Type of Notification
regular notification
Date of Distribution
2018.07.24
WTO Country
Agency Responsible
Rwanda Standards Board (RSB)
Regions Affected
Rwanda Standards Board KK 15 Rd, 49 P.O.BOX 7099, Kigali, Rwanda Tel: +250 788303492 Email: info@rsb.gov.rw Website: www.rsb.gov.rw
Notified Document Details
<p style="margin:2px !important;">DEAS 921: 2018 Green tea — Specification</p>
ICS Code
Description of Content

This Draft East African Standard specifies requirements, sampling and test methods for green tea of Camellia Sinensis (L) O. Kuntze.
This standard is not applicable to green tea subject to further processing such as decaffeination, further roasting etc.

Relevant Documents

EAS 38, Labelling of Pre-packaged foods — General requirements EAS 39, Hygiene in the food and drink industry— Code of practice
ISO 1572: 1980, Tea — Preparation of ground sample of known dry matter content
ISO 1573: 1980, Tea — Determination of loss in mass at 103 degrees C
ISO 1575: 1987, Tea — Determination of total ash
ISO 1576: 1988, Tea — Determination of water-soluble ash and water-insoluble ash
ISO 1577: 1987, Tea — Determination of acid-insoluble ash
ISO 1578: 1975, Tea — Determination of alkalinity of water-soluble ash
ISO 1839: 1980, Tea — Sampling
ISO 3103, Tea — Preparation of liquor for use in sensory tests
ISO 5498: 1981, Agricultural food products — Determination of crude fibre content — General Method
ISO 6579, Microbiology of food and animal feeding stuffs — Horizontal method for the detection of Salmonella spp
ISO 6888-1, Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of coagulase-positive staphylococci (Staphylococcus aureus and other species)
ISO 7251, Microbiology of food and animal feeding stuffs — Horizontal method for the detection and enumeration of presumptive Escherichia coli — Most probable number technique
ISO 9768: 1990, Tea — Determination of water extract

ISO 14502-1, Determination of substances characteristic of green and black tea — Part 1: Content of total polyphenols in tea – Colorimetric method using Folin — Ciocalteu reagent

ISO 14502-2, Determination of substances characteristic of green and black tea — Part 2: Content of catechins in green tea — Method using high-performance liquid chromatography
ISO 15598, Tea — Determination of crude fibre content
ISO 16649-2, Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of glucuronidase-positive Escherichia coli — Part 2: Colony-count technique at 44 °C using 5-bromo-4-chloro-3-indolyl-D-glucuronide
ISO 21527-2, Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of yeasts and moulds — Part 2: Colony count technique in products with water activity less than or equal to 0.95

 

 

Final Date of Comments
2018.09.22
Contact Details
KK 15 Rd, 49 Toll Free: 3250 Tel: +250 788303492 Email: info@rsb.gov.rw Website: www.rsb.gov.rw P.O.BOX 7099, Kigali, Rwanda
Document Online Link (EN)
Notified Under
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