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Synergistic effect of gamma irradiation and proper packaging for the control of insects in smoked shrimps (Penaeus notialis) from three different water bodies in Ghana

التفاصيل البيبلوغرافية
العنوان: Synergistic effect of gamma irradiation and proper packaging for the control of insects in smoked shrimps (Penaeus notialis) from three different water bodies in Ghana
المؤلفون: Felicia Akuamoa, George Tawia Odamtten, Nii Korley Kortei
المصدر: Cogent Food & Agriculture, Vol 6, Iss 1 (2020)
بيانات النشر: Taylor & Francis Group, 2020.
سنة النشر: 2020
المجموعة: LCC:Agriculture
LCC:Food processing and manufacture
مصطلحات موضوعية: insects, dried shrimps, penaeus notialis, gamma irradiation, moisture isotherms, ghana, Agriculture, Food processing and manufacture, TP368-456
الوصف: Damage caused to stored dried shrimps by insect pests is problematic and are often underestimated. The incubation, identification, and control of these insect pests which infest shrimps from three water sources; sea, lagoon, and river were evaluated according to standard procedures of the Entomological Society of Canada. Exposure to gamma ionizing radiation was undertaken from a Cobalt 60 source (SL 515, Hungary) and radiation doses of 0, 4, 8, and 10 kGy at a rate of 1.7 kGy/hr were used. The hidden insects identified were Necrobia rufipes (Copra beetle), Dermestes maculatus De Geer (Hide beetle), and a mite Lardoglyphus sp. belonging to the family Acaridae in the mite group Astigmata. An after-feeding test on shrimps by insects revealed a weight reduction by 17%, 14%, and 26% for sea, lagoon, and riverine shrimps respectively. These observations were statistically significant at p ≤ 0.05 level. After 2 months of storage there was generally a 43.0 % reduction in weight which was significantly different (p ≤ 0.05) from the initial weight. Moisture sorption isotherms of dehydrated shrimps were also checked at 20, 55, 65, 75, 85, and 95% of Effective Relative Humidity (EHR) and revealed a general trend of sigmoid shape. The prescribed dose of 8–10 kGy was able to kill all insects and rendered the product insect-free in airtight dense polypropylene containers used in these investigations.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2331-1932
23311932
Relation: https://doaj.org/toc/2331-1932
DOI: 10.1080/23311932.2020.1783176
URL الوصول: https://doaj.org/article/01cdde6feb1e4b8daa97a76a994c1136
رقم الأكسشن: edsdoj.01cdde6feb1e4b8daa97a76a994c1136
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:23311932
DOI:10.1080/23311932.2020.1783176