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  • 1.
    Herdenstam, Anders P. F.
    et al.
    Örebro universitet, Restaurang- och hotellhögskolan.
    Kurtser, Polina
    Örebro universitet, Institutionen för naturvetenskap och teknik.
    Swahn, Johan
    Örebro universitet, Restaurang- och hotellhögskolan.
    Arunachalam, Ajay
    Örebro universitet, Institutionen för naturvetenskap och teknik.
    Nature versus machine: a pilot study using a semi-trained culinary panel to perform sensory evaluation of robot-cultivated basil affected by mechanically induced stress2022Inngår i: International Journal of Gastronomy and Food Science, ISSN 1878-450X, E-ISSN 1878-4518, Vol. 29, artikkel-id 100578Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    In this paper we present a multidisciplinary approach combining technical practices with sensory data to optimize cultivation practices for production of plants using sensory evaluation and further the how it affects nutritional content. We apply sensory evaluation of plants under mechanical stress, in this case robot cultivated basil. Plant stress is a research field studying plants' reactions to suboptimal conditions leading to effects on growth, crop yield, and resilience to harsh environmental conditions. Some of the effects induced by mechanical stress have been shown to be beneficial, both in futuristic commercial growing paradigms (e.g., vertical farming), as well as in altering the plant's nutritional content. This pilot study uses established sensory methods such as Liking, Just-About-Right (JAR) and Check-All-That-Apply (CATA) to study the sensory effect of mechanical stress on cropped basil induced by a specially developed robotic platform. Three different kinds of cropped basil were evaluated: (a) mechanically stressed-robot cultivated, (b) non-stressed -robot cultivated from the same cropping bed (reference); and (c) a commercially organic produced basil. We investigated liking, critical attributes, sensory profile, and the use of a semi-trained culinary panel to make any presumptions on consumer acceptance. The semi-trained panel consisted of 24 culinary students with experience of daily judging sensory aspects of specific food products and cultivated crops. The underlying goal is to assess potential market aspects related to novel mechanical cultivation systems. Results shows that basil cropped in a controlled robot cultivated platform resulted in significantly better liking compared to commercially organic produced basil. Results also showed that mechanical stress had not negatively affected the sensory aspects, suggesting that eventual health benefits eating stressed plants do not come at the expense of the sensory experience.

  • 2.
    Herdenstam, Anders P. F.
    et al.
    Örebro University School of Hospitality Culinary Arts and Meal Science, Grythyttan, Sweden.
    Kurtser, Polina
    Örebro University, The School of Science and Technology, The Life Science Center-Biology, Örebro, Sweden.
    Swahn, Johan
    Örebro University Grythyttan Campus, Grythyttan, Sweden.
    Arunachalam, Ajay
    Örebro University, The School of Science and Technology, The Life Science Center-Biology, Örebro, Sweden.
    Edberg, Karl-Magnus
    Örebro University School of Hospitality Culinary Arts and Meal Science, Grythyttan, Sweden.
    Nature versus machine: Sensory evaluation of robot-cultivated basil affected by mechanically induced stress2022Konferansepaper (Annet vitenskapelig)
    Fulltekst (pdf)
    Poster
  • 3.
    Seeburger, P.
    et al.
    School of Science and Technology, Örebro University, Örebro, Sweden.
    Herdenstam, Anders P. F.
    School of Hospitality, Culinary Arts and Meal Science, Örebro, Sweden.
    Kurtser, Polina
    Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Radiofysik. School of Science and Technology, Centre for Applied Autonomous Sensor Systems, Örebro University, Örebro, Sweden.
    Arunachalam, A.
    School of Science and Technology, Centre for Applied Autonomous Sensor Systems, Örebro University, Örebro, Sweden.
    Castro Alves, Victor
    School of Science and Technology, Man-Technology-Environment Research Centre, Örebro University, Örebro, Sweden.
    Hyötyläinen, Tuulia
    School of Science and Technology, Man-Technology-Environment Research Centre, Örebro University, Örebro, Sweden.
    Andreasson, Henrik
    School of Science and Technology, Centre for Applied Autonomous Sensor Systems, Örebro University, Örebro, Sweden.
    Controlled mechanical stimuli reveal novel associations between basil metabolism and sensory quality2023Inngår i: Food Chemistry, ISSN 0308-8146, E-ISSN 1873-7072, Vol. 404, nr Part A, artikkel-id 134545Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    There is an increasing interest in the use of automation in plant production settings. Here, we employed a robotic platform to induce controlled mechanical stimuli (CMS) aiming to improve basil quality. Semi-targeted UHPLC-qToF-MS analysis of organic acids, amino acids, phenolic acids, and phenylpropanoids revealed changes in basil secondary metabolism under CMS, which appear to be associated with changes in taste, as revealed by different means of sensory evaluation (overall liking, check-all-that-apply, and just-about-right analysis). Further network analysis combining metabolomics and sensory data revealed novel links between plant metabolism and sensory quality. Amino acids and organic acids including maleic acid were negatively associated with basil quality, while increased levels of secondary metabolites, particularly linalool glucoside, were associated with improved basil taste. In summary, by combining metabolomics and sensory analysis we reveal the potential of automated CMS on crop production, while also providing new associations between plant metabolism and sensory quality.

    Fulltekst (pdf)
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