Ever since the dawn of humanity, gold has had great significance in human lives. People have considered gold luxurious because of its use in jewelry and, of course, for its value. However, you may be surprised to learn that people in the past, besides recognizing gold as a symbol of wealth, were also well aware of its unique properties. They used it for medicinal purposes.
Modern science now approves gold’s medicinal uses. It has already benefited from these uses for decades. To get the most out of gold’s benefits, colloidal gold has been made available for use.
The medicinal benefits people used to get from gold in the past; thanks to modern science, we can now safely reap its precise benefits. In this article, we will explain the proven benefits of gold, especially its impact on our bodies and minds.
Table of Contents
The Hype Around Colloidal Gold
Modern nanoscience has rediscovered gold in a new form called colloidal gold. What is colloidal gold? It is a mixture of tiny particles of pure gold. These particles are at the nanometer scale and are suspended in pure water. To put it in perspective, these particles are thousands of times smaller than a human hair. They are so tiny that they do not accumulate at the bottom of a container.
Light passing through this liquid suspension produces an interesting effect. The small particles diffract the incoming light. This is a scientific phenomenon called surface plasmon resonance. As a result, the liquid gains a specific hue. It is generally red or purple.
A Brief History of Gold Use by Our Ancestors Around the World
It is not new to use this type of metal in the medical field. Its medicinal use dates back over five thousand years. Ancient Egyptian medics described gold-based preparations. These elaborate accounts were written in medical papyri dating back to 2500 BC. It was the period when medics thought that metal could make people vital. They also believed it could harmonise the body’s forces (we will return to it to discuss what modern science concludes today).
In Indian traditional medicine, there was a remedy called Swarna Bhasma. This was purified gold ash. It was widely used in rejuvenation therapies and included in cognitive health formulae. Ancient Taoist alchemists of Chinese medicine also treasured this element.
They incorporated it into specific longevity tonics. These potions were meant to support a long lifespan. They were also intended to stimulate spiritual distinctness.
Introduction of Gold’s Benefits to Modern Medicine
At the onset of the twentieth century, medical physicians started using gold salts. These were chemically bound compounds used to treat rheumatoid arthritis. This treatment was called chrysotherapy.
The metal was shown to have controlled immune responses through chrysotherapy. It was also effective in controlling inflammation in the body. Nowadays, researchers do not use ionic gold salts; instead, colloidal monolithic nanoparticles are the main focus.
The study of these contemporary nanoparticles is based on their biocompatibility. They also have a clearly low toxicity profile.
What Changes to Gold at a Nanometer Scale?
At the nanometer scale, the metal behaves very differently. It is no longer dormant. These nanoparticles interact dynamically with metabolic systems. The particles interact directly with proteins.
They interact with internal enzymes as well. Moreover, they influence cell membranes. These exchanges still uphold several key biological functions.
How does Colloidal Gold Influence Brain Activity and Overall
Brain health has been a major area of research on these particles worldwide. Several studies report a beneficial effect on neural activity. These possibilities were identified in a 2018 study published in Nanomedicine.
Scientists indicated that the nanoparticles help regenerate neurons. They also observed a significant reduction in oxidative stress in brain cells. The particles are considered a possible facilitator of learning. Additional benefits include mental clarity.
Anti-Inflammatory Properties
Current studies show that colloidal gold has anti-inflammatory properties. Researchers found that gold nanoparticles at the nanometer scale can reduce levels of inflammatory cytokines. They also reduce markers of oxidative stress in immune cells. This process may lead to new ways to address chronic inflammation-related conditions.
These nanoparticles also show significant anti-microbial prospects. The particles can interfere with the tough bacterial membrane. By doing so, they prevent the growth of microbes.
Benefits of Gold beyond Health
These developments have caught the attention of the aesthetic industry as well. Gold is now a common ingredient in modern skincare. Research shows that these nanoparticles can induce natural collagen synthesis. They can also increase skin elasticity. In addition, they help suppress inflammation in skin cells.
They have another advantage: they can improve the absorption of active ingredients. There are also auxiliary benefits, such as increasing cellular regeneration.
How is Quality Control Implemented for Colloidal Gold?
Particle size is a key parameter for assessing product quality. Particle dimensions are generally 5-100 nm. Smaller nanoparticles have a higher surface area-to-volume ratio. High-quality products usually contain particles from 10 to 30 nanometers.
Research suggests that this size range offers the most favourable chemical stability. It also ensures good biological bioavailability. One proven method to achieve precise colloidal gold production is electrolysis.
Another commonly used industrial technique is the Faraday reduction. These techniques result in suspensions without the need for unnecessary additives.
Conclusion
In the future, researchers will continue to study this nanoform of gold extensively. It is chemically stable and considered very valuable in clinical research.
Because of this, it is one of the most studied nanomaterials in contemporary medicine due to its biological compatibility.
