Forthcoming articles

 


International Journal of Postharvest Technology and Innovation

 

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International Journal of Postharvest Technology and Innovation (3 papers in press)

 

Regular Issues

 

  •   Free full-text access Open AccessShelf life extension of sweetpotato roots using household-level storage method
    ( Free Full-text Access ) CC-BY-NC-ND
    by Richard Atinpoore Atuna, Francis Kweku Amagloh, Edward Ewing Carey 
    Abstract: The short shelf life of sweetpotato affects its potential use as a food and nutrition security crop. In this study, three sweetpotato cultivars, OFSP-1, OFSP-2 and WFSP were investigated for perishability (weight loss, weevil damage, rot and sprouts) using two storage methods, following pre- or postharvest curing treatments. The curing treatments were in-ground curing (dehaulming) before harvest; field-piled curing after harvesting; and no curing. The roots were further stored by heaping and covering with moistened straw, or in earthen sand boxes. The storage experiment was carried out in a thatched hut under ambient conditions in northern Ghana. To evaluate possible relationships between wound healing and shelf life, the roots that were being cured using the field-piled method were deliberately injured and wound healing assessed over a 6-day period. Over an 11 week storage period, OFSP-2 recorded the highest weight loss (9.7%; p = 0.04), weevil damage (3.7%; p = 0.49) and rot (21%; p < 0.001). Weight loss and weevil damage were respectively 1.8-times and 23-times higher in the roots stored by heap method compared with those in the sand box method. However, no significant differences were found between storage methods in terms of rot. Sprouts in the sand box storage were about 3-times more than the heap storage. Except for WFSP, the lignification score increased gradually to the 3rd or 4th day for OFSP-2 and OFSP-1 respectively before levelling off. The sand box method improved the shelf life of sweetpotato roots up to 11 weeks compared to 9 weeks in the heap storage. Therefore, the sand box storage can be used to extend the shelf life of sweetpotato cultivars at the household-level.
    Keywords: Dehaulming; Lignification; Sand box; Wound healing; Sweetpotato.
    DOI: 10.1504/IJPTI.2017.10008267
     
  • CHANGES IN FUNCTIONAL AND PASTING PROPERTIES AND MINERAL CONTENTS OF THE FLOUR OF TWO CASSAVA CULTIVARS TME 419 AND UMUCASS 36 UNDER DIFFERENT STORAGE CONDITIONS   Order a copy of this article
    by Oluwafemi Caleb, Amarachi Uchechukwu-Agua, Umezuruike Linus Opara 
    Abstract: This study investigated the effects of packaging and storage conditions (23 and 38
    Keywords: Cassava flour; pasting properties; swelling power; water binding capacity.

  • Effect of storage temperature on post harvest quality of strawberry (Fragaria x ananassaDuch) genotypes   Order a copy of this article
    by M. Moshiur Rahman, M. Mizanur Rahman 
    Abstract: A study to investigate the effect of storage temperature on post-harvest quality of strawberry was conducted in Bangladesh during the winter season of 2010-2011 and 2011-2012. Five strawberry genotypes viz. Sweet Charlie, Festival, Camarosa, FA 008 and BARI Strawberry-1, and four storage temperature (10, 70, 140 and 250C) were used. Per cent fruit decay, weight losses and visual appearance of strawberry were found up to the mark when fruits were stored at 10C and that was significantly deteriorated when stored at higher temperature and declined maximum at ambient condition. During storage, the TSS content of strawberry increased gradually and it was found to be slow at 10C and rapid under ambient temperature. The ascorbic acid content of fresh fruits was decreased during storage, but the rate of reduction during storage was very slow at 10C, but higher losses were noted at ambient condition.
    Keywords: Strawberry; Post harvest quality; Storage temperature; Freshness; Weight loss; TSS; Ascorbic acid.