The Global Matcha Research Library

In vitro Anti-inflammatory Effects of Edible Igusa Soft Rush (Juncus effusus L.) on Lipoxygenase, Hyaluronidase, and Cellular Nitric Oxide Generation Assays: Comparison with Matcha Green Tea (Camellia sinensis L.)

Soft rush (Juncus effusus L. var decipiens), known as igusa, is locally cultivated as an edible organic crop, and the dried powder is applied to the processing of unique foods in Japan. The current study investigates the anti-inflammatory…

The impact of geographical indications on the power relations between producers and agri-food corporations

In recent years, a number of Asian countries have introduced new legislation on geographical indications (GIs), in tandem with the increased adoption of trade agreements and a more general tendency toward market liberalization. Following…

Application of visible-near infrared spectroscopy in tandem with multivariate analysis for the rapid evaluation of matcha physicochemical indicators.

… investigated for rapid and non-invasive evaluation of particle size and the ratio of tea polyphenols to free amino acids (P/F ratio) of matcha. The multivariate selection algorithms such as synergy interval (Si), variable combination …

Physicochemical indicators coupled with multivariate analysis for comprehensive evaluation of matcha sensory quality.

… achieved superior performance, with -0.895 rc (correlation coefficient in calibration set) and -0.883 rp (correlation coefficient in prediction set) for overall sensory quality. This work demonstrated that LASSO-PCA comprehensive …

Einfluss lipophiler Komponenten des Matcha-Teeextraktes auf das PPARγ abhängige Proliferationsverhalten in vitro

… enthält eine bis zu 137fach größere Epigallocatechin-gallat (EGCG) Konzentration, als herkömmlicher Grüntee. EGCG spielt eine Rolle in der Regulation des nukleären Peroxisomen-Proliferator-aktivierten Rezeptor gamma (PPARγ). Dieser …

Influence of Lipophilic Components of Matcha-Tea Extract on PPARγ Dependent Cell Proliferation

Application of colorimetric sensor array combined with visible near-infrared spectroscopy for the matcha classification.

… artificial neural network (BPANN) model with 99% and 98% in the calibration and prediction sets, respectively. The results indicated the sensor combined with the BPANN model could be applied satisfactorily in identification of …

Comprehensive study of matcha foam formation: Physicochemical composition analysis and mechanisms impacting foaming properties.

Tea foam is crucial for new food and drink innovations. This study examined nine types and grades of matcha, identifying Longjing 43 as a high-quality raw material for matcha with good foaming properties. Foam scanning, particle…

Variations of main quality components of matcha from different regions in the Chinese market.

… from different regions in the Chinese market. Most of matcha samples had lower ratio of tea polyphenols to amino acids (RTA), and the RTA of 9 samples of matcha was less than 10, which is beneficial to the formation of fresh and mellow …

Characterization of the Key Aroma Compounds of Shandong Matcha Using HS-SPME-GC/MS and SAFE-GC/MS.

… solid-phase microextraction (HS-SPME) and solvent-assisted flavor evaporation (SAFE) and analyzed using GC-MS. The sensory evaluation results showed that high-grade matcha (M-GS) had prominent seaweed-like, fresh and roasted …

Matcha Green Tea Drinks Enhance Fat Oxidation During Brisk Walking in Females.

… perceived intensity responses. Matcha resulted in lower respiratory exchange ratio (control: 0.84 ± 0.04; Matcha: 0.82 ± 0.04; p < .01) and enhanced fat oxidation during a 30-min brisk walk (control: 0.31 ± 0.10; Matcha: 0.35 ± 0.11 …

Gene expression regulation of the effect of shading on chlorophyll content in Fuding white tea (Camellia sinensis L.).

… expression levels of genes related to chlorophyll content and chlorophyll a/b ratio under natural light and shading conditions. Experimental results revealed the presence of the following differentially expressed genes in the porphyrin …

Effects of tea products on in vitro starch digestibility and eating quality of cooked rice using domestic cooking method.

… index (eGI) from 77.55 to 66.86. Furthermore, the gas chromatography-ion migration spectrum was analysed to confirm that the tea products endowed the cooked rice with a refreshing flavor by inducing the redistribution of the main aroma …

Three Weeks Daily Intake of Matcha Green Tea Powder Affects Substrate Oxidation during Moderate-Intensity Exercise in Females.

