Fingered citron beer and brewing method thereof
A bergamot and beer technology, applied in the field of bergamot beer and its brewing, can solve problems such as difficulty in development and utilization, and achieve the effects of scavenging oxygen free radicals, promoting gastrointestinal motility, and promoting appetite
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Embodiment 1
[0020] (1) Growth of different yeasts in bergamot juice medium
[0021] Because bergamot contains bitter substances that can inhibit the growth of microorganisms, it is still unknown what effect it has on the growth and fermentation of yeast while it is used to give beer a bitter taste. Yeast strains grown and fermented in bergamot or bergamot-malt blends.
[0022] 15 strains of yeast were activated on a slant and then spotted on the agar plate of pure bergamot juice, cultured statically at 28°C, and the colony size of the strains was observed. The results were as follows: figure 1 shown; by comparison figure 1 According to the colony size before and after culture in the plate, it is found that pure bergamot juice has different effects on the growth of different yeasts, among which bacteria No. 1, 3, 4, 5, 7, 12 and 15 grow relatively well.
[0023] The whole wort with the same extract concentration and the mixed wort containing 10%, 20% and 30% bergamot juice were used for ...
Embodiment 2
[0042] The production fermentation of embodiment 2 bergamot beer
[0043] (1) Expansion of Saccharomyces cerevisiae (CGMCC No.6822)
[0044]1 ring of bacterial samples on the slant → 1 9mL wort test tube (28°C, 48 hours) → 24 9mL wort test tubes each connected with 1mL bacterial solution (25°C, 24 hours) → 2 wort test tube culture solution into 180mL wheat In the juice (23°C, 48 hours) → correspondingly connected to a 1.8-liter wort triangular flask (21°C, 36 hours) → the culture medium was settled in the refrigerator for 12 hours, the clear liquid was poured out, and the yeast sludge was set aside.
[0045] (2) Preparation of fermented wort
[0046] After crushing the barley malt, add water at 50°C according to the material-to-water ratio of 1:3.8, stir and keep warm for 50 minutes, raise the temperature to 63°C at a rate of 1°C / min and keep it warm for 1 hour, then continue to heat up to 72°C, add 0.02mol / L dilute iodine Test the iodine solution until the iodine solution d...
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