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Tea Testing

Tea TestingTea TestingTea Testing

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Tea Testing

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  1. Tea Testing Through our global network of testing experts and analytical equipment including chromatography (HPLC, GC, GC/MS) and atomic absorption spectroscopy (AAS, GFA, FIAS), Our goal is to provide test services as efficiently as possible to maximize our customers' profits. For more information about our services, contact one of our experts today. Tea contains catechins, folic acid, pantothenic acid, caffeine, inositol and other ingredients to enhance human health. Tea is known as "one of the world's three major beverages." In order to maintain the credibility of tea, to promote the prosperity of the tea market, and to protect the interests of consumers, the International Standardization Organization-Agricultural Food Technology Committee Tea Subcommittee recommended the international standards and testing methods for tea. Alfa Chemistry offers a wide array of capabilities and testing services for the tea industry. From authenticity testing to microbiological testing, Alfa Chemistry provides incredible service and credible results. Alfa Chemistry is your one-stop laboratory for all tea analysis.

  2. Tea types that Alfa Chemistry can test: Green tea 

  3. Oolong tea  White tea  Yellow tea  Black tea  Herbal tea, etc. Alfa Chemistry's testing services for tea include  but not limited to: Chemical Testing  Theaflavins, acid-insoluble ash, moisture, ash, water extract, tea polyphenols, catechins, dry matter content, caffeine, water-soluble ash, water-insoluble ash, water-soluble ash alkalinity, acid-insoluble ash, crude fiber Free amino acids, etc. Nutritional Ingredients  Protein, sodium, carbohydrates, energy, fat, vitamins, etc. Microbiological Testing  Coliform, Salmonella, Shigella, Staphylococcus aureus, hemolytic streptococcus, mold and yeast, total number of colonies, etc. Elemental Analysis  Pb, Cr, Cd, Hg, As, Fe, Mn, Cu, Zn, Ca, Mg, K, Na, P, Se, S, Fluoride, Rare Earth, etc. Physical Testing  Powder content, broken tea content, tea stems, non-tea inclusions, crushed tea, etc. Pesticide Residue Testing  Lable  Sensory Quality Tea test guidance, standards and specifications: 

  4. 1. ISO 1839: 1980 Tea -- Sampling 2. ISO 11286: 2004 Tea -- Classification of grades by particle size analysis 3. ISO 10727: 2002 Determination of caffeine content in tea 4. ISO 3103: 1980 Tea -- Preparation of liquor for use in sensory tests 5. ISO 15598: 1999 Tea -- Determination of crude fibre content 6. ISO 9768: 1994 Tea -- Determination of water extract 7. ISO 1578: 1975 Tea -- Determination of alkalinity of water-soluble ash 8. ISO 1577: 1987 Tea -- Determination of acid-insoluble ash 9. ISO 1576: 1988 -- Determination of water-soluble ash and water-insoluble ash 10. ISO 1575: 1987 Tea -- Determination of total ash 11. ISO 1573: 1980 Tea -- Determination of loss in mass at 103 degrees C 12. ISO 1572: 1980 -- Preparation of ground sample of known dry matter content For more information about tea analysis, please feel free to contact us. Our service is available 24/7.

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