… 124 ± 14 beats·min-1, p = 0.154), but resulted in lower respiratory exchange ratio (placebo: 0.872 ± 0.040; Matcha: 0.839 ± 0.035) (p = 0.033), higher fat oxidation by 35 ± 47% (placebo: 0.21 ± 0.08; Matcha: 0.26 ± 0.06 g·min-1) (p = …

Fluoride Content of Matcha Tea Depending on Leaf Harvest Time and Brewing Conditions.

… and has many health-promoting properties; it contains high concentrations of polyphenols, theanine and chlorophyll. Tea, and by extension matcha, contains numerous minerals, one of which is fluorine. Under physiological …

Color stability and surface roughness of novel single-shade universal composite resins exposed to staining solutions: an in vitro study.

… test (Tukey) (p < 0.05). Composite type, staining solution, and exposure duration significantly affected discoloration (p < 0.001). Red wine induced the most pronounced color change (ECO: ΔE₀₀ = 38.9 ± 1.56), while coffee and matcha …

Polyphenolic profiles, antioxidant capacity, and antibacterial activity of green tea, matcha tea, black tea, and yerba mate extracts

… content (TPC) was quantified as gallic acid equivalent using external calibration and UV chromatogram area at 280 nm. TAC was measured by the DPPH and Folin-Ciocalteu methods. Minimum inhibitory concentrations (MICs) against Listeria …

Mechanism of the Effects of Storage Time and Matcha Addition on the Quality of Re-Steamed Bread: The Structure and Function of Gluten Protein and Starch.

… and altering protein secondary structures, accompanied by moisture loss and migration; meanwhile, starch retrogradation was significantly promoted, resulting in increased hardness and decreased specific volume. The addition of 0.5-1.0% of …

Effects of green tea, matcha tea and their components epigallocatechin gallate and quercetin on MCF‑7 and MDA-MB-231 breast carcinoma cells.

… EGCG, quercetin and tamoxifen, a decrease in viability (MTT test) or proliferation (BrdU assay) was found in all cell tests with varying effects, depending on the assay used. The effects were similar in both cell lines. This work …

Effects of matcha tea extract on cell viability and peroxisome proliferator-activated receptor γ expression on T47D breast cancer cells.

… peroxisome proliferator-activated receptor gamma (PPARγ)-dependent proliferation behavior of breast cancer cells after stimulation with matcha green tea extract (MTE). Methods: T47D cells were stimulated with MTE at concentrations of …

Synchronous fluorescence spectroscopy combined with chemometrics for determination of total phenolic content and antioxidant activity in different tea types.

… effective on green tea and green tea powder samples. Therefore, obtained calibration‐validation models gave better results for fermented tea types.

Matcha anti-senescence face mask added with superoxide dismutase and preparation method thereof

… an anti-aging Matcha facial mask added with superoxide dismutase, and a preparation method thereof. A gel-shaped mask is prepared by the re-combination of the novel skin-care raw materials, namely, Maccha, and the superoxide dismutase …

The Impact of Coffee, Matcha, Protein Drinks, and Water Storage on the Microhardness and Color Stability of a Nano-Ceramic Hybrid Composite CAD/CAM Blank.

… less impact on glass ceramic microhardness, with protein causing less discoloration in nano-ceramic hybrid composites than other immersion media.

Effects of three-week intake of Matcha green tea powder on heart rate variability metrics

… rest and moderate-intensity treadmill walking (e.g. respiratory exchange ratio, placebo: 0.78±0.04; Matcha: 0.78±0.03, P=0.87). Fat oxidation during supine rest was correlated (r=0.75, P<0.01) with the moderate-intensity walking …

Effects of matcha tea extract on cell viability and estrogen receptor-β expression on MCF-7 breast cancer cells.

… expression (ERβ). Methods: MCF-7 cells were stimulated with MTE at concentrations of 5 and 10 µg/ml. Cell viability was assessed using a water-soluble tetrazolium assay (WST-1 assay) after an incubation time of 72 h. ERβ was …