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Participatory processing diagnosis of boiled sweetpotato in Uganda. Understanding the drivers of trait preferences and the development of multi-user RTB product profiles, WP1

Authors: Tinyiro, Samuel Edgar; Nakitto, Mariam; Kisakye, Sarah; Bamwirire, David; Mirembe, Anitsha; Okonya, Joshua; Mudege, Netsayi; +1 Authors

Participatory processing diagnosis of boiled sweetpotato in Uganda. Understanding the drivers of trait preferences and the development of multi-user RTB product profiles, WP1

Abstract

The purpose of this activity was to understand the important quality characteristics of boiled/steamed sweetpotato from the perspective of processors, through participatory processing demonstrations from raw material to finished product. The activity was conducted in Northern (Lira) and Western Uganda (Kamwenge). Preparation of sweetpotato in Lira was by boiling whereas steaming was used in Kamwenge. Good processing characteristics, in both regions, included easy to peel (firm peel, less pulp is lost), firm root, smooth peel and flesh surface while the undesirable ones were difficult to peel (soft peel, more pulp is lost in the process of peeling) and soft root. Average processing yield from peeling to boiled product for Lira varieties was 74.4% while for Kamwenge (steaming) it was 81.5%. In Lira, preferred boiled sweetpotato characteristics were absence of sap, mealiness, sweet taste and good smell of sweetpotato. Processors here disliked boiled sweetpotatoes which were sappy, fibrous, and not sweet and did not have a characteristic smell. In Kamwenge, preferred steamed sweetpotato had a nice colour (yellow, white, whitish on the inside), was mealy, firm, had a sweet taste and good sweetpotato smell. Least preferred characteristics for steamed sweetpotatoes were; pale colour, fibrousness, not sweet and off odour. Overall, in Lira, Otada (local) was the most preferred variety followed by Okonynedo (local) with NASPOT 8 (improved) and Arakaraka (local) jointly ranked third. In Kamwenge, NASPOT 8 (improved) was most preferred, followed by Kiribwamukwe (local), Otandibata (local) and lastly Ndererabaana (local).

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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