Comparison Of Content Differences Of Eight Chemical Components in Raw And Wine-Processed Products Of Two Kinds Of Cistanche Deserticola Based On UPLC

[Abstract]

Objective: This study aims to analyze the differences in the content of representative chemical components between raw and wine-processed products of Cistanche deserticola Y.C.Ma and C. tubulosa (Schenk) Wight. Methods: The ultra-performance liquid chromatography (UPLC) method was used to simultaneously determine the contents of eight chemical components in Cistanche, including cistanoside F, echinacoside, cistanoside A, verbascoside, tubuloside A, isoechinacoside, 2'-acetylacteoside, and tubuloside B. The contents of these components were measured in different batches of raw and wine-processed products of the two kinds of origin. Results: Through origin comparison, it was found that the content of cistanoside F, echinacoside, isoechinacoside, tubuloside A, and verbascoside in C. deserticola was significantly lower than that in C. tubulosa (P<0.05), while cistanoside A was not detected in C. tubulosa, indicating it as a potential characteristic component of C. deserticola. After wine processing, the content of 2'-acetylacteoside, cistanoside A, cistanoside F, echinacoside, tubuloside A, and verbascoside in C. deserticola decreased significantly (P<0.05), while the content of tubuloside B increased significantly (P<0.05). In C. tubulosa, the content of 2'-acetylacteoside, echinacoside, and verbascoside decreased significantly (P<0.05), while the content of isoechinacoside and tubuloside B increased significantly (P<0.05). Conclusion: There are significant differences in the types and contents of chemical components between the two origins of Cistanche in raw form and wine-processed form. It is necessary to differentiate the effects of different origins and different processed products in clinical practice and production. The research provides a reference for the identification of the origin of Cistanche and the clarification of the scientific connotation of wine processing

Keywords: Cistanche deserticola Y.C.Ma; Cistanche tubulosa (Schrenk) Wight; wine-processed Cistanche; UPLC

 

Cistanche (Rou Cong Rong): A Desert Herb with Potent Yang-Tonifying and Gut-Supportive Benefits

Cistanche, known in Traditional Chinese Medicine (TCM) as Rou Cong Rong, refers to the fleshy, scaly stems of two species in the Orobanchaceae family: Cistanche deserticola Y.C.Ma and Cistanche tubulosa (Schrenk) Wight. This herb is sweet and salty in taste, warm in nature, and primarily enters the Kidney and Large Intestine meridians. It is traditionally used to tonify kidney yang, nourish essence and blood, and moisten the intestines to relieve constipation. Common clinical applications include male impotence, female infertility, blood deficiency-induced constipation, and general exhaustion.

Often referred to as the "Ginseng of the Desert", Cistanche has a long-standing reputation as a premier yang tonic in Chinese herbal therapy.

 

 

 

Cistanche deserticola Y.C.Ma

🌿 Key Active Compounds in Cistanche

Cistanche contains a diverse array of bioactive phytochemicals, including:

Phenylethanoid glycosides (e.g. echinacoside, acteoside)

Iridoid glycosides

Lignans

Sterols

Among them, phenylethanoid glycosides are considered the major pharmacologically active constituents, offering multiple health benefits such as:

Anti-aging

Anti-fatigue

Kidney yang enhancement

Neuroprotection against vascular dementia

These compounds form the basis of Cistanche's growing popularity in the global herbal supplement market.

Cistanche tubulosa (Schrenk) Wight

 

🧪 Quality Challenges and the Need for Standardization

As market demand for Cistanche increases both in China and internationally, issues such as species confusion, adulteration, and inconsistent quality have become increasingly prominent. Prior to the 2000 edition of the Chinese Pharmacopoeia, only Cistanche deserticola was recognized as the official source species. However, due to resource scarcity and high demand, Cistanche tubulosa was later added as a legal source.

Despite both species being accepted, their market prices vary significantly, raising concerns over authenticity and quality control. Therefore, comparative phytochemical and pharmacological studies are essential to distinguish between the two species and ensure their proper usage in clinical and commercial applications.

Cistanche dried materials

a famous cistanche wine sold in China

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🔥 Effect of Wine Processing on Cistanche's Pharmacological Properties

In TCM, wine-processed Cistanche is believed to have enhanced kidney-tonifying effects but reduced laxative activity. This transformation is likely due to chemical changes induced during the processing method. Understanding the variation in active compound content before and after wine preparation is crucial to clarifying the herb's traditional processing rationale.

 

💡 Advanced Analytical Techniques for Cistanche Quality Evaluation

To improve the accuracy and efficiency of chemical analysis, this study employed Ultra-Performance Liquid Chromatography (UPLC), which offers:

Higher sensitivity and resolution

Greater stability

Analysis speed up to 10x faster than traditional HPLC

Using UPLC, a quantitative method was established to simultaneously measure eight key phenylethanoid glycosides, including:

Cistanoside F

Echinacoside

Cistanoside A

Verbascoside

Tubuloside A

Isoverbascoside

2'-Acetylverbascoside

Tubuloside B

Cistanche dried whole roots materials

 

📊 Comparative Study Design

A total of 20 Cistanche samples were analyzed, including:

10 batches of Cistanche deserticola

10 batches of Cistanche tubulosa

Each batch was tested in both raw form and wine-processed form

All samples were authenticated by Professor Xiangri Li from the School of Chinese Materia Medica, Beijing University of Chinese Medicine. The results provide valuable insights into:

The chemical differences between the two species

The impact of wine processing on compound concentration

The scientific basis for traditional usage and processing methods