DRAFT UGANDA STANDARD  
  DUS 616  
Second  Edition  
2019 -mm-dd 
 
 Reference number  
DUS 931 : 201 9 
© UNBS 201 9  
  
Sunflower seed  — Specification  
 DUS 616: 2019 
ii © UNBS 2019 – All rights reserved  
 Compliance with this standard does not, of itself confer immunity from legal obligations  
A Uganda Standard does not purport to include all necessary provisions of a contract. Users are 
responsible for its correct applicati on 
© UNBS 2019  
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilised in any 
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permission from UN BS. 
Requests for permission to reproduce this document should be addressed to  
The Executive Director  
Uganda National Bureau of Standards  
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Uganda  
Tel: +256 417 333 2 50/1/2 
Fax: +256 41 4 286 123  
E-mail: info@unbs.go.ug  
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 DUS 616 :2019 
© UNBS 201 9 – All rights reserved  iii 
 Foreword  
Uganda National Bureau of Standards (UNBS) is a parastatal under the Ministry of Trade , Industry and 
Cooperatives established under Cap 327 , of the Laws of Uganda , as amended .  UNBS is mandated to co -
ordinate the elaboration of standards and is  
(a) a member of International Organisation for Standardisation (ISO) and  
(b) a contact point for the WHO/FAO Codex Alimentarius Commission on Food Standards, and  
(c) the National Enquiry Point on TBT  Agreement  of the World T rade Organisation (WTO).  
The work of preparing Uganda Standards is carried out through Technical Committees. A Technical 
Committee is established to deliberate on standards in a given field or area and consists of key stakeholders 
including government, aca demia, consumer groups, private sector and other interested parties.  
Draft Uganda Standards adopted by the Technical Committee are widely circulated to stakeholders and the 
general public for comments. The committee reviews the comments before recommendin g the draft standards 
for approval and declaration as Uganda Standards by the National Standards Council.  
The committee responsible for this document is Technical Committee UNBS/TC 2, Food  and agriculture , 
Subcommittee SC 2, Edible oilseeds , fats and oils . 
This the second  edition  (DUS 616:2019), cancels and replaces US 616 :2006, which has been technically 
revised .  
 DRAFT UGANDA STANDARD  DUS 616 : 201 9 
 
© UNBS 2019 – All rights reserved  1 
 Sunflower seed — Specification  
1 Scope   
This Draft Uganda standard specifies the requirements, sampling and test methods for sunflower 
seed (Helianthus annuus L.) for further processing . 
2 Normative references  
The following referenced documents 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.  
US EAS 38, Labelling of pre -packaged foods  — General requirements  
US EAS 39, Hygiene in the food and drink manufacturing industry — Code of practice  
US 246, Woven bags made from natural fibres for cereals and pulses  — Specification  
US ISO 542, Oilseeds  — Sampling  
US ISO 658, Oilseeds  — Determination of content of impurities  
US ISO 665, Oilseeds  —  Determination of moisture and volatil e matter content  
US 1659, Materials in contact with food — Requirements for packaging materials  
3 Terms and definitions   
For the purposes of this document, the following terms and definitions apply.  
ISO and IEC maintain terminological databases for use in  standardization at the following addresses:  
— ISO Online browsing platform: available at http://www.iso.org/obp  
3.1 
damaged sunflower seed  
sunflower seed and pieces of sunflower seed that are badly ground -damaged, badly weather -damaged,  
diseased, frost -damaged, heat -damaged, mould -damaged, sprout -damaged, pest damaged or otherwise materially -
damaged  of which the kernel  is visibly discoloured  
 
