Stiina Kotiranta

The antibacterial property of food packaging is very important for food safety (Riahi et al., 2023, Zhen et al., 2021). Biobased materials for food packaging have been extensively investigated to ensure the fresh nutrition and preservation of food and to reduce petroleum-based plastic pollution (Atta et al., 2022, Bi et al., 2021, Lai et al., 2021).

UVA light has been shown to increase secondary metabolite activity in many plants, and this is also the case with cannabis. The most important secondary metabolites from a cannabis grower’s perspective are cannabinoids such as THC and CBD, as well as terpenes which give cannabis its distinctive aroma. Short wavelength irradiation, such as UVA and blue light, trigger the plant’s stress response system and the plant starts to protect itself from the abiotic stress i.e. short wavelength irradiation.