Y. Tian

Y. Tian
Fujian Agriculture and Forestry University | FAFU · Department of Food Science

Ph.D.

About

48
Publications
11,455
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
1,484
Citations

Publications

Publications (48)
Article
Lotus seed protein isolate (LSPI) is nutritious but with poor solubility and emulsifying properties. Therefore, to improve utilization of LSPI in the food industry, glycoconjugates with LSPI and Dextran under dynamic high pressure microfluidization (DHPM) assisted glycosylation reaction method were produced, which dramatically accelerated the glyco...
Article
Full-text available
This study analyzes the effects of ultrasonic waves on the drying kinetics of Tremella fuciformis during microwave vacuum drying. The physicochemical properties and structural characteristics of T. fuciformis polysaccharides (TFPs) were studied by drying tremella samples using hot air drying (HAD), microwave vacuum drying, ultrasonic pretreatments...
Article
Full-text available
This study presents the effects of ultrasound (US) on the drying kinetics of lotus seeds in a hybrid dryer equipped with constant microwave power in combination with airborne US at vacuum degree (USMVD) and atmospheric pressure (USMD) from 120 to 440 W of five US power levels. Water-borne US pretreatment before microwave drying (US + MD) or microwa...
Article
Arguably the oldest method human use to extent the shelf life of food, drying inevitably inherits undesirable physiochemical changes due mainly to how the moisture in food is removed. The present study investigated how ultrasonic pretreatment (UP) affected the color, antioxidant capacity, and rehydration kinetics of lotus seeds (LSs) subjected to s...
Article
To investigate the effects of freeze–thaw cycle pretreatment (in one cycle, frozen samples were reheated to 50 °C and then frozen at −20 °C) on the structural properties and digestibility of lotus seed starch–glycerin monostearin complexes, their complex index, crystal structure, molecular structure, micro-morphology, and digestibility were analyze...
Article
This study analyzed a new drying method using airborne ultrasound combined with microwave vacuum to study its effect on the quality characteristics and microstructure of dehydrated L. edodes. Ultrasonic treatment resulted in many micropores in the product, forming the sponge effect caused by ultrasonic waves, which can promote the rapid evaporation...
Article
Microwave vacuum drying (MVD) was applied to dehydrate lotus (Nelumbo nucifera Gaertn.) seeds. This paper evaluated the changes of molecular, crystalline, and morphological structural properties of lotus seeds after MVD. The results showed the frequency of δ(CH) bending, β(CH), ν(OH), and carbon–oxygen double bonds (C = O) increased with increasing...
Article
The effects of different microwave heating (MH) methods on gelation properties of golden threadfin bream myosin and related mechanism were investigated in this study. Compared with conventional heating and one-step MH methods, myosin gel developed by 100 W coupled with 300 W MH method (MH100+MH300) had stronger gel strength (p < 0.05) with more imm...
Article
To reduce the moisture content gradient during drying, a single-stage tempering treatment based on parameters including intermediate moisture content (M), tempering temperature, tempering time and relative humidity was used to assist microwave vacuum drying (MVD) of the edible mushroom Agrocybe chaxingu. The influences of these parameters on produc...
Article
The present study investigated the changes in structural and emulsifying properties of lotus seed protein isolates (LSPIs) under different microwave-vacuum (MV) treatments. A decrease of fluorescence peak intensity with blue-shift of the fluorescence emission maximum indicated that MV treatment induced unfolding of LSPIs so that more hydrophobic re...
Article
Ultrasonic pretreatments were applied to lotus seeds at acoustic energy densities of 0.29, 0.40, and 0.51 W mL⁻¹ for 10 min. After pretreatments, lotus seeds were subjected to microwave vacuum drying (MVD). Parameters of glass transition temperature (Tg), gelatinization temperature (Tp), water state, color kinetics, and free amino acid content of m...
Article
As an important research aspect in food industry, fried products possessing both low oil content and good appearance still poses a challenge. The processing parameters of vacuum fried shiitake mushroom slices were investigated using response surface methodology. Frying temperature, vacuum pressure and frying time were studied as independent variabl...
Article
Ethnopharmacological relevance Sonchus oleraceus Linn (SOL) belongs to family of Asteraceae, is a traditional medicinal plant, which has been used to treat tumor, inflammatory diseases, infection and so on in Chinese folk culture. Aim of the study This work investigated the influence of aqueous ethanol extract of whole plant of SOL and contributio...
Article
Full-text available
The structural characteristics of lotus ( Nelumbo nucifera Gaertn.) seeds preserved by microwave vacuum drying (MVD) were investigated under various drying parameters, including microwave power density and vacuum degree. Dried lotus seeds were examined for microstructure by field emission scanning electron microscopy. Fractal dimension of the micro...
