Jan 11, 2019
The antioxidant active ingredients of plant extracts mainly include alkaloids, saponins, vitamins, polyphenols, polypeptides and polysaccharides. Most of these ingredients are extracted from grains, herbs, vegetables and fruits.
Dec 14, 2018
Because people often come into contact with the outside world, normal breathing, external pollution and radiation exposure can cause free radicals in the human body.
Dec 06, 2018
Solvent dyes are a class of dyes that are soluble in organic solvents. And the dye structure contains less or no hydrophilic groups, so the solvent dye is insoluble in water but soluble in different types of organic solvents.
Nov 18, 2018
Advantages of Reactive Dyes Since the reactive dye is composed of parent dye, linking group and active group, it can form a strong covalent bond with the fiber during dyeing, and so it has a series of characteristics unmatched by other cellulose fiber...
Nov 12, 2018
Definition of reactive dyes Reactive dyes are a new class of dyes. Molecules of reactive dyes contain groups that are capable of chemically reacting with the fibers.
Nov 05, 2018
Since biological samples are mainly composed of elements such as carbon, hydrogen, oxygen, nitrogen and so on.
Oct 26, 2018
What is Azoic Dyes Dyes having an azo group (-N = N-) structure in the molecular structure are collectively referred to as azoic dyes. Azoic dyes are the most widely used types of synthetic dyes, accounting for more than 50% of synthetic dyes.
Oct 16, 2018
Introduction of plant extracts A plant extract is refer to a substance containing an active ingredient extracted from natural plant.
Sep 26, 2018
This article mainly introduces the active ingredients, extraction methods and applications of plant extracts.
Sep 12, 2018
Plant extract, such as plant oil, is generally believed to inhibit the evaporation of water, rehydrate the dry skin and hardened cuticle, restore the softness and elasticity of the stratum corneum, and make the skin smooth, soft and elastic.