微生物生物颜料的生产由Rhodotorula sp. 使用园艺废物;其功能,稳定性和应用
Shubham Mahajan1, Pooja Nikhanj1, Arashdeep Singh2
1Department of Microbiology, Punjab Agricultural University, Ludhiana, Punjab 141004 India.
Indian journal of microbiology
|November 3, 2025
概括
马废物有效地支持Rhodotorula酵母的生长,用于生物颜料的生产. 这项研究表明,使用农业废物作为人工食品染料的可持续替代品,是一种具有成本效益的方法.
科学领域:
- 生物技术是生物技术.
- 微生物学 微生物学
- 食品科学 食品科学 食品科学
背景情况:
- 农业废物,特别是土豆废物,具有丰富的营养特征,适合微生物培养.
- 由于健康和环境问题,天然生物颜料作为合成食品颜料的替代品的需求越来越大.
- 罗多托鲁拉 (Rhodotorula sp.) 是一种的植物. 是一种酵母,以其产生有价值色素的能力而闻名,特别是胡卜素.
研究的目的:
- 评估园艺废物作为由Rhodotorula sp.生产生物颜料的成本效益高的媒介. 在 MTCC 1446 中.
- 优化土豆废物的度和生长条件,以提高生物质和生物颜料产量.
- 描述产生的生物颜料,并评估其稳定性和在食品中的应用潜力.
主要方法:
- 对各种园艺废物进行近距离分析,以确定最适合的基板 (土豆废物).
- 优化土豆废弃物度和标准化生长参数 (pH,温度,化时间,DAHP添加) 使用响应表面方法.
- 生物质和生物颜料量化,颜料特性 (抗微生物,抗癌,抗氧化,热稳定性,紫外线/阳光稳定性) 的表征,以及在食品中的应用测试.
主要成果:
- 马废料显示了Rhodotorula sp.的最佳营养含量. 增长. 增长. 增长. 这就是增长.
- 优化条件 (pH 7.0,30°C,66h,362.5g DAHP) 产生了34.60g/L生物质和3345.82μg/g生物色素,在3L尺度上得到验证.
- 产生的胡卜素生物颜料表现出抗微生物,抗癌,抗氧化特性,温度稳定性高达70°C,在紫外线/阳光下稳定4小时. 它在食品中的使用增强了营养价值和外观.
结论:
- 马废物是使用Rhodotorula sp.生物颜料生产的可行和经济的基质.
- 优化的发酵条件显著提高了生物质和生物颜料产量.
- 具有特征的生物颜料作为人工食品颜色的有希望的天然替代品,提供健康益处和改善食品质量.
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