Pichia pastoris yeast strains of enhanced tryptophan content
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United States of America Patent
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Nov 17, 1987
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N/A
app pub date -
Jul 19, 1984
filing date -
Jul 19, 1984
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Abstract
Mutant Pichia pastoris yeasts which produce relatively high levels of tryptophan. These high tryptophan capability Pichia pastoris mutants, grown on such as methanol or glucose, produce improved amino acid balance single-cell protein product reducing the need to supplement single-cell protein with tryptophan when used as food supplements.
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