Reference number  
DRS 79: 2017  
© RSB 2017  
 
 RWANDA 
STANDARD  DRS 
79 
 
Second  edition  
2017 -mm-dd 
 
Fruit flavoured drinks  — Specification  
  DRS 79:2017  
©RSB 2017 - All rights reserved                  ii 
 In order to match with technological development and to keep continuous progress in industries, 
standards are subject to periodic review. Users shall ascertain that they are in possession of the latest 
edition  
 
 
 
 
 
 
 
 
© RSB 2017  
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized 
in any form or by any means, electronic or mechanical, including photocopying and microfilm, without 
prior written permission from R SB. 
Requests for permission to reprodu ce this document should be addressed to : 
Rwanda Standards  Board  
P.O Box 7099 Kigali -Rwanda  
KK 15 Rd, 49  
Tel. +250 252 586103/ 582945  
Toll Free: 3250  
E-mail: info@rsb.gov.rw  
Website: www.rsb.gov.rw  DRS 79:2017  
iii                ©RSB 2017 - All rights reserved  
 Contents  Page 
1 Scope  ................................ ................................ ................................ ................................ .............  1 
2 Normative references  ................................ ................................ ................................ ...................  1 
3 Term s and definitions  ................................ ................................ ................................ ..................  2 
4 Requirements  ................................ ................................ ................................ ................................  2 
4.1 Ingredients  ................................ ................................ ................................ ................................ .... 2 
4.2 General requirements  ................................ ................................ ................................ ..................  3 
4.3 Specific requirements  ................................ ................................ ................................ ..................  3 
4.4 Microbiological requirements  ................................ ................................ ................................ ..... 3 
5 Food  additives  ................................ ................................ ................................ ..............................  4 
6 Contaminan ts ................................ ................................ ................................ ................................  4 
6.1 Pesticides residues  ................................ ................................ ................................ ......................  4 
6.2 Heavy metal and other contaminants ................................ ................................ .........................  4 
7 Hygiene  ................................ ................................ ................................ ................................ ..........  5 
8 Packaging  ................................ ................................ ................................ ................................ ...... 5 
9 Labelling  ................................ ................................ ................................ ................................ ........  5 
 DRS 79:2017  
©RSB 2017 - All rights reserved                  iv 
 Foreword  
Rwanda Standard s are prepared  by Technical Committees and approved by R wanda Standards Board (RSB) 
Board  of Directors in  accordance with the procedu res of RSB, in compliance with Annex 3 of the WTO/TBT 
agreement on the preparation, adoption and application of standards.  
The main task of technical committees is to prepare national standards.  Final Draft Rwanda S tandards adopted 
by Technical committ ees are ratified  by me mbers of RSB Board of Director s for publication and gazettment as 
Rwanda Standards.  
RS 79 was prepared by Technical Committee RSB/TC 001, Beverages . 
In the preparation of this standard, reference was made to the following standard:  
1)  KS 1485 : Fruit flavoured drinks - Specification  
The assistance de rived from the above source is hereby acknowledged with thanks.  
