扎染古称“绞缬（xié）”，是中国古老的纺织品染色技艺，充满智慧的古人很早就开始使用植物染色。在自然界，有很多植物可以用作蓝色的染料，其中最有名的就是板蓝根，板蓝根的叶子经过发酵、氧化后，便形成了一种叫靛花的漂浮物，比蓝色的染液更鲜亮，正所谓“青出于 ...

The main concern related to oxidative permanent colouring is the risk of irritation and allergic reactions. Hair dye residues ...

Natural dye textile artistry is the process of coloring fabrics with dyes derived from plants, minerals, and even insects.

Red 3, derived from petroleum, has been linked to cancer and behavioral problems, but is widely used by US food manufacturers ...

A study published in the journal Optica demonstrates live plant imaging of several representative plant samples, including the biofuel crop sorghum. By employing a novel detector, researchers obtained ...

The company at the center of a deadly plant explosion in Louisville has confirmed plans to open a new site in Reading, Ohio.

In Los Angeles and beyond, artists like Ron Finley are transforming plants, soil, and seeds into powerful statements on ...

Extracted from the reddish pulp of the oil palm fruit, palm oil is rich in vitamin E and beta-carotene, the pigment ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

A Little Boy Found a Strange Stone on the Beach. Archaeologists Told Him It Was a Neanderthal's Hand Ax ...

They’re the bestselling potted plants in both the United States and Canada. They’ve become a part of our Christmas traditions ...

A red food dye prevalent in candies, drinks and other products could soon be banned in the United States if federal regulators side with a petition that is under review. The Food and Drug ...