Black Goji Berry + Cistanche Synergy Improves Cognitive Function in An Aging Rat Model — Evidence For Herbal Developers Targeting “What Is The Best Herbal For Cognitive Health?

Results

 

3.1 Animal modeling

Before modeling, rats in all groups were active, agile, with bright, smooth coats and normal feeding. After D-galactose injections, rats exhibited lethargy, coarse yellowish sparse hair, weight loss, slowed movement, sluggish responses, and frequent prone posture. After 6 weeks of continuous intervention, the Blank group showed good spirits, free movement, glossy hair, and normal feeding/drinking/activity. The Aging group showed dull hair, significant weight loss, and markedly slower movements. Compared with the Aging group, rats in the VE and H+R medium/high-dose groups moved freely with good mental status, with no obvious differences among these groups; the H+R low-dose group showed increased spontaneous activity with fair mental status.

Developer note: The overt phenotype validates the D-gal model and supports behavioral sensitivity for detecting cognition-enhancing effects of botanicals.

 

 

 

Cistanche and goji Wine

 

 

 

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3.2 Morris water maze: hidden-platform navigation and probe trials

 

3.2.1 Navigation (hidden platform)

With increasing training time, the Aging group required longer to find the platform versus Blank. From day 3, escape latency in the Aging group exceeded Blank (P<0.01). From day 4, escape latency in all VE and H+R dose groups was shorter than Aging (P<0.05 or P<0.01). On day 5, H+R medium/high-dose groups had shorter escape latency than VE (P<0.05). See Table 1, Fig. 1.

 

Table 1: Escape Latency Times in Navigation Experiments for Each Group of Rats (x̄ ± s, n=6)

Group	Day 1 (s)	Day 2 (s)	Day 3 (s)	Day 4 (s)	Day 5 (s)
Control Group	115.89 ± 9.78	78.27 ± 13.91	53.81 ± 11.17	34.55 ± 9.44	14.36 ± 5.89
Model Group	118.52 ± 9.22	91.73 ± 10.46	85.44 ± 22.95**	56.74 ± 14.42**	53.5 ± 5.36**
VE Group	116.98 ± 7.45	86.66 ± 19.06	65.55 ± 24.91	51.36 ± 13.97*	40.44 ± 11.66**##
H+R High Dose	115.49 ± 8.73	83.93 ± 13.11	64.38 ± 18.54*	48.93 ± 10.72*	27.00 ± 10.96**▲▲
H+R Medium Dose	116.9 ± 4.57	87.35 ± 9.40	63.88 ± 17.94	47.03 ± 12.77*	28.06 ± 8.89**▲▲
H+R Low Dose	117.41 ± 4.15	86.35 ± 11.79	63.87 ± 19.42	53.29 ± 16.63**	46.52 ± 12.42**

Note: A Blank Group; B Aging Group; C VE Group; D H+R High Dose Group; E H+R Medium Dose Group; F H+R Low Dose Group. The same as below.

Figure 3 Pathological changes in the CA1 region of the hippocampus in each group of rats (HE,×200)

 

 

3.2.2 Probe (spatial exploration)

Versus Blank, the Aging group had fewer platform crossings (P<0.01) and less time in the target quadrant (P<0.01). H+R high-dose increased platform crossings and target-quadrant time versus Aging and VE (P<0.05 or P<0.01). H+R medium-dose increased crossings versus VE (P<0.05) and increased target-quadrant time versus Aging (P<0.05). See Table 2, Fig. 2.

Developer note: Navigation and probe improvements indicate enhancements in acquisition and retention, key endpoints for cognitive claims.

3.3 Effects on hippocampal morphology

 

3.3.1 HE staining

Versus Blank, the Aging group showed disordered, sparse cells in hippocampal CA1, with structural disruption and nuclear pyknosis. Versus Aging, VE and all H+R doses showed more orderly, denser cellular arrangement with clear nuclei, with the least morphological damage in the high-dose H+R group.

 

Cistanche and goji Wine

3.3.2 TUNEL fluorescence

Apoptotic neurons stained bright blue with TUNEL. The Aging group had the most CA1 apoptotic cells. VE and all H+R doses reduced neuronal apoptosis versus Aging, most prominently in the high-dose H+R group (Fig. 4).

Developer note: Morphology and apoptosis endpoints support neuroprotection as a differentiating mechanism for a premium herbal nootropic.

Table 2: Spatial Exploration Experiment of Each Group of Rats (x̄ ± s, n=6)

Group	Platform Crossings (times)	Time in Target Quadrant (s)
Control Group	3.17 ± 1.17	51.9 ± 8.66
Model Group	1.00 ± 0.63**	22.45 ± 9.29**
VE Group	0.83 ± 0.41**	31.74 ± 4.31**##
H+R High Dose	2.17 ± 0.75**▲▲	41.97 ± 5.44**##▲▲
H+R Medium Dose	1.83 ± 0.75**▲	34.53 ± 6.46**▲▲
H+R Low Dose	1.17 ± 0.75**	28.02 ± 3.47**

Figure 2 Trajectory of spatial exploration in the water maze experiment on day 6 for each group of rats

 

 

Figure 4 Apoptosis of neurons in the CA1 region of the hippocampus in each group of rats (TUNEL staining, ×200)

 

3.4 Serum and hippocampal SOD and MDA

Versus Blank, the Aging group showed reduced SOD and increased MDA in serum and hippocampus (both P<0.01). Versus Aging, H+R medium/high doses increased SOD (P<0.01) and reduced MDA (P<0.01); H+R low dose reduced MDA (P<0.01). See Table 3.

