植物乳杆菌J26对蓝莓酒品质的影响
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(东北农业大学食品学院 乳品科学教育部重点实验室 哈尔滨 150030)

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黑龙江省“双一流”学科协同创新成果建设项目(LJGXCG2022-021)


Effects of Lactobacillus plantarum J26 on the Quality of Blueberry Wine
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(Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University,Harbin 150030)

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    摘要:

    以蓝莓汁为原料,接种植物乳杆菌J26(原植物乳杆菌NDC75017、TD109、LJ26)预发酵后,利用酿酒酵母发酵蓝莓酒,采用pH计法、直接测定法、分光光度法和高效液相色谱法分析植物乳杆菌+酵母发酵组、酵母发酵组和市售蓝莓酒的pH值、总酸、糖度、酒精度、总酚以及花青素含量,确定添加益生菌预发酵对蓝莓酒品质的影响。结果表明,添加益生菌预发酵后的蓝莓酒,pH值、总酸、糖度和酒精度均在国家标准规范围。在25 d的发酵时间里,其总酚含量下降至8 010.21 mg/L,显著高于酵母发酵组;植物乳杆菌+酵母组的花青素在发酵时期含量保持稳定,发酵末期花青素含量显著高于酵母发酵组(7 200.65 mg/kg)。在后发酵结束后,植物乳杆菌+酵母发酵组蓝莓酒中J26活菌数可达9.3×106 CFU/mL。本研究通过添加益生菌预发酵得到的蓝莓酒总酚、花青素含量丰富,且具有一定数量的益生菌,可赋予蓝莓酒一定的益生功能,有助于提高蓝莓酒的品质。

    Abstract:

    Blueberry juice was inoculated with Lactobacillus plantarum J26 (original Lactobacillus plantarum NDC75017, TD109, LJ26) and then fermented with saccharomyces cerevisiae. The pH value, total acid, sugar content, alcohol content, total phenol and anthocyanin contents of Lactobacillus plantarum + yeast fermentation group, yeast fermentation group and commercial blueberry wine were analyzed by pH meter, direct determination method, spectrophotometry and high-performance liquid chromatography to determine the effect of pre-fermentation with probiotics on the quality of blueberry wine. The results showed that the pH value, total acid, sugar content and alcohol content of blueberry wine after pre-fermentation with probiotics were all within the national standard range. During the fermentation time of 25 days, the total phenol content decreased to 8 010.21 mg/L, which was significantly higher than that of yeast fermentation group. The anthocyanin content in Lactobacillus plantarum + yeast group remained stable during fermentation, and the anthocyanin content at the end of fermentation was significantly higher than that in yeast fermentation group (7 200.65 mg/kg). After post-fermentation, the number of J26 viable bacteria in blueberry wine in Lactobacillus plantarum + yeast fermentation group could reach 9.3×106 CFU/mL. In this study, the blueberry wine obtained by pre-fermentation with probiotics was rich in total phenols and anthocyanins, and had a certain amount of probiotics, which could give blueberry wine certain probiotic functions and help improve the quality of blueberry wine.

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梁雅琪,程莎莎,丁弋芯,苏悦,鲁杏茹,张宇,满朝新,姜毓君.植物乳杆菌J26对蓝莓酒品质的影响[J].中国食品学报,2024,24(8):259-267

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  • 收稿日期:2023-08-24
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  • 在线发布日期: 2024-09-26
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