Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"polyphenol oxidase activity"”.
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Characterization of Hulled and Hulless Winter Barley, Hordeum vulgare L., Through Traditional Breeding and Molecular Techniques
… heading date, test weight, yield, grain protein, polyphenol oxidase activity, and resistance to leaf rust, powdery mildew, net blotch, and spot blotch. Novel QTL also were identified for agronomic, quality, and disease resistance traits. These SNP-trait associations provide the opportunity to …
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Ultrasonic cutting of cheese and apples -- effect on quality attributes during storage
… period of two weeks. A significant difference in polyphenol oxidase activity and pH levels was found between samples cut with and without ultrasound. The L (lightness) values of apples cut with ultrasound were significantly higher than that in the Control. Furthermore, both types of apples cut …
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Seed ecophysiology and plant population ecology of Cynoglossum officinale L. and Tragopogon spp.
… substances and seed extracts showed high polyphenol oxidase activity. The seed coat also prevented leaching of phenolic substances, which however, were not necessary for seed germination. Rosmarinic acid, the mostprominent phenolic substance present in the seeds of C.officinale, did not …
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Interactions of food proteins with plant phenolics – modulation of structural, techno- and bio-functional properties of proteins
… susceptible to oxidation by enzymes specially, polyphenol oxidase (PPO) and at alkaline conditions. Both enzymatic and non-enzymatic oxidations occur in the presence of oxygen and produce quinone, which normally further react with other quinone to produce colored compounds (dimers), as well as …