Following my post on shaji, I am writing one on another superfruit: goji berries. Goji berries are native to Asia, though some species of the plant can be found growing in North America. Goji berries belong to the nightshade family, which means that they are related to potatoes, tomatoes and eggplant. They have a long history of use in China. According to an early legend regarding the goji berry and its value, a doctor more than 2000 years ago visited a village that consisted mostly of centenarians. After observing them for a time, the doctor noticed that the residents who lived the longest also had homes closest to the wells were goji berry trees grew. As the fruits ripened, they would fall off into the water and their nutrients would be infused into it. Villagers who lived near the wells would drink the water and benefit from its nutrients. There are multiple variations of this legend. Documentation of the benefits of goji berries begins with a book written the mythical doctor Shen Nong in the year 250 BC, the oldest book on Traditional Chinese Medicine (TCM). Another important Chinese book written by Li Shizhen in the 16th century also includes important information on the subject of the goji berry.
Goji berries have become such an important crop in Ningxia, that Ningxia’s Science and Technology Department has developed a hand-held picking machine. In tests, the small machines can harvest 25 to 30 kilograms of goji per hour, with no more than 5% of the fruit damaged. It is 3 – 5 times more efficient than hand-picking. This link will lead you to a video demonstrating the machine.
Goji berries are known primarily for their nutritional value and health benefits. Some of the factors that make them famous for boosting health are:
- Amino acids: goji berries provide 8 essential amino acids that your body cannot synthesize.
- Zeaxanthin: goji contain a high concentration of an antioxidant called zeaxanthin, good for preventing certain eye diseases. According to various studies, a diet that contains goji berries can increase a person’s zeaxanthin levels by as much as 26%.
- Vitamins: goji berries can provide you almost twice the vitamin A that you need in a day. It also has about a third of the daily recommended vitamin C.
- Minerals: goji berries are rich in some important minerals including iron and potassium.
Goji berries grow in a large area northwest China, but Ningxia is by far the largest producer. The following table shows the regional breakdown on the output of 2017 (dried berries).
As goji berries have been such a valuable earner of hard currency, the Chinese goji production has grown steadily during the past years, as is shown in the following table.
Although the demand on the world market is huge, the domestic demand is also substantial. After all, goji berries are a TCM, so have been used for ages. In fact, Western consumers got to know goji from China, like ginseng. The following table shows the export volumes of the same years as the production figures above.
Goji as (health) food ingredient
Goji berries are no longer exclusively used in Chinese medicine. They have become an ingredient in a growing range of health foods and beverage. I will list a few in this section to give an impression of how goji is used by Chinese food technologists.
This herbal tea by Laojin Mofang consists of dried longan slices, dates and goji berries. It is a refreshing beverage that lasts a long time, as you can add boiling water a number of times.
Halal goji drink
Qiye Qing turns goji berries into a cloudy orange-colored bottled beverage. The ad uses the alternative name for goji: wolfberries. The drink is certified halal. The manager, Mr. He Jun, believes this move is a great opportunity to cash in on the Middle Eastern and Central Asian markets. The picture shows an ad of this beverage. See my post on Halal food for more details.
In the course of 2020, China’s oldest still operative pharmacy, Tongrentang in Beijing, opened two cafes that serves coffee enriched with various medicinal herbs, including goji.
Goji as snack
With the increased interested in healthier food, dried goji berries have become an interesting snack. Check out this small helping of goji by Qilixiang.
I may add more products in the future.
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