This second  edition cancels and replaces the first  edition (RS  79:2009 ), which has been technically revised.  
Committee members hip 
The following organizations were represented on the Technical Committee on  Beverages  (RSB/TC 001) in the 
preparation of this standard.  
Agashinguracumu Ltd  
Bona Natural Fruits Transformation Company Ltd  
CANA -Rusizi  
Enterprise URWIBUTSO  
INDAKEMWA Ltd  
Institut Catholique de Kabgayi (ICK)  
KASESE Distillers Ltd  
La Carmela Delice  
SALUNA Ltd  
SPERANZA Group Ltd  DRS 79:2017  
©RSB 2017 - All rights reserved                  ii 
 UMURAGE Ltd  
University of Rwanda  
Rwanda  Standards Board (RSB) – Secretariat  
 DRS 79:2017  
1                ©RSB 2017 - All rights reserved  
 Fruit flavoured drinks  —Specification  
1 Scope  
This Rwanda Standard specifies the requirements and test methods for fruit flavoured drinks.  
1.1 This standard covers fruit flavoured drinks made from natural or synthetic colourings, flavourings,  emulsions, 
water, sugar and other optional ingredients. This standard also applies to products referred to ascordials (is an 
extremely sweet non -alcoholic fruit flavoured drink concentrates).  
1.2 This stan dard does not cover products such as fruit juices covered by other Rwanda Standards like fruit  
squashes; carbonated and non -carbonated beverages, fruit -based soft drinks and fruit drinks with added ethyl 
alcohol . 
2 Normative references  
The following document s are referred to in the text in such a way that some or all of  their content constitutes 
requirements of this document.  For dated references, only the edition  cited applies. For undated references, the 
latest edition of the referenced document (including any amendments) applies.  
AOAC 950.17, Official Method Citric Acid in non-alcoholic Beverages  
AOAC 950.27 , Solids (total) in non -alcoholic beverages  
AOAC 950.29 , Sucrose in non -alcoholic beverages  
AOAC 950.31 , Official Method, Glucose (Commercial) in non-alcoholic Beverages  
AOAC 979.17 , Lead in evaporated milk and fruit juice, Anodic stripping voltametric method  
AOAC 980.19 , Tin in food, Atomic Absorption Spectrophotometric method  
AOAC 999.10 , Lead, cadmium, zinc, copper and iron in food, Atomic Absorption Spectrophotometry  
AOAC.950.29 , Sucrose in non -alcoholic beverages  
CAC/GL 66, Guidelines for the use of flavourings  
ISO 17239 , Fruits, vegetables and derived products -- Determination of arsenic content -- Method using hydride 
generation atomic absorption s pectrometry  
RS CAC/RCP 1 , General Principle s for Food Hygiene  
RS CODEX STAN 192 , General standard for food additives   
©RSB 2017 - All rights reserved                  2 
 RS CODEX STAN 212 , Sugars— Specification  
RS EAS 1 2, Potable Water  — Specification  
RS EAS 38 , General standard for labeling of prepackaged foods  
RS ISO 16649 -1, Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of 
beta-glucuronidase -positive Escherichia coli — Part 1: Colony -count technique at 44 degrees C using 
membranes and 5 -bromo -4-chloro -3-indolyl Bet a-D-glucuronide  
RS ISO 1842,  Fruit and vegetable products — Determination of pH  
RS ISO 21527 -1, Microbiology of food and animal feeding stuffs -- Horizontal method for the enumeration of 
yeasts  and moulds -- Part 1: Colony count technique in products with water activity greater than 0,95  
RS ISO 4832, Microbiology of food and animal feeding stuffs -- Horizontal method for the enumeration of  
coliforms -- Colony -count technique  
RS ISO 4833 -1, Microbiology of food and animal feeding stuffs — Horizontal method f or the enumeration of 
microorganisms — Part 1: Colony count at 30 degrees C by the pour plate technique  
RS ISO 6579 -1, Microbiology of food and animal feeding stuffs -- Horizontal method for the detection of 
Salmonella  spp. 
RS ISO 6888 -1, Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of 
coagulase -positive staphylococci (Staphylococcus aureus and other species) — Part 1: Technique using Baird -
Parker agar medium  
3 Terms and definitions  
For the purposes of this standard,  the following terms and definitions apply . 
