Matcha authenticity and analytical methods: the research

Comprehensive assessment of matcha qualities and visualization of constituents using hyperspectral imaging technology.

Matcha, made from different tea leaves as raw material, exhibits diverse aromas and flavors. Therefore, there is an urgent need for a rapid, non-destructive method to assess the quality of matcha to ensure that these different…

Monitoring chlorophyll changes during Tencha processing using portable near-infrared spectroscopy.

Monitoring chlorophyll during Tencha (the raw ingredient for matcha) processing is critical for determining the matcha's color and quality. The purpose of this study is to explore the mechanism of chlorophyll changes during Tencha…

Evaluation of matcha tea quality index using portable NIR spectroscopy coupled with chemometric algorithms.

Abstract BACKGROUND The study reports a portable near infrared (NIR) spectroscopy system coupled with chemometric algorithms for prediction of tea polyphenols and amino acids in order to index matcha tea quality. RESULTS Spectral data were…

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

Matcha tea powder is considered as an integral part of a healthy diet due to its enormous health benefits. In the current study, visible near-infrared (Vis-NIR) and colorimetric sensor array (CSA) techniques are applied to identify the…

Matcha Green Tea: Chemical Composition, Phenolic Acids, Caffeine and Fatty Acid Profile.

Matcha-Japanese powdered tea-is a variety of green tea (Camellia sinensis L.), one of the most popular beverages in the world. Due to the unique way it is grown, it contains high concentrations of health-promoting phytochemicals. The aim…

Multimodal Sensor Fusion for Non-Destructive Tea Quality Evaluation: Deep Learning-Enabled Methods, Applications, and Challenges.

Tea quality evaluation is increasingly moving from subjective sensory assessment and destructive laboratory analysis toward rapid, non-destructive, and data-driven approaches. This review summarizes recent advances in multimodal sensing…

Identification of key odorants responsible for the seaweed-like aroma quality of Shandong matcha.

The distinctive seaweed-like aroma is a typical flavor characteristic of high-grade Shandong matcha. To obtain a sample of strong seaweed aroma extracted from matcha, high-grade Shandong matcha made from fresh leaves of Camellia sinensis…

Simultaneous quantification of chemical constituents in matcha with visible-near infrared hyperspectral imaging technology.

This study aimed to assess the feasibility of identifying multiple chemical constituents in matcha using visible-near infrared hyperspectral imaging (VNIR-HSI) technology. Regions of interest (ROIs) were first defined in order to calculate…

Au@Ag nanostructure based SERS substrate for simultaneous determination of pesticides residue in tea via solid phase extraction coupled multivariate calibration

The study aimed to extend the applications of surface-enhanced Raman scattering (SERS) – recently one of the most promising and widely employed technique in food safety and quality monitoring – towards determination of two analytes in a…

Characterisation of key odourants in Japanese green tea using gas chromatography-olfactometry and gas chromatography-mass spectrometry

Japanese green tea is becoming increasingly popular worldwide due to its pleasant aroma. The volatiles of four types of Japanese green tea (Sencha, Matcha, Gyokuro, and Hojicha) were extracted separately by headspace solid-phase…

Authentic Japanese Matcha Filling for Bakery & Pastry

Our Matcha Filling delivers distinctive umami-rich flavor of premium Japanese green tea in a versatile bakery format. Captures matcha's complex character: grassy notes balanced with subtle sweetness and unique savory undertones matcha…

Cosmeceutical Potential of Matcha (Camellia sinensis) and Yerba Mate (Ilex paraguariensis) Extracts Obtained with Green Solvents.

Matcha (Camellia sinensis) and yerba mate (Ilex paraguariensis) are polyphenol-rich plants of growing interest for cosmetic applications, yet the influence of green extraction solvents on their cosmeceutical potential remains…

Development of a Real-Time PCR Assay for the Detection of Plant-Based Adulterants in Chinese Green Tea Matcha Powder

Effects of matcha green tea on the pharmacokinetics of nadolol in rats.

The concurrent use of herbal dietary supplements with prescription medications raises safety concerns due to the potential for clinically significant interactions. Matcha, a shade-grown green tea consumed as an ultra-fine powder, is rich…

Identification of the Geographical Origins of Matcha Using Three Spectroscopic Methods and Machine Learning

For high-value-added products such as matcha, scientific confirmation of the origin is essential for quality assurance and fraud prevention. In this study, three nondestructive analytical techniques, specifically fluorescence (FF),…