Effect of pH on Binding of Mutagenic Heterocyclic Amines by the Natural Biopolymer Poly(γ-glutamic acid)
✍ Scribed by Inbaraj, B. Stephen; Chiu, C. P.; Chiu, Y. T.; Ho, G. H.; Yang, J.; Chen, B. H.
- Book ID
- 127143988
- Publisher
- American Chemical Society
- Year
- 2006
- Tongue
- English
- Weight
- 144 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0021-8561
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## Abstract The naturally occurring edible biopolymer poly(__γ__‐glutamic acid) (__γ__‐PGA) is shown to be an efficient chelating agent of vanadium(IV). The structure of poly(__γ__‐glutamic acid)oxovanadium(IV) (VO‐__γ__‐PGA) complex in solution has been analyzed by electron spin resonance and UV‐v
Bacillus licheniformis ATCC 9945A was grown on Medium E in batch fermentations in which the pH was maintained at 5. 5, 6.5, 7.4, and 8.25. The effects of pH on cell growth, carbon source utilization, and y-polyglutamic acid (y-PGA) production, molecular weight, and polymer stereochemistry were deter