3.1 
fruit flavoured drink  
soft drink flavoured with  natural fruit or synthetic flavours  
4 Requirements  
4.1 Ingredients  
The following essential ingredients shall be used for the manufacture of fruit flavoured drinks:  
a) Potable (drinking) water complying with RS EAS 12 ; DRS 79:2017  
3                ©RSB 2017 - All rights reserved  
 b) Sugars complying with RS CODEX STAN 212 ; and  
c) Permitted fruit flavours.  
4.2 General requirements  
Fruit flavoured drink  shall: 
a) be free from any extraneous matter;  
b) be free from any substances injurious to health ; 
c) possess characteristic fruit taste and flavour, and  
d) Permitted flavouring agents . 
4.3 Specific requirements  
Fruit flavoured drinks  shall comply with the specific requirements s tipulated in Table 1 
Table 1 — Specific r equirements for Fruit flavoured drinks   
S/N Characteristic  Requirement  Test method  
I.  Brix, % min 10 AOAC 950.27  
II.  pH 2.4-5.8 RS ISO 1842  
III.  Glucose , % m/m min  0.5 AOAC 950.31  
IV.  Total Acidity as an hydrous citric -acid, % 
m/m max.  0.25 AOAC 950.17  
V.  Sucrose , % m/m  5.0-9.0 AOAC 950.29  
4.4 Microbiological requirements  
When tested in accordance with appropriate methods, fruit  flavoured drinks  shall comply with the requirements 
specified in Table 2 . 
Table 2▬ Microbiological limits for fruit flavoured drinks  
S/N  Characteristics  Limits  Test method  
I.  Total viable counts CFU/ml, max.  102 RS ISO 4833 -1 
II.  Faecal coliforms in 100 ml  absent  RS ISO 4832  
III.  E.coli CFU/ml, max.  absent  RS ISO 16649 -1 
IV.  Staphylococcus aureus CFU/ml, max.  absent  RS ISO 6888 -1 
V.  Salmonella spp CFU in 25ml max.  absent  RS ISO 6579 -1 
VI.  Yeast s and mould s CFU/ml , max.  100 RS ISO 21527 -1-2  
©RSB 2017 - All rights reserved                  4 
 5 Food  additives  
Food additives permitted by RS CODEX STAN 192 and existing national laws that may be used include but are 
not limited to the following:  
a) colorants;  
b) antifoaming agents;  
c) emulsifiers and stabilizers;  
d) flavouring agents;  
e) flavour enhancers;  
f) preservatives; and  
g) sweeteners – natural and synthetic.  
6 Contaminants  
6.1 Pesticides residues  
The products covered by the provisions of this standard should comply with those maximum residue limits for 
pesticides established by the Codex Alimentarius Commission for these products.  
6.2 Heavy metal and other contaminants  
Fruit flavoured drinks shall not contain heavy metal contaminants in excess of the limits stipulated in Table  3  
Table  3▬ Limits f or heavy metal s and other contaminants in fruit flavoured drinks  
S/N  Characteristics   Maximum limit (mg/l)  Test method  
i.  Lead as Pb  0.2 AOAC 979.17  
ii.  Cadmium as Cd  0.2 AOAC 999.10  
iii.  Zinc as Zn  5.0 
iv.  Copper as Cu  1,5 
v.  Arsenic as As  0.1 ISO 17239  
vi.  Tin as Sn  250 AOAC 980.19  DRS 79:2017  
5                ©RSB 2017 - All rights reserved  
 7 Hygiene  
Fruit flavoured drink shall be processed, packaged, stored and distributed under hygienic conditions prescribed 
in the RS CAC/RCP  1. 
8 Packaging  
Fruit flavoured drink s shall be packaged in food grade  packaging material s that shall not affect the quality of the 
product.  
9 Labelling  
9.1 In addition to requirements specified in RS  EAS 38 , the following requirements shall apply and shall be  
legibly and indelibly marked : 
a) Name of the product such as ‘’ Fruit flavoured drink” ; 
b) Name, physical location and address of manufacturer ; 
c) List of ingredients ; 
d) Lot number;  
e) Net content;  
f) Date of manufacture  
g) Country of origin for imported products or the declaration 'Made in Rwanda' for locally manufactured 
products ; and  
h) Expiry date.  
9.2 Labelling prohibition  
a) Misrepresentation of the fruit flavoured drinks through fruit pictorials or claims such as 'Contains Fruit Juice’ 
on the label is prohibited.  
b) Nutritional claims on fruit flavoured drinks such as declaring them as 'Health Drinks' are  prohibited.  
 
 DRS 79:2017  
ICS 67.160.20  
 
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