Tea Testing
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.
Tea types that Alfa Chemistry can test:
Green tea
Oolong tea
White tea
Yellow tea
Black tea
Herbal tea, etc.
Alfa Chemistry's testing services include but not limited to:
| Services | Testing Items |
|---|---|
| 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. |
| 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. |
| Other | Pesticide residue testing, lable, sensory quality, etc. |
Tea test guidance, standards and specifications:
ISO
? 1980 Tea -- Sampling
? 2004 Tea -- Classification of grades by particle size...
? 2002 Determination of caffeine content in tea
? 1980 Tea -- Preparation of liquor for use in sensory...
? 1999 Tea -- Determination of crude fibre content
? 1994 Tea -- Determination of water extract
? 1975 Tea -- Determination of alkalinity of water-sol...
? 1987 Tea -- Determination of acid-insoluble ash
? 1988 -- Determination of water-soluble ash and wat...
? 1987 Tea -- Determination of total ash
? 1980 Tea -- Determination of loss in mass at 103 de...
? 1980 -- Preparation of ground sample of known dry...
Do not know how to place an order, please refer to the flow chart shown below.
Submit quotation request |
A technical manager will contact you within 24 hours |
You will review and approve the final price and place an order |
Confirm with you and make the payment |
Instruct you to ship your samples and form |
Analytic report delivery |
If you have questions at any time during the process, just give us a call or send us an email at info@alfa-chemistry.com. We will do all we can to meet your needs.