Journal
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
Volume 165, Issue 7-8, Pages 1577-1586Publisher
SPRINGER
DOI: 10.1007/s12010-011-9377-x
Keywords
Gynura procumbens (Lour.) Merr; Proteomics; Leaf extract; Protein profiling; Miraculin
Funding
- Universiti Sains Malaysia [1001/PFARMASI/815034]
- Institute for Graduate Studies
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Gynura procumbens (Lour.) Merr. is a traditionally used medicinal plant to decrease cholesterol level, reduce high blood pressure, control diabetics, and for treatment of cancer. In our present study, a proteomic approach was applied to study the proteome of the plant that had never analyzed before. We have identified 92 abundantly expressed proteins from the leaves of G. procumbens (Lour.) Merr. Amongst the identified proteins was miraculin, a taste-masking agent with high commercial value. Miraculin made up similar to 0.1% of the total protein extracted; the finding of miraculin gave a great commercial value to G. procumbens (Lour.) Merr. as miraculin's natural source is limited while the production of recombinant miraculin faced challenges of not being able to exhibit the taste-masking effect as in the natural miraculin. We believe the discovery of miraculin in G. procumbens (Lour.) Merr., provides commercial feasibility of miraculin in view of the availability of G. procumbens (Lour.) Merr. that grow wildly and easily in tropical climate.
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