G/TBT/N/RWA/170  
 
24 July 2018  
(18-4633)  Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member: RWANDA   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible: Rwanda Standards Board (RSB)  
Name and address (including telephone and fax numbers, email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if different from above:   
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   
3. Notified under Article 2.9.2 [ X], 2.10.1 [   ], 5.6.2 [   ], 5.7.1 [   ], other:  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable): Tea (ICS 
67.140.10)  
5. Title, number of pages and language(s) of the notified document: DEAS 921: 2018 
Green tea - Specification (12 page(s), in English)    
6. 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.  
7. Objective and rationale, including the nature of urgent problems where 
applicable: Protecti on of human health or safety; Quality requirements  
8. 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 - Determi nation 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  G/TBT/N/RWA/170  
 
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  • 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 coag ulase-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 sub stances 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 stuff s - 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   
9. Proposed date of adoption: To be determined  
Proposed date of entry into force: To be determined  
10. Final date for comments: 60 days from notification  
11. Texts available from: National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available, of other body:   
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  
 
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