Applied Research on Preparation Technology of Nano-Plant Powder Milling

The development of nano-plant powder products is progressing slowly, especially in the case of natural plant-based health foods like nano-pollen and fungi, as well as valuable medicinal plants such as ginseng, ganoderma spores, pearls, and cordyceps. Even toxic medicinal plants like sphagnum are being explored for nano-scale processing, but these products are still largely in the research phase. There are both scientific and technical challenges involved. Scientifically, there have been some published studies on nano-plant powders, but this article focuses on the technical application issues. Researchers Lu Qing and Qu Yuan have developed two innovative technologies: multi-dimensional oscillating high-energy nano-ball milling and multi-level grading nano-ball milling. The former has already secured a patent, while the latter is in the trial stage. These techniques have significantly improved the efficiency and quality of nano-plant powder production. The multi-dimensional oscillating high-energy nano-ball mill uses rapid, multidirectional movement to generate powerful impacts, increasing the grinding energy and reducing blind spots. This process can achieve particle sizes as small as 10 nm, with excellent uniformity. It’s a closed system, making it ideal for sensitive materials. Qinhuangdao Taiji Ring Nano-product Co., Ltd. has successfully applied this technology to produce nano-tea, nano-coffee, and nano-medicine, demonstrating its wide applicability. The equipment can also be used for metals, non-metals, minerals, and other organic or inorganic materials, provided appropriate protective gases are used. The multi-level grading nano-ball mill operates using a "bartender's arm" motion, allowing repeated high-energy impacts. This enables continuous crushing of materials across multiple layers and sizes of grinding media, resulting in a graded nano-powder. It’s an open system that supports dry and wet grinding, offering flexibility for various applications. Despite these advancements, several challenges remain in the preparation of nano-plant powders. First, temperature control is critical because high-energy ball milling generates heat, which can cause charring or carbonization of plant materials. To address this, cooling via water jackets is used instead of liquid nitrogen, which reduces contamination and costs. Second, humidity management is important. Plant materials typically contain 5–10% moisture, which increases their elasticity. Drying at 55°C for 4–6 hours before milling improves brittleness and results in better powder quality. For fresh materials, a traditional pulverizer is first used to create a coarse slurry, followed by high-energy ball milling and spray drying. Third, the sticky and viscous nature of certain plant components, such as those rich in sugar, oil, or gum, can lead to clumping during milling. Wet grinding with water and subsequent spray drying helps prevent this issue, preserving the original properties of the plant. Fourth, pollution from metal grinding balls is a concern. Using zirconia balls and lining the tank with zirconia reduces contamination. Zirconium is also a trace element beneficial to human bones and teeth, making it safe for use in food and health products. Fifth, particle agglomeration is a common problem due to the high surface energy of nano-sized particles. Adding dispersants or surface modifiers during the ball milling process helps improve dispersion and stability, ensuring better performance in beverages or supplements. Lastly, controlling particle size and uniformity is essential. While smaller particles (under 100 nm) may offer higher absorption, they can also introduce instability or side effects. A target range of 60–180 nm is often preferred, achieved through a three-step method involving traditional grinding, air jet milling, and high-energy ball milling. This approach reduces milling time and improves consistency. Overall, the development of nano-plant powder technology represents a significant advancement in the field of plant-based health and pharmaceutical products. With its ability to preserve the natural integrity of plant materials while enhancing bioavailability and solubility, this technology holds great promise for the food, cosmetic, and healthcare industries. As research continues, we expect to see even more innovative applications and broader adoption of these advanced milling techniques.

Health Care Grade

Maca p. E is a kind of yellow brown powder medicine. Its main components are amino acid, mineral zinc, taurine and so on. It has the effect of regulating adrenal gland, pancreas, testis, improving Qi and blood and relieving climacteric symptoms. The amino acid, mineral zinc, taurine and other components in Maca extract can obviously resist fatigue. The unique bioactive substances are macarene and macamide, which can improve the number and activity of sperm. The alkaloids of Maca act on hypothalamus and pituitary, regulate adrenal gland, pancreas, testis and other functions. To achieve balanced hormone levels, for women, can also improve blood and relieve menopausal symptoms.

Product Name: Maca root Extract

Latin Name: Lepidium Meyenii

Part of used: Root

Active ingredient: Macamides

Specs Available: 20%-60%

Ratio Extract: 4:1,10:1,20:1

Appearance: brown yellow powder

Maca extract contains several biologically active components, called glucosinolates, that have medicinal uses.

Maca extract is also an excellent source of B vitamins, including vitamin B-12, a vitamin that provides the body with needed energy. Maca also contains antioxidants, which are scavengers of free radicals that might harm cellular DNA. The combination of these healthy compounds may provide a natural energy boost to the body and increase your mental acuity.

1) Maca extract can supports glandular system;
2) Maca extract may boost work capacity;
3) Maca extract will promotes libido and sexual function;
4) Maca extract used to enhance physical energy and endurance;
5.Maca extract have the function of promoting mental clarity and concentration;
6) Maca extract own the effect on supporting stamina and buffers the effects of stress;

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