Si Tan

ORCID: 0000-0003-4409-593X
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About
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Research Areas
  • Phytochemicals and Antioxidant Activities
  • Food Quality and Safety Studies
  • Genomics, phytochemicals, and oxidative stress
  • Food Drying and Modeling
  • Postharvest Quality and Shelf Life Management
  • Tea Polyphenols and Effects
  • Microencapsulation and Drying Processes
  • Phytochemistry and Biological Activities
  • Liver Disease Diagnosis and Treatment
  • Antioxidant Activity and Oxidative Stress
  • Essential Oils and Antimicrobial Activity
  • Plant Physiology and Cultivation Studies
  • Polysaccharides and Plant Cell Walls
  • Plant biochemistry and biosynthesis
  • Diet, Metabolism, and Disease
  • Horticultural and Viticultural Research
  • Natural product bioactivities and synthesis
  • Fungal Biology and Applications
  • Genetic diversity and population structure
  • Microbial Inactivation Methods
  • Free Radicals and Antioxidants
  • Cholesterol and Lipid Metabolism
  • Bioactive natural compounds
  • Plant chemical constituents analysis
  • Natural Antidiabetic Agents Studies

Yangtze Normal University
2017-2025

Zhejiang University
2025

Central South University
2025

University of Southampton
2025

New York University
2025

The First Hospital of Changsha
2025

Chinese Academy of Tropical Agricultural Sciences
2023

South Subtropical Crops Research Institute
2023

Tropical Crops Genetic Resources Institute
2023

Hangzhou Normal University
2023

This study aims to examine the effects of various drying methods, namely vacuum freeze (VFD), (VD), hot air (HAD), sun (SD), and air-impingement jet (AIJD), on in vitro vivo bioaccessibility red radish anthocyanins. By color parameters, VFD- AIJD-dried showed redder HAD-, SD-, VD-dried radish. SEM images dried multiple holes loose interior structure. Forty-six anthocyanins were identified Original, digestive samples from VFD-dried contained more than fresh other radishes. In research...

10.1016/j.fochx.2023.100633 article EN cc-by-nc-nd Food Chemistry X 2023-03-10

Abstract Dietary fibre positively influences gut microbiome composition, enhancing the metabolism of dietary flavonoids to produce bioactive metabolites. These synergistic activities facilitate beneficial effects on cardiometabolic health parameters. The aims this study were investigate whether isoquercetin (a major flavonoid) and inulin (soluble fibre), either alone or in combination could improve features metabolic syndrome. Following a 1 week acclimatization, male C57BL6 mice (6–8 weeks)...

10.1038/s41598-018-28521-8 article EN cc-by Scientific Reports 2018-06-28

Introduction Obesity is a nutritional disorder associated with many health problems such as dyslipidemia, type 2 diabetes and cardiovascular diseases. In the present study, we investigated anti-metabolic effects of kumquat (Fortunella margarita Swingle) fruit extract (FME) on high-fat diet-induced C57BL/6 obese mice. Methods The was extracted ethanol main flavonoids this were analyzed by HPLC. For preventive experiment, female mice fed normal diet (Chow), (HF), 1% (w/w) (HF+FME) for 8 weeks....

10.1371/journal.pone.0093510 article EN cc-by PLoS ONE 2014-04-04

The optimal synchronous conditions to extract tea polysaccharides (TPS) and polyphenols (TPP) from Ya'an Tibetan were investigated, the antioxidative capacity of TPS TPP was measured, analyzed identify polyphenol compounds it contained. On basis single-factor experiments, a Box-Behnken design response surface methodology applied optimize hot water extraction conditions. technology determined as temperature 83°C, time 104 min, liquid-to-material ratio 41 ml/g, yielding at 42.70 ± 2.38 mg/g...

10.1002/fsn3.1331 article EN cc-by Food Science & Nutrition 2019-12-13

Nonalcoholic liver disease (NAFLD) is a pathological condition characterized by excessive fat deposition in the liver, and NAFLD usually has close relationship with obesity or metabolic syndrome. Currently, oxidative stress considered as an important risk factor progression of NAFLD, therefore, effective amelioration emerged promising way to improve NAFLD. Tangeretin natural compound having various pharmacological activities including antioxidation hepatoprotection. However, whether...

10.1039/d1fo02989d article EN Food & Function 2022-01-01

Ingestion of 30 % fructose water (HF) for eight weeks caused non-alcoholic fatty liver disease (NAFLD) in mice and manifested prominent weight gain, insulin resistance, abnormal lipid metabolism, oxidative stress, damage. Biochemical analysis suggested that treatment with non-starch polysaccharides extracted from Tumorous stem mustard (NSPTSM) at 25–50 mg/kg·bw prevents these symptoms HF-induced NAFLD. 16S rRNA sequencing revealed NSPTSM balanced the HF-perturbed colonic microbiota...

10.1016/j.jff.2023.105448 article EN cc-by Journal of Functional Foods 2023-02-13

Longan, a popular fruit in Asia, has been used traditional Chinese medicine to treat several diseases for centuries. Recent studies have indicated that longan byproducts are rich polyphenols. The aim of this study was analyze the phenolic composition byproduct polyphenol extracts (LPPE), evaluate their antioxidant activity vitro, and investigate regulating effect on lipid metabolism vivo. results LPPE 231.350 ± 21.640, 252.380 31.150, 558.220 59.810 (mg Vc/g) as determined by DPPH, ABTS,...

10.3390/molecules28052083 article EN cc-by Molecules 2023-02-23

Abstract The current study evaluated the effects of vacuum drying on whole polyphenol profile loquat fruit, including extractive and nonextractive polyphenols. Absorbance analysis determined that total content antioxidant levels were higher in fruit dried at 140 °C than 70 °C. results ultra‐HPLC–triple quadruple mass spectrum showed 15 phenolic acids 17 flavonoids found fruit. Multivariate integrative (MINT) sparse partial least square‐discriminant affects Co‐analysis principal component...

10.1111/1750-3841.14500 article EN Journal of Food Science 2019-03-15

Abstract Health care providers (HCPs) report a low willingness to discuss “undetectable equals untransmittable” (U=U) with patients, despite its recognized importance for both public health and the well-being of persons HIV (PWH). To better understand barriers facilitators associated providing U=U message, we conducted 16 face-to-face in-depth interviews HCPs working PWH in Hunan, China, from October 2021 May 2022. Data collection was guided by social-ecological framework. Participants...

10.1097/jnc.0000000000000559 article EN Journal of the Association of Nurses in AIDS Care 2025-05-22

The purpose of this study was to explore the drying kinetics, effective moisture diffusivity, activation energy, color variation, and thermal degradation properties anthocyanins blood-flesh peach under hot air for first time. results showed that air-drying process belongs reduced-speed drying. Page model could accurately predict change ratio peach. diffusivity during in range between 1.62 × 10-10 2.84 m2/s, energy 25.90 kJ/mol. Fresh samples had highest content (44.61 ± 4.76 mg/100 g) total...

10.3390/foods11111596 article EN cc-by Foods 2022-05-28
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