DEVELOPMENT OF MILK SMOOTHIES WITH OAT AND BUCKWHEAT FLAKES AND FRUIT AND BERRY POWDERS
Abstract
More and more consumers prefer products and soft drinks made from natural ingredients with no added sugar. Smoothies, made mainly from various combinations of fruits, berries and vegetables with the addition of juices, yogurt, milk, etc., are gaining popularity among healthy eating advocates. However, fruits, berries and vegetables are seasonal products that lose nutrients during long-term storage. One of the ways to preserve the nutrients in fruit and berry raw materials is to process them into powder by means of freeze-drying. Such raw materials can be used in the production of food products and soft drinks, as it not only enriches them with useful substances, but also gives them the taste and aroma of fresh fruits and berries, as well as the appropriate color. It is also promising to use oat and buckwheat flakes, which are a source of minerals and dietary fiber, in the production of soft drinks. The purpose of the research is to develop a smoothie based on cow's milk with the addition of oat and buckwheat flakes, as well as fruit and berry powders. The determination of physico-chemical indicators of the smoothies was carried out using standard methods, and sensory parameters were determined using an expert method. Compositions of smoothies based on cow’s milk with oat and buckwheat flakes, as well as freeze-dried fruit and berry powders have been developed. The organoleptic indicators (appearance, taste, color, consistency, smell) of the smoothies were evaluated and their main physicochemical properties were determined. It was found that the content of dry matter in smoothies varies between 20.29–21.26%, and the active acidity of pH 4.77–5.90. The content of nutrients in the smoothies is as follows: protein – 3.9–4.1 g/100 g; fat – 2.9–3.2 g/100 g; carbohydrates – 10.3–11.3 g/100 g. The energy value of the developed smoothies is within the range of 81.8–86.3 kcal/100 g. The developed smoothies expand the assortment of combined soft drinks (from raw materials of plant and animal origin) made from natural raw materials without added sugar. By using freeze-dried plant powders, the taste and aroma of the developed smoothies can satisfy the preferences of different consumer groups.
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