oxygen deficiency caused the accumulation of GHB in green tea and soybean sprouts (76 and 155 nmol g-1 fresh weight, respectively). These findings demonstrate that GHB levels are elevated in severely modified atmospheres, but they pose no risk to human health. Further work is required to assess the extent of this phenomenon. Key words: Gamma-hydroxybutyrate, gamma-aminobutyrate, oxygen deficiency, tea, bean sprouts

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Geochemistry of sulfur and hazardous trace elements in coals and its bearing on human health

Chinese Journal of Geochemistry ◽

10.1007/bf02839774 ◽

2006 ◽

Vol 25 (S1) ◽

pp. 21-21

Author(s):

Chenlin Chou

Keyword(s):

Trace Elements ◽

Human Health ◽

Hazardous Trace Elements

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Measurement of the Ratio of Tea Polyphenols to Amino Acids in Green Tea Infusion Based on near Infrared Spectroscopy

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.301-303.1093 ◽

2011 ◽

Vol 301-303 ◽

pp. 1093-1097 ◽

Cited By ~ 2

Author(s):

Shi Rong Ai ◽

Rui Mei Wu ◽

Lin Yuan Yan ◽

Yan Hong Wu

Keyword(s):

Amino Acids ◽

Infrared Spectroscopy ◽

Correlation Coefficient ◽

Green Tea ◽

Near Infrared Spectroscopy ◽

Near Infrared ◽

Nir Spectroscopy ◽

Tea Polyphenols ◽

Strong Absorption ◽

Tea Infusion

This study attempted the feasibility to determine the ratio of tea polyphenols to amino acids in green tea infusion using near infrared (NIR) spectroscopy combined with synergy interval PLS (siPLS) algorithms. First, SNV was used to preprocess the original spectra of tea infusion; then, siPLS was used to select the efficient spectra regions from the preprocessed spectra. Experimental results showed that the spectra regions [7 8 18] were selected, which were out of the strong absorption of H2O. The optimal PLS model was developed with the selected regions when 6 PCs components were contained. The RMSEP value was equal to 0.316 and the correlation coefficient (R) was equal to 0.8727 in prediction set. The results demonstrated that NIR can be successfully used to determinate the ration of tea polyphenols to amino acids in green tea infusion.

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