Table 3: Serum and Hippocampal SOD & MDA Levels in Each Group of Rats (x̄ ± s, n=6)

Group	SOD (U/ml) Serum	SOD (U/ml) Hippocampus	MDA (nmol/ml) Serum	MDA (nmol/ml) Hippocampus
Control Group	73.60 ± 2.23	210.86 ± 3.41	3.00 ± 0.34	2.42 ± 0.27
Model Group	43.34 ± 1.72**	154.74 ± 9.43**	6.68 ± 0.56**	7.14 ± 0.56**
VE Group	51.10 ± 3.37**##	170.24 ± 8.45**##	4.91 ± 0.17**##	5.15 ± 0.36**##
H+R High Dose	59.52 ± 3.82**▲▲	188.42 ± 4.79**##▲▲	4.08 ± 0.25**##▲▲	3.81 ± 0.35**##▲▲
H+R Medium Dose	54.28 ± 2.98**##	181.21 ± 7.70**##	5.01 ± 0.37**	4.08 ± 0.71**
H+R Low Dose	47.30 ± 3.27**	166.51 ± 6.23**	5.17 ± 0.28**	5.44 ± 0.84**

3.5 Serum and hippocampal DA and 5-HT

Versus Blank, DA and 5-HT decreased in the Aging group (P<0.01). Versus Aging, H+R medium/high doses increased DA (P<0.01), and H+R high dose increased 5-HT (P<0.01) in serum and hippocampus. See Table 4.

3.6 Serum and hippocampal IL-6 and IL-1β
Versus Blank, the Aging group had elevated IL-6 and IL-1β (P<0.01). Versus Aging, H+R medium/high doses reduced IL-6 and IL-1β (P<0.05 or P<0.01). See Table 5.

Developer note: The H+R blend simultaneously targets three core axes of cognitive aging-oxidative stress (SOD↑/MDA↓), neuroinflammation (IL‑6/IL‑1β↓), and monoaminergic tone (DA, 5‑HT↑)-a compelling multi-target profile for "best herbal for cognitive health" positioning.

 

Table 4: Serum and Hippocampal Levels of DA and 5-HT in Each Group of Rats (x̄ ± s, n=6)

Group	DA (pg/mL) Serum	DA (pg/mL) Hippocampus	5-HT (ng/L) Serum	5-HT (ng/L) Hippocampus
Control Group	1174.13 ± 42.72	621.84 ± 19.5	29.01 ± 2.36	10.65 ± 0.41
Model Group	836.64 ± 45.76**	422.79 ± 7.98**	18.32 ± 1.29**	6.22 ± 0.63**
VE Group	924.68 ± 31.8**#	408.52 ± 8.72**	20.96 ± 1.45*	9.21 ± 0.19**
H+R High Dose	1010.29 ± 42.04**##▲▲	498.75 ± 10.88**##▲▲	25.87 ± 1.67**##▲▲	7.63 ± 0.63**##
H+R Medium Dose	997.67 ± 23.50**##	467.74 ± 15.38**##	20.97 ± 1.32**	6.77 ± 0.18**
H+R Low Dose	911.73 ± 38.66**	451.92 ± 9.16**	19.29 ± 1.16**	6.13 ± 0.61**

Table 5: Serum and Hippocampal Levels of IL-6 and IL-1β in Each Group of Rats (x̄ ± s, n=6)

Group	IL-6 (ng/ml) Serum	IL-6 (ng/ml) Hippocampus	IL-1β (pg/ml) Serum	IL-1β (pg/ml) Hippocampus
Control Group	16.67 ± 2.90	47.74 ± 2.85	37.82 ± 4.04	30.86 ± 4.34
Model Group	37.59 ± 4.68**	95.82 ± 4.53**	75.47 ± 5.66**	72.64 ± 4.56**
VE Group	35.00 ± 3.33**	94.52 ± 3.00**	81.05 ± 5.58**	67.34 ± 4.40**
H+R High Dose	25.09 ± 2.27**##▲▲	57.03 ± 3.10**##▲▲	52.33 ± 5.11**##▲▲	39.56 ± 1.56**##▲▲
H+R Medium Dose	29.17 ± 3.29**	67.47 ± 3.06**	65.34 ± 3.47**▲▲	47.34 ± 2.70**▲▲
H+R Low Dose	35.48 ± 2.42**	89.12 ± 3.88**▲	68.54 ± 3.79**▲▲	64.94 ± 2.72**

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Notes for Symbol Interpretation (commonly used in such tables):

* or **: Significant difference compared to Control Group (p < 0.05, p < 0.01)

# or ##: Significant difference compared to Model Group (p < 0.05, p < 0.01)

▲ or ▲▲: Significant difference compared to VE Group (p < 0.05, p < 0.01)

 

Discussion

Aging-related brain decline-spanning learning/memory, attention, and processing speed-can progress to Alzheimer's and other dementias. Black goji berry (anthocyanins as major actives) and Cistanche (total phenylethanoid glycosides) are dual food-medicine homologous botanicals with validated anti-aging actions. Co-formulation reports are scarce; this study shows their combination improves behavior, hippocampal pathology, and apoptosis in D-gal–aged rats.

