Table 1 Oils and mediums used in this study
Oils and mediums | Characteristics |
|---|---|
Oils | |
Blending oils | 8 kinds of vegetables oils (soybean oil, rapeseed oil, sunflower seed oil, peanut oil, rice oil, corn oil, sesame oil, flaxseed oil), sold by Yihai Kerry Food Marketing Co., Ltd. |
Peanut oil | Pressed from peanuts with proprietary technology, sold by Shandong Luhua group Co., Ltd. |
Sesame oil | pressed from sesame with special procession, sold by Shanghai Taitaile Food Co., Ltd. |
Mediums | |
Basal medium | MRS medium |
Mineral medium | Basal medium without yeast extract, beef extract, peptone extract and phytone |
Screening medium | Glucose was replaced by 20 g/L blending oils in MRS medium |
B-screening medium | Mineral medium with 20 g/L blending oils |
P-screening medium | Mineral medium with 20 g/L peanut oil |
S-screening medium | Mineral medium with 20 g/L sesame oil |