abstract |
The present invention relates to a bacterial cell, a bacterial cell culture or these extracts of Yarrowia lipolytica, and the above-mentioned yeast cell, bacterial cell culture or these extracts are characterized by containing L-hydroxyproline, For the total content (μg/mL) of L-proline (Pro) and L-hydroxyproline (Hyp), the ratio of the content (μg/mL) of L-hydroxyproline (100×Hyp/ (Pro+Hyp)) is 35~100 yeast cells, cell cultures or these extracts. |