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Effect Of Dried Mushroom Powder On Thiol Content In Lyophilized And Native Bovine Myofibrillar Protein, Allany Chayasing
Effect Of Dried Mushroom Powder On Thiol Content In Lyophilized And Native Bovine Myofibrillar Protein, Allany Chayasing
Food Science (MS) Theses
Thiol oxidation can form disulfide bonds that modify protein conformations, resulting in lower free thiol content. The effect of dried (lyophilized and oven-dried) mushroom powder (Agaricus bisporus or Pleurotus ostreatus) added to bovine lyophilized and native myofibrillar proteins (MP) on thiol oxidation was investigated. Mixtures of 10mg/mL MP with 0.1% and 0.2% mushroom powder in 0.3M NaCl were stored at 2ºC and 80 ºC for 10 days. Oven-dried A. bisporus had higher Folin-Ciocalteu reducing capacity at 8.05±0.71 gallic acid equivalent (GAE) mg/g compared to 4.97±0.20 GAE mg/g oven-dried P. ostreatus. Lyophilized P. ostreatus contained 164% more ergothioneine than …