Poria Extract

I. Overview of Basic Raw Materials and Products

1.Raw material origin

The raw material is the dried sclerotium of Poria cocos, a fungus of the Polyporaceae family (commonly known as Yunling or Songling), which parasitize the roots of pine trees and belongs to the raw material of both medicine and food. The extract is only taken from the inner white poria cocos flesh. The outer black skin and the middle pine root (Poria cocos) are generally not used in the production of standard extracts.

2.Extraction process and product form

Conventional process: Crushing of poria cocos blocks → water extraction/alcohol extraction → filtration and concentration → spray drying. There are two mainstream products:

Proportion extract (10:1, 20:1) : Fully concentrated components, polysaccharides and triterpenoids retained simultaneously, brownish-yellow fine powder, with a light sweet and faint bacterial aroma

Standardized extracts (30%/50% polysaccharides, 2%/5% total triterpenoids) : Targeted enrichment of active substances, mostly used in health products and solid beverages;
Physical and chemical indicators: Moisture content ≤7%, heavy metals and microorganisms meet food-grade standards, good fluidity and easy water solubility.

Nature, Taste and Meridian Tropism (Traditional Chinese Medicine)

Sweet, light, neutral; It belongs to the Heart, lung, spleen and kidney meridians. Its nature is mild, neither cold nor dry. It promotes diuresis without harming the body’s vital energy and strengthens the spleen without causing greasiness.

Ii. Core Active Ingredients

1：Poria cocos polysaccharides (PCP, signature component)

Accounting for 8% to 15% of the dry weight of poria cocos, it has a β -glucan structure and is a core substance for immunity and calming the mind.

(1)Enhance the activity of macrophages and lymphocytes, and strengthen the body’s resistance;

(2)Regulate the intestinal flora and repair weak digestion caused by spleen deficiency;
(3)Soothe the central nervous system and work in synergy with jujube seeds to improve insomnia and palpitations

2: Triterpenoids (such as pachymaric acid, pachymaric acid, pachymaric acid, etc.)

The exclusive diuretic and anti-inflammatory active substances of poria cocos have isolated over a hundred triterpene monomers:

（1）Poria cocos: Inhibits the transport of sodium and potassium in renal tubules, gently promotes diuresis and reduces edema;
(2)Anti-inflammatory, oil control and phlegm elimination, improving abdominal distension and facial swelling caused by phlegm-dampness;
(3)It helps regulate blood lipids and protect the liver.

3. Other auxiliary ingredients

Sterols, amino acids, minerals and fatty acids help nourish the spleen and stomach and have antioxidant effects.

Iii. The Four Major Functions of Traditional Chinese Medicine

(1)Promote diuresis and remove dampness, and reduce edema

It can improve generalized edema, swelling of the lower limbs, facial swelling upon waking up, difficulty in urination, and excessive dampness causing sticky stools in the toilet. It promotes diuresis without depleting Yin fluids

 (2)Strengthen the spleen and stomach, and improve spleen deficiency

It is suitable for symptoms such as poor appetite due to spleen deficiency, abdominal distension after meals, indigestion, loose stools, general heaviness and weakness, and thick and greasy tongue coating

(3)Calm the mind and soothe the spirit, relieve palpitations and insomnia

It enters the heart and spleen meridians, improving dampness disturbing the heart, excessive thinking, palpitations and easy to be startled, frequent dreams and light sleep. It is often combined with jujube seeds

(4)Eliminate phlegm and dampness

It can regulate phlegm-dampness cough, excessive and thick phlegm, chest tightness and shortness of breath.

Poria cocos extract is a concentrated raw material with mild properties that is both medicinal and edible. Its core benefits include poria cocos polysaccharides for strengthening the spleen and calming the mind, and triterpenoids for promoting diuresis and eliminating dampness, while also addressing four major issues: spleen deficiency, edema, phlegm-dampness, and insomnia. Compared with the original poria cocos powder, it has a higher concentration of active ingredients and is absorbed faster, making it suitable for daily long-term light conditioning。

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