Cat. No. 1.03753.0500/5007/9027
(500 g, 5 kg, 25 kg)
Yeast extract
is obtained by aqueous extraction of autolyzed Baker's yeast (saccharomyces cerevisiae).
It has a high vitamin content and thus provides excellent growth conditions for
a number of microorganisms. It is usually added to culture media as a source of
vitamins at a concentration of about 3 g/liter.
Analysis
Nitrogen (calc. on dried substance):
³ 10.5%; coagulable protein: not detectable; sulfated ash (600°C): £
17%; phosphorus compounds (as Pb): £2.5%; heavy metals (Pb):
£0.005%; calcium: £0.05%; magnesium:
£0.10 %; loss on drying (50°C; 20 Pa; 3 h): £
5%; pH (2% solution): 5.5-7.0; chloride (as NaCl): £5.0 %.
