2. 2. Extraction
After the fermentation, the microorganisms(Alcaligenes latus) are filled with PHB in their body. These PHBs have to be separated from microorganisms to make final product. To separate PHBs from biomass, they are extracted from biomass by using solvent. These PHB extracted solvent will experience washing and drying process. After that, PHB can be precipitated as white powder.
fermentation of the food debris accumulated on the tooth surface. (위키피디아)
Dental caries, also known as tooth decay, is the destruction of the outer surface (enamel) of a tooth. (ADA)
a reversible multifactorial process of tooth demineralization and remineralization.
2. 치아우식증의 분류
(1) 발생부위에 따른 분류
① 소와열구우식증
② 평활면우식
Motivation
The reason of selecting this topic.
Kimchi is one of the most friendly foods to Koreans.
But many people don’t know about the detail fermentation process that occurs when making Kimchi.
Makgeolli
If you want to make Makgeolli, there are three ingredients are needed: Streamed grain, Nuruk and Water.
I will explain Nuruk for you in detail. Yeast is called Nuruk in Korea.
Nuruk is made from wheat. First mash the wheat and mix it with water and step on it to make no air in Nuruk. And left them 10days. You should keep them at 25도씨. And it will be fermented.