The Global Matcha Research Library

Rapid determination of free amino acids and caffeine in matcha using near-infrared spectroscopy: A comparison of portable and benchtop systems

… worthy compositions and health benefits. This work proposed to predict free amino acids (FAA) and caffeine contents in matcha using a portable near-infrared (NIR) spectroscopy system combined with two different acquisition techniques …

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

… 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 population analysis (VCPA), …

Field-Aged Shade Nets Residues Disrupt Rhizosphere Microbiota and Nitrogen Metabolism in Tea (Camellia sinensis).

… shifts disrupted the soil-plant C-N balance, impairing tea plant nitrogen metabolism, which in turn suppressed glutamate and theanine biosynthesis, reallocating metabolism toward bitter ester-type catechins, and ultimately reduced …

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

… and biochemical analysis revealed that pH (≈6.0), catechins (such as EGCG), amino acids (such as valine), pectin, soluble proteins and lipids enhanced foam formation. These components affected matcha's foaming through inter-component …

Matcha and exercise synergy: Elucidating mechanisms and central signaling pathways modulating glycolipid metabolism in high‐fat diet‐induced obese mice

… findings revealed that matcha co‐exercise significantly mitigates glycolipid metabolism abnormalities, increasing serum antioxidant enzymes. This combination notably influences peripheral metabolism, especially amino acids and their …

A Comparative Multianalytical Approach to the Characterization of Different Grades of Matcha Tea (Camellia sinensis (L.) Kuntze).

… qualitative and quantitative analyses. Results reveal a decreasing gradient of amino acids and caffeine from grade 1 to food grade, while other metabolites, such as polyphenols, display an increasing trend. These findings suggest that …

Leaf-color-driven metabolic and volatile differences shape flavor characteristics of matcha

A comprehensive metabolomics analysis of volatile and non-volatile compounds in matcha processed from different tea varieties.

… that the levels of tea polyphenols, ester catechins, nonester catechins, and amino acids varied among these four varieties. Notably, 177 significant different metabolites, such as phenolic acids, flavonoids, tannins, alkaloids were …

Physiological Activity and Component Changes with Magnesium Treatment before Tea Shade Cultivation

… them, phenolic compounds, antioxidant activity, catechin, caffeine, and free amino acids were analyzed. When grown under shade, the photosynthetic ability improved. Magnesium treatment further improved photosynthetic ability, which in …

Matcha green tea beverage moderates fatigue and supports resistance training-induced adaptation.

… Matcha green tea contains several bioactive factors such as antioxidants, amino acids, and dietary fibers; however, its effect on muscle adaptation is unclear. In this study, we aimed to investigate the effects of matcha beverage …

Effect of Geographic Regions on the Flavor Quality and Non-Volatile Compounds of Chinese Matcha.

… in the matcha samples, comprising 118 flavonoids, 14 tannins, 365 organic acids, 42 phenolic acids, 22 alkaloids, 39 saccharides, 208 amino acids and derivatives, 17 lignans and coumarins, seven quinones, 44 nucleotides and …

Matcha as a Source of Bioactive Compounds: A Review of Health-Promoting Properties and Potential Applications.

… of beneficial biological effects due to its high concentration of polyphenols, amino acids, and antioxidants. Nevertheless, despite promising experimental and preclinical data, further well-designed clinical studies are needed to better …

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

… of theanine in tea plants were affected by down regulation of gene encoding amino acid permeases, theanine content in tea leaves that grown under shading condition was significantly higher than those under natural light. In this study, …

The Effects of Matcha and Decaffeinated Matcha on Learning, Memory and Proteomics of Hippocampus in Senescence-Accelerated (SAMP8) Mice.

… transmission and nerve cell plasticity, antioxidation, glutamate transport and metabolism, GABA (γ-amino butyric acid) formation and transport and excitatory amino acid transporters: proteins downregulated upon sample intake (p < 0.05): …

Effect of Shading on the Morphological, Physiological, and Biochemical Characteristics as Well as the Transcriptome of Matcha Green Tea.

… and phenylpropanoid biosynthesis). Therefore, shading may modulate tea plant metabolism, signaling, biosynthetic activities, and environment-related changes to gene transcription. The expression of amino acid permeases (APP) encoding …

Matcha (Camellia sinensis): Bioactive Constituents, Pharmacological Activities, and Emerging Therapeutic Applications — A Comprehensive Review

… that makes matcha what it is: reduced light slows the enzymatic conversion of amino acids into catechins, so L-theanine accumulates instead of being consumed, while chlorophyll synthesis ramps up to compensate for the light lost. The …

The Effect of Matcha (Camellia sinensis) and Yerba Mate (Ilex paraguariensis) Aqueous Extract on Oxidative Stress Status in Obese Rats

… oxide (NO), malondialdehyde (MDA), alkaline phosphatase )ALP(, aspartate aminotransferase) AST(, alanine aminotransferase )ALT(, uric acid, urea and creatinine levels as compared to the negative control, and levels of serum …

The use of matcha green tea in the development of a cupcake recipe

… of cupcakes. Matcha green tea contains a large amount of tannins, caffeine, amino acids and other useful substances and finds application not only for the preparation of a drink, but in the technology of various food products. The work …

KANDUNGAN MATCHA DALAM TREN GIZI DAN GAYA HIDUP SEHAT GENERASI Z DI ERA DIGITAL: LITERATUR REVIEW

… powdered green tea from Japan rich in catechins, dietary fiber, vitamin K, and amino acids such as theanine, is associated with health benefits relevant to the active and nutrition-conscious young generation. Studies indicate that matcha …