Isolation of lactobaciulus
Como isolar, separar lactobacilo
qué se necesita ?
- Principles of the Procedure Oxbile is used as a selective agent for the isolation of Gram-negative microorganisms, inhibiting Gram-positive bacteria.
The major composition of Oxbile is taurocholic and glycocholic acids.
Bromocresol purple (BCP) or 5',5"-dibromo-o-cresolsulfophthalein, is a pH indicator. In its sultone form, it has a pKa value of 6.3, and is usually prepared as a 0.04% aqueous solution. Bromocresol purple (pH indicator) below pH 5.2 above pH 6.8 5.2 ⇌ 6.8 Uses
Besides its primary function as an indicator, bromocresol purple is used in medical laboratories to measure albumin, and as an addition to acid stop baths used in photographic processing as an indicator that the bath has reached neutral pH and needs to be replaced.
pep·tone (pĕp′tōn′)n. Any of various water-soluble protein derivatives obtained by partial hydrolysis of a protein by an acid or enzyme during digestion and used in culture media in bacteriology.