久久久www成人免费精品,美女裸体自慰在线观看,久久精品无码一区二区三区免费,欧美三根一起进三p

天然色素

一、 Product information:


Product Name

Purple sweet potato color

Product source

It is made from the tuber root of sweet potato, a plant of Convolvulaceae, by extraction and refining.

Product characteristics

Red to purple black powder; Soluble in water, the solution is red to red purple; Under acidic conditions (pH 2.0-4.0), the light and heat stability is good, and the color tone changes from red to blue with the increase of pH.

Standard

GB1886.244-2016

Storage method / shelf life

Store in a dark, cool and dry place after sealing / 12 months

 

二、Product specification:


E1% 1cm10—E1% 1cm45 powder

E1% 1cm5—E1% 1cm20 liquid

 

三、Product information:


1、The unique patented technology of our company is adopted to remove the impurities in the original crude extract, which greatly improves the purity of the product;

2、Compared with similar products, it has excellent water solubility and excellent photothermal stability;

3、During the production process, odor substances affecting the sensory quality of the product are separated, and the resulting product has no bad odor and odor.

 

四、 Product appearance and application cases:

1.jpg

Purple sweet potato colorE45


2.jpg

甘薯紅E45  


3.jpg

0.1‰溶液(pH3.0)

4.jpg

紫甘薯色素在不同pH下應(yīng)用效果圖