Application of Royal Jelly Fermented by Lactic Acid Bacteria in the Preparation of Innate Immunity Activator
A technology of lactic acid bacteria fermentation and natural immunity, applied in the direction of bacteria, application and fermentation used in food preparation, can solve problems such as the actual situation is unknown, and achieve the effect of excellent natural immunity promotion effect.
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Embodiment 1
[0119]
[0120] In a 300mL Erlenmeyer flask with a baffle, put 100mL of 1% glucose, 1% yeast extract liquid medium (pH 7.2) and 1mL of 10% manganese yeast liquid, cover with a gas-permeable A silicone cap (SILICOSEN (registered trademark)) was autoclaved at 121° C. for 15 minutes to prepare a liquid medium.
[0121] 50 μL of glycerol-preserved NBRC12005 strain was added to the liquid medium, and static culture was carried out at 30° C. for one day. Thereafter, 3 mL of the culture solution of the NBRC12005 strain was added to the liquid medium prepared in the same manner as above, and static culture was performed at 30° C. for 1 day to perform pre-culture of the NBRC12005 strain.
[0122]
[0123] Into a 5L-capacity mini-fermenter made by MBS Corporation, put 3L of liquid medium (pH7.2) containing 1% glucose, 1% yeast extract, and 1mL of 10% manganese yeast liquid, and perform hot pressing at 121°C for 20 minutes instrument sterilization. 75 mL of a 40% sodium glutamate m...
reference example 1
[0144] Yeast β-glucan manufactured by Oriental Yeast Co., Ltd. was used, and wakame sporophyll fucoidan was manufactured by Riken Vitamin Co., Ltd., and the innate immunity promoting effect was measured in the same manner as in Example 1 and Comparative Example 1. The results are shown in Table 1, figure 1 shown.
Embodiment 2
[0153] [Isolation of active ingredient of innate immunity activator]
[0154] (1) Preparation of hot water extract
[0155] 50 mL of 0.9% NaCl aqueous solution was added to 10 g of powder of the "innate immunity activator derived from royal jelly" obtained in Example 1, and a 200 mg / mL suspension was prepared. Then, it heated at 121 degreeC for 20 minutes using the autoclave. After cooling the suspension, 48 mL of supernatant (hot water extract fraction) was obtained by centrifugation at room temperature at 8000 rpm for 5 minutes using a high-speed centrifuge (Tianli Koki CR-21, rotor R10A2). Thereafter, the centrifuged supernatant was dispensed by 16 mL, 99.5% ethanol was added by 32 mL each, stirred well, and centrifuged at room temperature at 8000 rpm for 5 minutes to obtain 1.5 g (dry weight) of a white precipitate (ethanol precipitated fraction). 400 mg of the precipitate was dissolved in 8 mL of 10 mM Tris-HCl buffer (pH 7.9), and the supernatant was collected by cent...
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