A local dark tea – Liubao tea – extract exhibits remarkable performance in oral tissue regeneration, inflammation relief and oral microbiota reconstruction

Zhou, Shanshan; Bao, Zhejing; Ma, Shicheng; Ou, Cansong; Hu, Hao; Yang, Yingxin; Feng, Xinyu; Pan, Yani; Gong, Shuying; Fan, Fangyuan; Chen, Ping; Chu, Qiang

doi:10.1039/d3fo02277c

Cited by 2 publications

(3 citation statements)

References 84 publications

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“…65 Increasing studies have proven that QZT has a significant effect on antiobesity, which can effectively improve related indicators, such as weight gain, adipose tissue accumulation, adipose cell size, liver weight, liver lipid deposition, insulin resistance, chronic kidney disease, and serum biochemical markers. 66 Recently, Feng et al observed the changes of intestinal microbial community in obese mice through 16S rRNA sequencing. 67 The results showed that QZT could effectively inhibit weight gain and fat accumulation in mice, and the serum total cholesterol and triglyceride levels also decreased.…”

Section: Health Benefits Of Qztmentioning

confidence: 99%

“…Unfortunately, obesity has become one of the most important public health problems in China, and according to statistics, the proportion of overweight and obese adults who died from noncommunicable diseases in 2019 was about 11.1% . Increasing studies have proven that QZT has a significant effect on antiobesity, which can effectively improve related indicators, such as weight gain, adipose tissue accumulation, adipose cell size, liver weight, liver lipid deposition, insulin resistance, chronic kidney disease, and serum biochemical markers . Recently, Feng et al.…”

Section: Health Benefits Of Qztmentioning

confidence: 99%

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A Rising Star in Dark Teas: The Processing, Microorganisms, Chemicals, Bioactivities, and Safety of Qingzhuan Tea

Pang,

Wei,

Wei

et al. 2024

ACS Food Sci. Technol.

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Qingzhuan tea (QZT), as a kind of representative dark tea, is a daily necessity for people in the high-cold and high-fat diet areas of northwest China, having many health effects such as weight loss, lipid reduction, and antioxidant ability. The production of QZT has a history of more than 1000 years, which originated in Yangloudong, Chibi City, Hubei Province. QZT is typically produced by subjecting sun-dried raw green tea to various processes, including pile fermentation, drying, autoclave formation, and aging. Pile-fermentation, as the key step of processing QZT, will form abundant microorganisms to generate extracellular enzymes, which leads to a series of biochemical transformations in intrinsic chemicals. The unique sensory and nutritional properties of QZT are formed through dynamic changes of microorganisms. Meanwhile, there are still potential risks of food safety to be resolved in the processing of QZT. This paper reviews the history, manufacturing, microorganisms, chemical composition, health benefits, and safety of QZT. We first demonstrate the panorama of QZT and discuss the opportunities and challenges in the future. However, the understanding of QZT has not been integrated, and a more comprehensive study is requisite to reveal the association between consumption of QZT and human health and further illuminate the future of QZT-derived products.

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Section: Health Benefits Of Qztmentioning

confidence: 99%

Section: Health Benefits Of Qztmentioning

confidence: 99%

A Rising Star in Dark Teas: The Processing, Microorganisms, Chemicals, Bioactivities, and Safety of Qingzhuan Tea

Pang,

Wei,

Wei

et al. 2024

ACS Food Sci. Technol.

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show abstract

“…As for the digestive system, LBT extract commendably rebuilt the oral mucosal barrier, boosted regenerations of tissues, and alleviated micro‐inflammation. Moreover, the oral microbial composition was also reconstructed to regulate the oral microenvironment and the inflammation process (Zhou, Bao et al., 2023). Moreover, the pre‐treatment of raw LBT or polyphenols reversed the increase of gastric juice volume and the decrease of gastric juice pH.…”

Section: Bioactivitiesmentioning

confidence: 99%

A systemic review on Liubao tea: A time‐honored dark tea with distinctive raw materials, process techniques, chemical profiles, and biological activities

Feng,

Chen,

Song

et al. 2023

Comp Rev Food Sci Food Safe

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Liubao tea (LBT) is a unique microbial‐fermented tea that boasts a long consumption history spanning 1500 years. Through a specific post‐fermentation process, LBT crafted from local tea cultivars in Liubao town Guangxi acquires four distinct traits, namely, vibrant redness, thickness, aging aroma, and purity. The intricate transformations that occur during post‐fermentation involve oxidation, degradation, methylation, glycosylation, and so forth, laying the substance foundation for the distinctive sensory traits. Additionally, LBT contains multitudinous bioactive compounds, such as ellagic acid, catechins, polysaccharides, and theabrownins, which contributes to the diverse modulation abilities on oxidative stress, metabolic syndromes, organic damage, and microbiota flora. However, research on LBT is currently scattered, and there is an urgent need for a systematical recapitulation of the manufacturing process, the dominant microorganisms during fermentation, the dynamic chemical alterations, the sensory traits, and the underlying health benefits. In this review, current research progresses on the peculiar tea varieties, the traditional and modern process technologies, the substance basis of sensory traits, and the latent bioactivities of LBT were comprehensively summarized. Furthermore, the present challenges and deficiencies that hinder the development of LBT, and the possible orientations and future perspectives were thoroughly discussed. By far, the productivity and quality of LBT remain restricted due to the reliance on labor and experience, as well as the incomplete understanding of the intricate interactions and underlying mechanisms involved in processing, organoleptic quality, and bioactivities. Consequently, further research is urgently warranted to address these gaps.

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A local dark tea – Liubao tea – extract exhibits remarkable performance in oral tissue regeneration, inflammation relief and oral microbiota reconstruction

Abstract: LTE exhibited remarkable performance in oral tissue regeneration, inflammation relief and oral flora reconstruction.

Cited by 2 publications

References 84 publications

A Rising Star in Dark Teas: The Processing, Microorganisms, Chemicals, Bioactivities, and Safety of Qingzhuan Tea

A Rising Star in Dark Teas: The Processing, Microorganisms, Chemicals, Bioactivities, and Safety of Qingzhuan Tea

A systemic review on Liubao tea: A time‐honored dark tea with distinctive raw materials, process techniques, chemical profiles, and biological activities

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