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Amylase 생산세균 및 생산능의 촉진조건에 관한 연구 1

Studies on amylase producing bacteria and its stimulation (I); Isolation, enzyme activity and additional effects of natural substances

미생물학회지 1969년 7권 2호 p.86 ~ 90
이두영,
소속 상세정보
이두영 (  ) - 한국발효화학연구소

Abstract


1. Amylase producing bacteria have been isolated from natural sources and was identified out. The above strain is identical to Bacillus subtillis in every details of physiological and morphorogical characteristics by this investigations. 2. Silkworm chrysalis and chlorella extracts are prove to be further effective for the stimulation of amylase production than any other sources. The former silkworm extract is more stronger in its activity. 3. It is found that effective results had been accepted by a less soybean meal addition per that of wheat bran in the mixture ratio of them, also less addition of corn is needed in the mixture ratio of between corn and wheat bran. In the mixing ratio of wheat bran per silkworm or chlorella extracts, the addition of wheat bran is necessary for stimulation of amylase production. 4. Fro the stimulation of amylase production, the effective substances from natural sources and its order of activity in cultral media is proved as follows, silkworms ext.>chlorella ext.>alcohol>skim-milk and peptone>fermented milk>radish leaf ext.

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