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    Ginseng nutrition facts

    Popular as "ren shen" (man root, 人参) in the mainland China, ginseng is the epitome of strength and wellbeing, trusted by many since ancient times. The root and other plant parts have been in use to stimulate metabolism, and treat conditions such as mental stress, fatigue, blood sugar control, and to improve health, and enhance disease-free long life.

    Botanically, this medicinal root plant belongs to the Araliaceae family of flowering plants in the genus: Panax. Its two main species: Asian ginseng (Panax ginseng C.A. Meyer) and its close relative, American ginseng (Panax quinquefolium L.) considered as the true cultivar types of this rhizome. All other types, including the Siberian ginseng (Eleutherococcus senticosus), are labeled as pseudo ginseng.

    Ginseng root
    Ginseng rhizome. Photo courtesy: forest farming

    Ginseng is a perennial, temperate, flowering herb native to the Northeastern woodlands of China and Manchuria. Both Asian and American ginsengs grow best in locations with well-drained, sandy loam soils and woody shadow coverings.

    It bears small, light green-white flowers and red berries. Flowering begins in the 2nd or 3rd year and lasts for 2 to 3 weeks in each season from June until September. However, in the cultivated farms, farmers prune the foliage in favor of bigger root growth. Its rhizome harvested by pulling the whole plant as in carrots after about 6 years of seedling when the berries begin to ripe.

    The roots then washed in clean water, segregated according to their size and processed to obtain either white ginseng or red ginseng.

    Health benefits of ginseng

    • All the products of ginseng plant including its rhizome prized in the Chinese, Korean, and Japanese culture since ancient times. Many believe that consuming root extraction and products of ginseng would confer them stamina, endurance to overcome hardships, and good health.

    • Since it consumed in such a small quantities, ginseng root does not add any calories and fats to the body. Nonetheless, it holds several health promoting neuro-active substances, anti-oxidants, minerals, and vitamins.

    • The two most important active compounds in the ginseng are triterpene glycosides, or saponins, commonly referred to as ginsenosides: protopanaxadiol and protopanaxatriol.

    • The bioactive compounds in the rhizome can act as immune-modulator (Cho et al., 2002), anti-tumor (Yun et al., 1983), antioxidant, and glucose-lowering activities (Fitzenberger et al., 2014).

    • Furthermore, it also holds other chemical substances such as polyacetylene and phenolic compounds, such as maltol (Hwang et al., 2006), salicylic acid, vanillic acid, genistic acids, p-coumaric acid have been identified as principal phenolic antioxidants in ginseng (Jung et al., 2002).

    Medicinal uses

    • Ginseng chiefly employed as an adjuvant in the traditional medicines in China, Japan, and by Native Americans.

    • Chinese practitioners of alternative medicine believe that white ginseng is mild and not too warm in nature, suitable for general body type. Red Ginseng, on the other hand, is very warm in nature, and advised during the colder months.

    • In traditional Chinese medicine, ginseng is advocated as a sex stimulant. Ginsenosides compounds enhances the synthesis and release of nitric oxide (NO) in the genital blood vessels. Nitric oxide (NO) causes relaxation of blood capillaries, and increase tissue cyclic GMP (guanosine monophosphate) levels in the gentital tissues.

    • Studies have shown that ginsenosides improve overall general metabolic functions of the body including enhanced liver functions, and digestion. They also possess anti-inflammatory actions, anti-cancer, and immune-boosting properties.

    • The root is prescribed to treat colds and flu, stress, and as an adjuvant to treat some cancers and Type-2 diabetes.

    Selection and storage

    Raw, fresh rhizomes can only be available near the vicinity of growers during the harvesting times. In the overseas markets, dry roots in vacuum packs, and powder can readily be found all round the year. White ginseng (bai shen) is produced by drying the just harvested root in the sun, while the red ginseng (hongs hen or Korean red ginseng) is steamed after harvest and then sun-dried.

    In the supermarkets, pharmacies and specialist Traditional Chinese Medicinal (TCM) Stores, one may come across different kinds of ginseng products like tea, honey, drinks, candy, jelly, etc. Read total ginsenosides content in the products before using these products.

    At home, dried ginseng root can be stored for several months preserved inside a dry jar, kept in cool place away from sunlight and humidity. Its powder can be stored inside the refrigerator for couple of months.

    Preparation and serving methods

    samgye-tang (ginseng chicken soup)
    Samgye-tang (Korean red ginseng-chicken soup). Photo courtesy: LWYang

    Processed ginseng seldom requires any cleaning. Cut a small piece of the root (not more than 3 grams of dry weight at a time) and steep in a glass of hot water for about 2 minutes and drink.

    Here are some serving tips:

    • Fresh root is steeped in hot water and mixed with honey and herbs enjoyed as refreshing tea.

    • In Korea, the herb root is also used in the preparation of famous summer recipe samgye-tang (ginseng-chicken-soup). It is usually served with kimchi and ginseng-wine (insamju).

    • The root extraction found unique place in the food industry in the preparation of beverages, candies, gums, spicy snacks, candies, etc.

    Truth facts about Ginseng

    • Ginseng and its products chiefly influence the metabolic functions like digestion, circulation, and central nervous system in the human body.

    • Ginseng should be viewed as an adaptive and restorative tonic. It is not a substitute for regular therapeutic medications for specific diseases.

    • The constituents in the root ginseng have structural and functional similarities to natural steroids. They affect the hypothalamus-pituitary-adrenal axis and the immune system, which could account for many of its reputed actions.

    • There are no well-documented studies to support its claim as an aphrodisiac agent.

    • The rhizome contains vitamins and minerals. However, in the dosage amounts, the herb rhizome barely covers the daily requirements of vitamins and minerals, and therefore do not have much health impact.

    Safety profile

    • Ginseng when taken in controlled doses for a short period of time has beneficial effects. Toxicity to glycosides occur when consumed in larger amounts for prolonged periods. Some of the common symptoms of over dosage are rising blood pressure, lack of sleep (insomnia), anxiety, neuroses, etc.

    • It is also known to potentiate the toxicity of anti-coagulant drug warfarin, resulting in severe bleeding episodes. It imapirs blood glucose levels in patients on anti-hypoglycemic drugs and insulin.

    • Pregnant women generally advised to avoid it. (Medical disclaimer).

    <<-Back to Herbs from Ginseng nutrition. Visit here for an impressive list of all variety of herbs with complete illustrations of their nutrition facts and health benefits.

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    Further Resources:

    1. Phenolic compounds and antioxidant properties. (Links open in new window-pdf)

    2. Exploration and processing-suntenglobal.com.

    3. Alternative Medicine Review-Monograph.

    4. Exploring scientifically proven herbal aphrodisiacs.