Article
Starch–lipid complexes were prepared using lotus seed starch (LS) and glycerin monostearate (GMS) via a high-pressure homogenization (HPH) process, and the effect of HPH on the paste structure and rheological properties of LS–GMS was investigated. Rapid Visco Analyser (RVA) profiles showed that HPH treatment inhibited the formation of the second vi...
Article
This study investigated the effects of microwave power density on effective moisture diffusion coefficient (Deff), glass transition temperature (Tg), gelatinization temperature (TP), physical and chemical qualities of lotus seeds during microwave vacuum drying. Deff increased by 42% and 127% at 15 W/g and 20 W/g, respectively, when compared with 10...
Article
Full-text available
In this study, reverse transcription quantitative real-time PCR (RT-qPCR) assays using species-specific primers were developed for the quantification of the three major fungal species (Saccharomycopsis fibuligera, Rhizopus oryzae, and Monascus purpureus) during the traditional brewing of Hong Qu glutinous rice wine. Species-specific primers (Sfi-F/...
Article
This study evaluated the effects of a single-stage tempering treatment during microwave vacuum drying (MVD) on drying characteristics and quality of lotus (Nelumbo nucifera Gaertn.) seeds using two parameters: intermediate moisture content (IMC) and tempering temperature (4 and 25 °C). Magnetic resonance imaging (MRI) was used to examine moisture m...
Article
A novel neutral polysaccharide (LGPS-1), with a molecular weight of 1.547 × 10⁵ Da, was isolated from Lentinus giganteus by precipitation and purification. The monosaccharides included d-mannose (Man), d-glucose (Glc) and d-galactose (Gal) with a molar ratio of 3.0:4.1:7.1. The backbone of LGPS-1 was composed of 1,6-Galp and 1,3,6-Manp whereas the...
Article
The antioxidant efficacy of protein hydrolysates prepared from large yellow croaker (Pseudosciaena crocea) by enzymatic hydrolysis using neutral protease was evaluated in D-galactose-induced aging mice. Animals were divided into normal and model control groups, and low-, middle-, and high-dose groups (50, 100, and 300 mg/kg; LYCHs), as well as toco...
Article
Hongqu rice wines were subjected to high hydrostatic pressure (HHP) treatments of 200 MPa and 550 MPa at 25 °C for 30 min and effects on wine quality during pottery storage were examined. HHP treatment can significantly (p < 0.05) decrease the content of fusel-like alcohols and maintain the concentration of lactones in these wines. After 18 months...
Article
The people of Southeast Asia often use lotus as a highly sought-after food source. Here, the effects of ultrasonic pretreatment on the drying kinetics of lotus (Nelumbo nucifera Gaertn.) seeds under microwave vacuum drying were investigated. The best fit model to predict the drying kinetics was also proposed. Lotus seeds were subjected to ultrasoni...
Article
Full-text available
The effects of NaCl, temperature, pH, ultraviolet radiation, sugars, metal ions, and simulated gastrointestinal digestion were assessed on the antioxidant activity of peptides fractions from large yellow croaker (Pseudosciaena croacea) hydrolysate. The large yellow croaker peptides showed good stability when they were mixed with sugar and a low amo...
Article
Full-text available
Various drying methods play important roles in the preservation of foods. However, how the different drying methods affect the quality of some foods is not clear. This paper evaluates the effects of hot air, vacuum, microwave, and microwave vacuum drying techniques on important qualities and volatile compounds of whole shiitake (Lentinus edodes) mu...
Article
Full-text available
Many microorganisms including some probiotic species in human gastrointestinal tract are sensitive to gastric acid secretions. The use of simulated gastrointestinal environments is a suitable approach to study the effects of a single factor on the stability of probiotics in the gastrointestinal tract (GIT). In this study, the growth effects of lotu...
Article
This study experimented on microwave-vacuum (MWV) drying of kiwifruit (Actinidia deliciosa) slices as a way to improve drying productivity and the quality of dried fruit. The effects of microwave power density, sample thickness and vacuum degree on the drying characteristics of kiwifruit slices were studied. The results showed that these three fact...
Article
Full-text available
Nelumbo nucifera Gaertn. has a relatively wide geographical distribution and biological diversity; various lotus parts have excellent food and medicinal values. Lotus seeds, which are currently the oldest known plant seeds, contain many functional ingredients. They can be eaten raw or cooked, and are often added to foods as ingredients or supplemen...
Article
Lotus seed starch in water (15%, w/w) was subjected to ultra-high pressure (UHP, 100-600 MPa) for 30 min. The effects of UHP on the structural, rheological and retrogradation properties of starch were investigated using polarized light microscopy, solid-state C-13 CP/MAS NMR, rheometry, and differential scanning calorimetry. At 600 MPa, there was l...
