Study of shrimp drying

Abstract

The purpose of the research was to determine the energy-saving operating parameters of the shrimp drying for the production of snack products. Analysis of the energy intensity of the process and the conditions for achieving product quality showed that convective drying the most appropriate technique for obtaining snack products from boiled shrimp. The method of experiments for convective drying of raw materials is developed. As a result of research data on kinetics of drying cleared boiled sea shrimp and boiled sea shrimp in a shell without head depending on various parameters of process are received. In the process of convective drying temperature and humidity of the working environment of the drying chamber are the most influencing factors. Their relationship with the rate of dehydration of sea shrimp in the form of a second order polynomial is obtained by the method of experiment planning. Based on the results of the study, mathematical models of the drying process of purified boiled sea shrimp and boiled sea shrimp in a shell without head in a convective drying plant were developed. Regression equations describing the effect of the regime parameters of convective drying on the rate of dehydration of the product were obtained. A mathematical model of the process of convective drying boiled meat of sea shrimp and shrimp in the shell without head, establishing the relationship of the process parameters: humidity φ, and temperature T of the working medium of the convective drying unit at the rate of dehydration of the product was developed. The rational parameters of convective drying the meat of sea shrimp and shrimp in the shell without head are φ = 80% and T = 100 0 C.

Exhibition Review A Collection Worthy of a Cosmopolitan Patron of the Arts: Masterpieces from the Hermitage: The Legacy of Catherine the Great

“…In 1787 Pyotr Borisovich Sheremetev described the objects in the Catherine II's Chinese Mezzanine of the Hermitage as "like a museum…decorated with taste and opulence and they contain a lot of rarities, especially Chinese items." 6 These included lacquer chairs, painted screens, boxes inlayed with mother-of-pearl and tortoise shells, bronze figurines, fabric dolls and other objects. Also in the 1780s, Francisco de Miranda described the rooms at Catherine's Chinese palace in Oranienbaum: "the objects that decorate [the rooms] were brought directly from China and this is why they are interesting."…”