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  • Title: Fruiting-body-base flour from an Oyster mushroom waste in the development of antioxidative chicken patty.
    Author: Wan-Mohtar WAAQI, Halim-Lim SA, Kamarudin NZ, Rukayadi Y, Abd Rahim MH, Jamaludin AA, Ilham Z.
    Journal: J Food Sci; 2020 Oct; 85(10):3124-3133. PubMed ID: 32860235.
    Abstract:
    In a commercial oyster mushroom farm, from 300 g of the total harvest, only the cap and stem of the fruiting body parts are harvested (200 g) while the unused lower section called fruiting-body-base (FBB) is discarded (50 g). A new antioxidative FBB flour (FBBF) conversion to mixed-ratio chicken patty was recently developed which converts 16.67% of FBB into an edible flour. At the initial stage, pretreatments of FBBF were optimized at particle size (106 µm) and citric acid concentration (0.5 g/100 mL) to improve flour antioxidant responses. Such pretreatments boosted total phenolic content (2.31 ± 0.53 mg GAE/g) and DPPH (51.53 ± 1.51%) of pretreated FBBF. Mixed-ratio chicken patty containing FBBF (10%, 20%, 30%) significantly (P < 0.05) influenced the hardness, cohesiveness, springiness, and chewiness of the patties. However, only the hardness and chewiness increased proportionally with the increase FBBF in concentration. Notably, 60 panellists considered that 10% FBBF-chicken patty sensory attributes, including lightness, redness, and yellowness, is acceptable to consumers. This information could be used to market any type of commercial mushroom farm waste as alternative food products. PRACTICAL APPLICATION: This study shows that unused harvested mushroom waste from a local farm can be used to make an antioxidative chicken patty that is acceptable to consumer panellists. The converted mushroom waste into flour suggests that smaller particles and citric acid pretreatment can increase its nutritional value. This information can be used for waste conversion into new product development from any type of mushroom farm.
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