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Abstract
Tomato is one of the most common vegetable crops, the fruits of which are characterized by high organoleptic and taste properties, the content of biologically valuable nutrients and are used for various types of processing. In recent years, in connection with the interest of consumers in a healthy lifestyle, the need for high-quality and useful food products is growing. Such products include sun-dried tomatoes, which contain a significant amount of vitamins and mineral compounds that have powerful antioxidant properties. The article presents the results of research into the quality of fresh fruits and dried tomato products of six hybrids of different types: two hybrids are plum-like and four are cherry-type (Lycopersicon esculentum Var. Cerasiforme). It has been established that when using cherry tomato hybrids for low-temperature drying (withering), it is possible to obtain 13.0–14.1 % of dry products with a sugar content of 50.8–55.9 % and vitamin C 28–30 mg/100 g, and the plum type – 12.0–12.2, 40.2–41.3 % and 37.8–40.2 mg/100 g, respectively. To produce 1 kg of dried products, 8.1–8.3 kg of fresh plum tomatoes and 7.2–7.4 kg of cherry tomatoes are required. It was found that with an increase in the mass of tomato fruits, the content of dry soluble matter (r= -0.89), the sugar-acid ratio (r= -0.88), their tasting evaluation (r= -0.91) and yield of finished products (r= -0.82). A significant inverse relationship was established between the content of dry soluble matter and vitamin C (r= 0.84), as well as the content of dry soluble matter and the amount of waste during the preparation of raw materials for drying (r= -0.89). The materials of the article are of practical value for vegetable growers, breeders, specialists of processing enterprises when choosing a type and hybrid of a tomato for withering (drying).
Keywords: tomato, hybrid, type, fruit, quality, biologi
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