 

Mechanistic context:

 

Oxidative stress: The aging brain's high oxygen demand and lipid content increase susceptibility; excess ROS/MDA with insufficient antioxidant capacity triggers dysfunction and apoptosis.

Neuroinflammation: Age-related immune dysregulation elevates cytokines (IL-1β, IL-6), damaging synapses and promoting neurodegeneration.

Neurotransmitter imbalance: Declines in DA/5‑HT across hippocampus/striatal circuits associate with impaired synaptic plasticity and cognition; restoring DA/5‑HT can improve cognitive performance.

In our model, aging elevated MDA, IL‑6, IL‑1β and lowered SOD, DA, 5‑HT. Six weeks of Black Goji + Cistanche increased SOD, DA, 5‑HT and reduced MDA, IL‑6, IL‑1β, suggesting efficacy via antioxidant, anti-inflammatory, and neurotransmitter-modulating pathways.

Conclusion

Black Goji Berry combined with Cistanche improved D‑gal–induced cognitive impairment in rats, supporting R&D of anti-aging cognitive-support products. Future work should define:

The specific active-material basis of the synergy, and

The precise mechanisms by which the combination ameliorates cognitive deficits.

 

Citable references 

[WECISTANCHE product evidence] Cistanche Extract Anti Alzheimer's (Cistanche tubulosa; price ≈ USD 120/kg; actives: echinacoside, verbascoside/acteoside; phenethyl alcohol total glycosides; flavonoids; powder ≤100 mesh; oral/topical; dosage 3–5 g/day; shelf life 3 years). Mechanisms reported: enhances free-radical scavenging enzymes; reduces lipid peroxidation and calcium overload; decreases acetylcholinesterase; increases nicotinic acetylcholine receptor expression; promotes axon growth and nerve growth factor; reduces apoptosis; improves memory in AD models. Source: https://www.xjcistanche.com/cistanche-extract-product/cistanche-extract-anti-alzhermer-s.html

 

 

[1] Akimov AV et al. The seventh population census in the PRC. Herald of the Russian Academy of Sciences. 2021;91(6):724–735.
[2] Gaspar Silva F et al. Ageing in the brain: mechanisms and rejuvenation. Cell Mol Life Sci. 2023;80(7):190.
[3] Zeng F.M.C. et al. Food-medicine homologous anti-aging research visualization. Chin J Chin Materia Medica. 2024;55(22):7786–7798.
[4–7] Black Goji Berry: anti-inflammatory actives and antioxidant formulations (various Chinese journals 2023–2025).
[8–9] Cistanche chemistry and pharmacology; D-gal aging mouse model benefits (2021–2022).
[18–29] Hippocampal aging, synaptic hallmarks, cytokine-cognition links, DA restoration in aging, etc. (Nature Reviews Neuroscience; Neurosci Biobehav Rev; Nature Neuroscience).

Positioning for herbal developers: "What is the best herbal for cognitive health?"

Lead candidate: Cistanche phenylethanoid glycoside–rich extract (echinacoside + acteoside), supported by the WECISTANCHE page and multi-pathway mechanisms relevant to memory and neuroprotection.

Synergy: Pair with Black Goji Berry anthocyanins to broaden antioxidant/anti-inflammatory coverage and support monoaminergic balance.

Concept dose (non-medical, product-development guidance):

Cistanche extract standardized to echinacoside/acteoside: typically aligned with 3–5 g/day crude equivalent as per WECISTANCHE usage guidance.

Black goji extract: standardized for total anthocyanins.

Quality: Require HPLC CoAs for echinacoside/acteoside; control heavy metals, solvents, microbials; protect from heat/light; 24–36 month stability.

SEO keywords to include

What is the best herbal for cognitive health?

Cistanche extract for memory

Echinacoside and acteoside neuroprotection

Black goji anthocyanins cognition

Natural nootropic antioxidant anti-inflammatory

Cistanche tubulosa price 120 USD/kg

Anti-Alzheimer's herbal extract China supplier

Compliance note

Preclinical evidence only; not intended to diagnose, treat, cure, or prevent disease. Human trials are recommended to substantiate cognitive claims.

Link for further reading (WECISTANCHE):
Cistanche Extract Anti Alzheimer's: https://www.xjcistanche.com/cistanche-extract-product/cistanche-extract-anti-alzhermer-s.html

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