国产在线www丨中文字幕一区二区三区在线播放丨男女啪啪120秒丨狠狠色噜噜狠狠狠合久丨成人在线观看免费丨精品少妇theporn丨日本大胆欧美人术艺术丨四色最新网址丨日韩在线视频一区二区三丨国产精品手机视频丨亚洲欧美日韩中文播放丨免费a级片在线观看丨无码福利写真片在线播放丨人妻无码vs中文字幕久久av爆丨欧美一级二级在线观看丨观看免费av丨超碰在线97国产丨www.av成人丨婷婷爱五月丨成人一级网站

Natural Colors

1.Product information:


Product Name

Gardenia blue

Product source

Gardenia fruit was used as raw material and processed by extraction, refining and drying.

Product characteristics

Dark blue powder, easily soluble in water, insoluble in oil, bright blue in aqueous solution, color tone is not affected by pH, strong dyeing power to protein and general photostability.

Standard

國家標準

Storage method / shelf life

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


2.Product specification:


E1% 1cm30—E1% 1cm150 powder. In addition to conventional products, it can provide dark blue, sky blue and purple blue products; It can provide products with good acid resistance (no precipitation at pH 2.5) and good light resistance.


3.Product indroduction


Gardenia blue is made by using the geniposide in the gardenia fruit through enzymatic hydrolysis, fermentation, refining and other processes. Dark blue powder, easily soluble in water but insoluble in fat. The aqueous solution is bright blue, the hue is not affected by pH, the hue is stable at pH 4.0-10.0, precipitation is prone to occur at pH <3.0 (normal), and the pH 2.5-4.0 does not precipitate (acid resistance). It has strong staining power to protein and general light stability.



Features:

Strong acid resistance

4.Product appearance and application cases: