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Enzymatic browning of straw mushroom, Volvariella volvacea.

by Suen Tsang. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1999. / Includes bibliographical references (leaves 96-103). / Abstract also in Chinese. / Chapter Chapter 1: --- Literature review --- p.1 / Chapter 1.1 --- "Straw mushroom, Volvariella volvacea" --- p.1 / Chapter 1.2 --- Problems which restrict the market of straw mushroom --- p.3 / Chapter 1.3 --- Non-enzymatic browning --- p.5 / Chapter 1.4 --- Enzymatic browning --- p.7 / Chapter 1.5 --- Impact of browning --- p.12 / Chapter 1.6 --- Mechanism of inhibition of PPO --- p.13 / Chapter 1.7 --- Sulfites --- p.13 / Chapter 1.8 --- Classification of PPO inhibitors based on chemical property --- p.14 / Chapter 1.9 --- Classification of PPO inhibitors based on inhibitory mechanism --- p.17 / Chapter 1.10 --- Physical methods for prolonging shelf-life --- p.18 / Chapter 1.11 --- Significance of this research --- p.20 / Chapter Chapter2: --- Characterization of PPO in straw mushroom --- p.21 / Chapter 2.1 --- Introduction --- p.21 / Chapter 2.2 --- Materials and Methods --- p.22 / Chapter 2.2.1 --- PPO content in straw mushroom compared to other food sources: potato and pear --- p.22 / Chapter 2.2.2 --- "Optimal pH, enzyme kinetics and localization of PPO in straw mushroom" --- p.24 / Chapter 2.2.3 --- PPO isoenzymes in straw mushroom --- p.25 / Chapter 2.3 --- Results --- p.29 / Chapter 2.3.1 --- PPO content in straw mushroom compared to other food sources: potato and pear --- p.29 / Chapter 2.3.2 --- "Optimal pH, enzyme kinetics and localization of PPO in straw mushroom" --- p.29 / Chapter 2.3.3 --- PPO isoenzymes in straw mushroom --- p.32 / Chapter 2.4 --- Discussion --- p.43 / Chapter Chapter3: --- Several attempts to solve browning problem of straw mushroom --- p.55 / Chapter 3.1 --- Inhibitors of PPO in straw mushroom --- p.55 / Chapter 3.1.1 --- Investigation of inhibitors of PPO in straw mushroom --- p.55 / Chapter 3.1.1.1 --- Materials and methods --- p.55 / Chapter 3.1.1.2 --- Results --- p.56 / Chapter 3.1.2 --- The potential of using a combination of different PPO inhibitors --- p.58 / Chapter 3.1.2.1 --- Materials and methods --- p.58 / Chapter 3.1.2.2 --- Results --- p.59 / Chapter 3.1.3 --- Direct application of PPO inhibitors --- p.61 / Chapter 3.1.3.1 --- Materials and methods --- p.61 / Chapter 3.1.3.2 --- Results --- p.62 / Chapter 3.1.4 --- PPO and lipase content in straw mushroom under post harvest storage --- p.62 / Chapter 3.1.4.1 --- Materials and Methods --- p.74 / Chapter 3.1.4.2 --- Results --- p.75 / Chapter 3.2 --- Vacuum packaging --- p.75 / Chapter 3.2.1 --- Materials and methods --- p.75 / Chapter 3.2.2 --- Results --- p.78 / Chapter 3.4 --- Discussion --- p.78 / Chapter Chapter 4: --- Future work --- p.87 / Chapter 4.1 --- Suggested improvements of experiments --- p.87 / Chapter 4.2 --- Suggested experiment in future: application of calcium chloride --- p.88 / Chapter Chapter 5: --- Conclusion --- p.94 / References --- p.96

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_322782
Date January 1999
ContributorsSuen, Tsang., Chinese University of Hong Kong Graduate School. Division of Biology.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xi, 103 leaves : ill. (some col.) ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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