Product Introduction of Gardenia Blue Powder:
Gardenia Blue, a natural food pigment, is got from the gardenia (Gardenia jasminoides ELLIS) fruit of madder family by biological fermentation.
Gardenia Blue natural dye is made from the seeds of the cape jasmine, gardenia jasminoides. Gardenia seeds have been used for centuries as a yellow dye in East Asia, and in the 1980s Japanese scientists discovered that they would also produce a blue pigment if they were fermented with a natural amino acid. This process was recently improved when scientists identified some naturally heat-resistant amino acids, which made it possible to produce even darker, more concentrated gardenia seed extractions. Use at 10% weight-of-fabric on fibers mordanted with alum.
Product Specification of Gardenia Blue Powder:
| 分析项目 | 规格 | 测试方法 |
| 身份验证 | 积极的 | TLC |
| 外观和颜色 | 蓝色细粉 | 视觉 |
| 提取方法 | 水醇 | / |
| 提取溶剂 | 谷物酒精/水 | / |
| 水分含量 | NMT 5.0% | 5 克/105℃/2 小时 |
| 灰分含量 | NMT 5.0% | 2g / 525℃ / 3 小时 |
| 重金属 | NMT 10ppm | 原子吸收 |
| 砷（As） | NMT 1ppm | 原子吸收 |
| 镉 (Cd) | NMT 1ppm | 原子吸收 |
| 汞（Hg） | NMT 0.1ppm | 原子吸收 |
| 铅 (Pb) | NMT 3ppm | 原子吸收 |
| 菌落总数 | NMT 10,000cfu/g | |
| 酵母和霉菌总量 | NMT 1,000cfu/g | |
| E.大肠杆菌 | 阴性 | |
| 沙门氏菌 | 阴性 | |
| 葡萄球菌 | 阴性 | |
| 黄曲霉毒素 | 0.2ppb |
产品功能和应用 ：
栀子蓝色粉末颜料广泛应用于罐头、果胶、琼脂、布丁、麻糖、饼干、松糕、蛋糕预制粉、奶油、冰淇淋、乳制品、蔬菜、绿豆等罐头食品的蓝色着色剂。
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