3.2 
dehulled seed  
sunflower seed that has the hull completely removed from the sunflower kernel  
3.3 
foreign matte r (impurities)  
all matter other than whole sunflower seeds containing kernels, dehulled sunflower seeds .  
2 © UNBS 201 9 – All rights reserved  
 3.4 
hull (husk)  
ovary wall of the sunflower seed  
3.5 
kernel  
interior contents of the sunflower seed that are surrounded by the hull  
3.6 
noxious seeds  
seeds or part of seeds of a plant species that may represent a hazard to human or animal health when  
consumed, including seeds of Argemone mexicana L., Convolvulus spp., Crotalaria spp., Datura 
spp.,Ipomoea spp., Lolium temulentum, Ricinus communis or Xant hium spp.  
4 Requirements  
4.1 general requirements  
Sunflower seeds shall:  
a) be free from any substance that renders it unsafe or unsuitable for human or animal consumption  
b) be free from musty, sour, or other undesirable odour;  
c) be free from foreign m atter such as glass, metal, stones or dung;  
d) be free from insects; and  
e) contain no more than five noxious seeds per 400 g of which no more than one may be of Crotalaria species 
and of which none may be of Ricinus communis . 
 
4.2 Specific requirements  
When tested according to the methods specified therein,  the sunflower seeds shall not exceed the limits prescribed in 
Table 1 . 
Table 1 — Specific requirements for sunflower seeds  
s/n Requirement,  
 Limits , % by 
mass/mass  Method of test  
i Moisture content,  
max 12 US ISO 665  
ii Damaged sunflower  
seeds, max.  10 Annex B  
iii Foreign matter, max.  5 US ISO 658  
 DUS 616 : 201 9 
© UNBS 201 9 – All rights reserved  3 
 5 Contaminants  
5.1 Heavy metals  
Sunflower seeds shall comply with those maximum residue limits established by the Codex Alimentarius  
Commission for this  commodity.  
5.2 Pesticide s and veterinary drug residues  
Sunflower shall com ply with the maximum residu e limits for pesticide s and veterinary drug residues set by the 
Codex Alimentarius Commission.  
5.3 Aflatoxin  
Total Aflatoxin shall not  exceed 10 μg/kg while aflatoxin B1 shall not exceed 5 μg/kg when tested in  
accordance with ISO 16050  
6 Hygiene  
Sunflower seeds shall be shall be produced, prepared and handled in accordance with US EAS 39.  
7 Packaging  
Sunflower seeds shall be packaged in containers made from food grade packaging material and  
sealed in a manner that will safeguard the hygienic, nutritional and organoleptic properties of the product  
throughout the shelf life of the product  
. 
8 Weights and measures  
Minced meat shall be packag ed in accordance with the  national Weights and measures legislation.  
9 Labelling  
In addition to the requirements of US EAS 38, the following labelling requirements shall apply and shall be 
legibly and indelibly marked.  
a) common name of the product as “Sunflo wer seed ”  
b) name, address and physical location of manufacturer/vendor;  
c) country of origin/manufacture;  
d) net weight in grams or kilograms;  
e) storage instructions.  
f) crop year  
g) batch number /code /lot number; and  
h) instructions for disposal of used package .   
4 © UNBS 201 9 – All rights reserved  
 10 Sam pling  
Sampling for sunflower shall be done according  to US ISO 542.   DUS 616 : 201 9 
© UNBS 201 9 – All rights reserved  5 
 Bibliography  
US 616— Sunflower seed - Specification  
 DUS 931 : 201 9 
© UNBS 2019 – All rights reserved  7 
 Certification marking  
Products that conform to Uganda standards may be marked with Uganda National Bureau of Standards 
(UNBS) Certific ation Mark shown in the figure below.  
The use of the UNBS Certification Mark is governed by the Standards Act, and the Regulations made 
thereunder. This mark can be used only by those licensed under the certification mark scheme operated by 
the Uganda Nat ional Bureau of Standards and in conjunction with the relevant Uganda Standard. The 
presence of this mark on a product or in relation to a product is an assurance that the goods comply with the 
requirements of that standard under a system of supervision, c ontrol and testing in accordance with the 
certification mark scheme of the Uganda National Bureau of Standards. UNBS marked products are 
continually checked by UNBS for conformity to that standard.  
Further particulars of the terms and conditions of licens ing may be obtained from the Director, Uganda 
National Bureau of Standards.  
 
 DUS 931 : 201 9   
 
ICS 67.120.10  
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© UNBS  2019– All rights reserved