An analysis of the information contained in the scientific and technical literature shows the potential for the application of Paramecium caudatum culture to the first stage of pre-clinical evaluation of new sources of biologically active substances, functional ingredients and food products. The purpose of the work is to investigate the possibility of estimating the energy costs for digestibility of amaranth flour in a model experiment using Paramecium caudatum ciliates. The objects of the study were two samples of amaranth flour–from native amaranth grain of the Voronezh variety and from grain subjected to preliminary heat treatment (IR heating to a temperature of 100–150 °C for 30-50 sec). Experimental data have been obtained confirming the possibility of using test organism data in the pre-clinical evaluation of food and products: the control of the population size of Paramecium caudatum provides initial data for calculating such important indicators as biotic potential and standardized relative biological value, allowing for an indirect assessment of the energy costs of digesting a prototype (food raw materials or product) in comparison with the reference object. A comprehensive analysis of the experimental data obtained also leads to the conclusion that living systems can function with the use of the test samples. It has been established that the scope of the Paramecium caudatum test object in the preclinical evaluation of food raw materials and products can be expanded in the direction of estimating the energy costs of digesting food raw materials or products.

Modern interactive training tools can be used in training of forestry specialists. The presented article contains evidence of the need to improve the efficiency of the development of computer interactive tools based on specialized mathematical models, action algorithms and software tools that enables to create of scenarios for the development of various situations, to evaluate solutions for choosing methods and means of eliminating problems arising from the operation of feller buncher equipment. Six stages of developing an interactive training system are defined, each of which enables to solve several tasks to describe the training course presented in the game context on three levels-logical, extended and physical. A comparative characteristic of modern tools for developing an interactive learning system is presented. The main drawbacks of these development technologies include the difficulties that arise when the development environment is expanded, as well as the need to write a large amount of the program code of training medium and its script. The concept of quality control of training in the training of logging specialists is singled out, as the balance and integrity of the perception of the script and teaching elements. The article proposes an adaptive method that involves the use of two models of implementation: the model of the learner and the model of the course of knowledge. The learning process involves interaction of a developer of the computer learning material and a learner, each of which corresponds to a certain control loop of the learning process. A model is proposed that allows to carry out the analysis in the course of the work of the learning system that determines the parameters of the learner in order to manage the quality of his/her teaching and, accordingly, to change the sequence of studying the necessary teaching materials. As a result, software tools have been created to develop interactive training tools used in training forestry specialists.