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How to choose quality ginseng extract?

There are at least five criteria you should take into consideration when purchasing ginseng extract of the best quality for your team: the specie, red ginseng or white ginseng, the part used for extraction, the potency of the active ingredients, the analysis method, and the presence of contaminants.

Ginseng-as lives up to its reputation as a “cure-all.” and it is the only Chinese herbal medicine that can be formulated into medicine on its own. Ginseng has been used for thousands of years for its beneficial effects. It is now used in a wide range of pharmaceutical ingredients, dietary supplements, foods and skincare products, and numerous applications for flavored teas, energy drinks, and skincare.

There are numerous ginseng extracts on the market for those developed. How to determine the quality of ginseng extract? Let’s take a look at the quality standards that should take into consideration when purchasing ginseng extract.

Panax ginseng root-like a dancing dancer

Which ginseng specie is the best for the best quality ginseng extract?

In fact, some herbs with ginseng names are not the real thing. True ginseng belongs to the genus Panax, whereas fake ginseng does not. The genus Panax contains several species, the most well-known and well-studied of which is Panax ginseng C. Meyer, which is native to Asia. Other names of Panax ginseng are Asian ginseng, Chinese Ginseng, and Korean Ginseng.

Which part of the plant is used to isolate the ginseng extract?

Panax ginseng C.A. Meyer extracts made from aerial or underground parts of the plant are commercially available, the aerial parts include leaves, stems, and ginseng berries, and extracts from all these aerial parts are accessible respectively or combined.

The active ingredients of the extracts are both ginsenosides. Ginseng roots and rootlets have been used in Chinese medicine for centuries, ginsenosides derived from underground are more researched by scientists and have proven their effectiveness in the health field. For pharmaceutical and dietary supplements, Ginseng root extract is a better choice.

Which ginseng is used for the extraction? White Ginseng or Red Ginseng?

For ginseng root extract there are two types- red ginseng root extract and (white)ginseng root extract. What are their differences?

The manufacturing method of the root (raw materials for extraction) is different. The fresh root of ginseng is white in nature. When the fresh ginseng is steamed and then dried, the color darkens and the roots turn red. This steaming step affects several parameters, especially the composition and properties of the active ingredients. In a word, one more step of steaming is added to get the red ginseng extract, which influenced its composition in active ingredients and its properties.

What is the content of the active ingredient?

When selecting plant extract, the most important factor to consider is the content of the active ingredients, here ginseng extract is the ginsenosides, as they are the reason we apply it in our formulas, they bing the bioactivities. The content of Rb, Rc, and Rg1 is relatively higher than other ginsenosides. And the ginsenosides on the COA of ginseng extract are generally Rg1、Re、Rb1、Rc、Rb2、Rd.

What is the testing method for the active ingredient?

Ginsenosides generally have two analysis methods: UV and HPLC. These analysis methods used for the same extract batch will have different results in numbers: the number of UV is higher than HPLC. That is two say, the ginsenosides with the potency of 50%, the HPLC one is the one has better quality as HPLC enables a much finer quantitative and qualitative analysis

What is a quality check for the ginseng extract?

When selecting ginseng extract, other tests should be considered in addition to the active ingredient content. It is important to pay close attention to the presence of impurities such as heavy metals and pesticide residues in the extract. The standards might be a litter different between different countries, find the one that meets your criteria.

What else should we consider for better quality?

Depending on the composition, species, parts used, and impurities, there are several parameters to consider for the best ginseng extract: the age of the plant, the extraction process, the processing steps, the solvents applied for the extraction, and so on. It is a kind of system to determine the ginseng extract you purchased is the best one.

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