What is the difference between lutein and lutein esters?

Lutein esters. There are many differences between lutein and lutein, mainly in the absorption mode, stability, and acid resistance. Both drugs have a certain effect on the eyes, but try not to use them privately.

There are certain differences between lutein esters and lutein, among which there are the following three differences, the first is the difference in the absorption mode. Lutein is mainly obtained from living foods and can directly enter the intestines and be absorbed by the body. However, lutein esters are extracted from marigold flowers, which are first decomposed into the human body and then converted into lutein and then absorbed by the body.

Secondly, the stability of the two drugs is different. The light and heat stability of lutein itself is not as good as that of lutein esters, so the utilization rate of lutein is also low. The stability of lutein ester in terms of light and heat is better than that of lutein.

Furthermore, the absorption rate is different. Lutein esters are much higher than lutein in terms of absorption and utilization. Lutein ester is a fat-soluble lutein with high biological activity in fat, so it is normal for lutein ester to have a 60% higher absorption rate than lutein.

Lutein ester and lutein are both acting on the eye, if the patient has eye discomfort, try to check as soon as possible, the symptom is better.

Lutein is not equal to lutein esters, which need to be digested by the human body into lutein before they can be absorbed, while lutein can be directly absorbed.

Lutein is found in many vegetables and fruits, and is found in many types of green vegetables. Such as spinach, cabbage, broccoli, etc. The richest food with lutein is kiwifruit, followed by yellow corn and egg yolk.

A variety of green leafy vegetables such as spinach, mustard greens, lettuce, broccoli, winter melon, green radish, corn, etc. contain a very large amount of lutein, and kiwifruit and egg yolk also contain lutein.

However, the content of lutein in the human body is particularly small, once consumed, it must be supplemented in time, and a single food can not be satisfied, and must be supplemented by in vitro nutrients.

Guidance: Leyan Vision Nutrient is rich in lutein, and it has a good effect if you take it consistently. Many children are using it, without any ***, which is the first choice for children's lutein.

The currently known effects of lutein are:

1. Protect the retina and ensure clear vision.

Lutein is a good antioxidant that can prevent the retina from oxidative damage when it absorbs light; It can also protect the microvasculature of the eye and maintain good blood circulation.

2. Improve eyesight.

Lutein is a very strong antioxidant that helps filter out blue light, reduce color aberration, and make vision more accurate.

3. Prevention of glaucoma.

Lutein can reduce the oxidative strength of ocular proteins, and the higher the intake, the lower the incidence of glaucoma.

Lutein esters are a present form of lutein. In the human body, lutein is the main pigment in the macular area of the retina, and in plant flowers or fruits, it exists in an esterified form, called lutein ester. Although there are two forms, the effect is the same, but lutein ester has higher light and heat stability, and stomach acid tolerance is also better, so lutein products are usually used as raw materials in esterified form.

Therefore, when we are choosing lutein products, we can also try to choose lutein ester-containing ones, which have a better effect, such as Jianshijia bilberry lutein ester.

Lutein ester and lutein can provide nutrients to the eyes, and the difference between lutein ester and lutein mainly lies in five aspects: different absorption methods, different stability, different acid resistance, different absorption rate and absorption amount. Lutein can be directly absorbed by the body, while lutein ester needs to be converted before it can be absorbed by the body.

How much difference does a "ester" really make? Lutein is one of the most important pigments in the macula area of the fundus, and most eye diseases are associated with lutein deficiency. Lutein is generally in the form of "ester" in nature, and the human body ingests the natural lutein ester through food and converts it into lutein through its own functions.

Studies at home and abroad have shown that the photothermal stability of lutein ester is stronger than that of lutein, and the ability to scavenge free radicals, especially hydroxyl free radicals, is higher than that of lutein. Lutein ester is an important carotenoid fatty acid ester, its stability is better than that of free lutein, and the absorption of it by the human body is also better than that of free lutein, and the bioavailability of lutein ester in the body is higher than that of lutein, and most of the lutein is chemically converted.

An efficient hydrolytic ester system exists in the body's digestive tract, which breaks down lutein esters and releases free lutein during digestion. For example, Jianshijia bilberry lutein is composed of three major nutrients: lutein ester, bilberry and carotene.