Assertion: bromothymol blue | /r/CapableOf | change to yellow
Facets:
value: in case of alkalinization
type: TEMPORAL
value: in case of acid production
type: TEMPORAL
Source sentences:
text: Bromothymol blue is the indicator used in the agar, it changes to yellow in case of acid production during fermentation of lactose or changes to deep blue in case of alkalinization.