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Sökning: WFRF:(Andersson Susanne) > Högskolan Kristianstad

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  • Wendin, Karin, et al. (författare)
  • Insects as food : a pilot study for industrial production
  • 2019
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • Despite the many papers reporting on disgust factors of eating insects in Western cultures, the interest of insects as food is increasing, not least because they are nutritious, sustainable and tasty! The time has come to take the next step by making insects available not only as delicious restaurant food, but also for industrial production of foods and meals based on insects. The sensory attributes are of greatest importance to increase understanding of insects as a main ingredient in production and shelf life.   By the use of factorial designs with mealworms as main ingredient, the aim was to evaluate the sensory impact of additions such as salt, oil/water and antioxidant agent. Also the impact of particle size of the mealworms was evaluated. Cooked fresh mealworms cut or ground into different particle sizes, oil, water, salt and rosemary were blended according to a factorial design. The resulting products were evaluated by descriptive sensory analysis in addition to instrumental measurements of viscosity and colour. Nutritional contents were calculated.  Results showed that particle size of the mealworms had a great impact, ie an increased particle size increased the yellowness and the perceived coarseness. Further, both viscosity and crispiness increased. An increased particle size also meant a decreased odour, probably due to decreased exposure of particle surface. Increased salt content did, as expected, increase saltiness. It also increased the nutty flavour, probably due to the polarity of Sodium Chloride. Different ratios of oil/water did not seem to impact the sensory properties. With reference to the anti-oxidative effects of carnosic acid and carnosol, addition of rosemary had a significant impact on shelf life in terms of decreased rancidity and colour changes. All samples were high in protein content.   All factors, but especially particle size of the mealworm fraction, influenced the sensory attributes.
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  • Wendin, Karin, et al. (författare)
  • Mealworm (Tenebrio molitor) as a sustainable ingredient in crisps and pâtes. Sensory characterisation and consumer liking
  • 2021
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • Sustainable food with low environmental impact is of great importance. Insects are highly nutritious and has low effect on the environment. However, in western countries, insects as foods have a low acceptance. It is therefore of importance to process the insects into foods with familiar flavour and texture. To understand consumers’ perception, different types of common food products should be examined. Thus, in this study two widely different products are included, crisps and pâtés with added mealworm ingredient. The aim of this study was to evaluate sensory perception and consumers’ attitude and liking of products with different textures, crisps and pâtés, with added mealworm ingredient. Two types of products differing largely in texture properties were produced: crisps (crispy) and pâtés (soft). Three varieties of each product type were produced, containing mealworm flour in the amounts of 0%, 10% and 30%, respectively.  Adding mealworms in the crisps increased brittleness and darkness. Adding mealwormsto pâté increased flavours of cinnamon and pepper as well as oily texture. There was no significant difference in total liking between 10 and 30% addition of mealworm, nor between 0 and 10%, in any of the two products. The crisps received higher liking score than the pâtés. 85% of the consumers indicated their interest in buying food products based on insects. However, a large majority, 90%, were interested in buying crisps, while only 30% showed interest in buying the pâté. This clearly points out the importance of sensory aspects in liking and consideration of buying products with added mealworms.  In conclusion: Mealworm ingredient could be used in products differing in textures, addition of mealworm had different impact on the sensory attributes in each of the product types. It was shown that environmental sustainability and sensory properties were the main reasons for buying foods with added insect ingredient.
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