Plums (Prunus domestica cv. Jojo) were divided onto 5 groups. After 28 days of conducted tests, firmness was greatest with starch and starch-whey protein films, and with coated materials was not significantly less than with the control group. This means that customers can consume plums for even 1/3 longer than their shelf-life.
PL
Śliwki (Prunus domestica cv. Jojo) zostały podzielone na 5 grup. Po 28 dniach testów twardość owijanych filmami owoców była największa, zaś owoców powlekanych roztworami nieznacząco różniła się od grupy kontrolnej. Oznacza to, że czas sprzedaży śliwek może być o 1/3 dłuższy.
Transport of mineral concentrates is associated with high risk of liquefaction of the cargoes. This type of goods containing water may liquefy and shift dangerously across the cargo compartments. Therefore, it is rational to limit the moisture content of the cargoes which may liquefy. To prevent sliding and shifting of ore concentrates in storage biodegradable materials composed of starch are added to the mineral concentrates. The influence of adding starch materials to the mineral concentrates on its parameters determining ability for safe shipment was assessed on the basis of determination of the following parameters: permeability, cohesion and internal friction angle of concentrates.
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