Article
Fortunella margarita polysaccharides (FMPS) are one of the main bioactive components of F. margarita. The activity is related to their rheological properties and structure. The objective of this study was to investigate the relationship between rheological properties, molecular distribution, and microstructure of crude FMPS (C-FMPS) and purified FM...
Article
Lotus (Nelumbo nucifera Gaertn.) seeds were dried in a laboratory quality microwave oven to determine the effects of microwave output and mass load on drying time and drying rate. By increasing the microwave output power (231-539 W) and mass load (100-200 g), the drying time decreased from 36 to 13 min and increased from 18 to 30 min, respectively....
Article
Lotus seeds polyphenols have not been studied at the anti-oxidation activity in oil and the extraction by now. Microwave-assisted extraction was employed to extract polyphenols from lotus seeds, which is a process that uses microwave energy and solvents to extract target compounds from various matrices. Orthogonal analysis methodology was used to d...
Article
In this study, microwave vacuum equipment was employed to dry lentinus edodes (Berk.) Sing. Response Surface Methodology was used to determine the optimal drying conditions. The significant levels were obtained by the equations. The optimal conditions for drying lentinus edodes (Berk.) Sing with microwave vacuum equipment were obtained as following...
Article
BACKGROUND: Acetoin is a natural flavor commonly used in wine, buffer, honey, garnet berry and strawberry as a food additive. It also has been widely applied in cosmetics, pharmacy and chemical synthesis. Culture medium optimization and process control were carried out for efficient production of acetoin by a newly isoliated P. polymyxa CS107. RESU...
Article
Full-text available
Coenzyme Q10 (CoQ10, ubiquinone), a potent antioxidative dietary supplement, was produced by submerged fermentation using Agrobacterium tumefaciens instead of chemical synthesis or solvent extraction. Agrobacterium tumefaciens 1.2554 was subjected to mutagenesis using a series of treatments including high hydrostatic pressure (HHP) treatment, UV ir...
Article
Drying is the main process used to treat lotus seeds for storage. In this study, response surface methodology was used to optimize processing methods for microwave vacuum (MWV) drying of lotus seeds and to create a desirable product. A central composite design with three important factors: microwave output power (2.0-4.0 kW), vacuum degree (-0.070...
Article
The effectiveness of ultrasonic-assisted extraction (UAE) of pomegranate seed oil (PSO) was evaluated using a variety of solvents. Petroleum ether was the most effective for oil extraction, followed by n-hexane, ethyl acetate, diethyl ether, acetone, and isopropanol. Several variables, such as ultrasonic power, extraction temperature, extraction ti...
Article
Ultrasonic-assisted extraction (UAE) of polysaccharides from white button mushroom (Agaricus bisporus) was studied. The four parameters, ultrasonic power, extraction temperature, extraction time, and the ratio of water volume to raw material weight (W/M ratio), were optimized using the central composite design (CCD) with a quadratic regression mode...
Article
An effective processing was established to recover protein without nicotine from tobacco for alternative applications as the foundation for tobacco biorefinery. Solanesol, an intermediate compound for the synthesis of coenzyme Q10 (CoQ10) and vitamin K analogues, was recovered from tobacco biomass, an agrowaste generated after protein separation. C...
Article
Ultrasound-assisted extraction was employed to extract polysaccharides from lotus (Nelumbo nucifera Gaertn.) seeds. Response Surface Methodology was used to determine the optimal extraction conditions of ultrasound power, extraction time, and extraction temperature at 406 W, 7.7 min, and 94°C, respectively. The crude extract was successively purifi...
Article
Coenzyme Q10 (CoQ10), a potent antioxidative dietary supplement, was produced by submerged fermentation using an anaerobic photosynthetic bacteria Rhodospirillum rubrum ATCC 25852 instead of chemical synthesis or solvent extraction. Five nutritional factors, including malic acid, yeast extract, (NH4)2SO4, MgSO4·7H2O, and ferric citrate, were optimi...
Article
Coenzyme Q10 (CoQ10), a potent antioxidative dietary supplement, was produced using a photosynthetic bacteria Rhodospirillum rubrum ATCC 25852 by submerged fermentation supplemented with tobacco biomass hydrolysate (TBH) in comparison with media supplemented with hydrolysates prepared with alfalfa (ABH) or spinach (SBH). Growth medium supplemented...
Article
Full-text available
The yield of CoQ₁₀, an intracellular product extracted from Agrobacterium tumefaciens cells is dependent on the effectiveness of cell lysis post fermentation. Various cell lysis approaches are investigated, including ultrasound, repetitive freezing/thawing, grinding and acid-heat treatment. The acid-heat combination using hydrochloric acid is found...