Goji Berry is a native plant of China. It is a deciduous shrub with bright red color, rich in vitamin C, fiber, iron, vitamin A, zinc, other antioxidants, and 8 essential amino acids that the body cannot synthesize.
In Asia, people enjoy eating goji berries as an elixir. Because it is believed to help longevity. Eating fresh fruit, used for cooking, processed into herbal tea, fruit juice, wine as well as used to make medicine. Often using the dried fruit and root bark. Which is believed to have the effect of drug treatment for many diseases such as diabetes, cancer, etc., and help maintain eyesight. Relax and help solve other health problems.
From a Natural Medicines Comprehensive Database, there are seven levels of reliability of natural alternative therapies: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective), and Insufficient Evidence to Rate). As for the therapeutic properties of most goji berries, there is insufficient evidence to suggest their efficacy. Some studies have studied goji berry for its therapeutic benefits as follows.
Improve the quality of life
Clinical research on the medicinal properties of goji berries alone is rare. They are most often used in combination with various herbs for medicinal purposes. From a study of the efficacy of goji berries on the immune system, wellbeing and safety in 60 people 55-72 years old, consuming 120 ml of goji berries per day. (Equivalent to 150g fresh goji berries) compared to placebo for 30 consecutive days.
The results showed that the group taking goji berries had a better immune response compared to the placebo. In addition, They had improved many aspects of their well-being, such as short-term memory, attention deficit, tiredness, and sleep.
Another study on the effectiveness of goji berry juice on general effects. To compare with a solution placebo in 34 healthy adults, drinking 120 ml of goji berry juice per day was found. Consecutive 14 days. Helps to improve health in various areas and restore the functioning of the nervous system and mind. Including the work of the digestive system to improve. However, more studies should be done to help confirm the effect of goji berries on health, Because it is the evaluation by using a questionnaire but there was no direct test.
Former clinical study of the use of goji berries as an adjunct treatment in 79 patients with multiple metastatic cancer. It was found that immunotherapy combined with Goji Berry Lycium Barbarum Polysaccharides (LBPs) slowed the spread of cancer cells. Therefore, it is believed that goji berries may help fight cancer in patients.
This is consistent with another study on the efficacy of goji berries on colon cancer. Patients were given 100-1,000 mg of LBPs for a period of 1-8 days. The results showed that long-term treatment with LBPs inhibited the growth of colon cancer cells. This research suggests that polysaccharides found in goji berries may be anti-cancer compounds.
Goji berry is believed to be a traditional medicine that increases the metabolic rate and reduces body weight. Based on a pilot clinical study of goji berries on body metabolic rate and waist circumference in healthy adults. Both men and women in a period of 14 days. In the experiment, it was divided into two groups. The first group ate 30, 60, and 120 ml goji berries per day.
Compared with the placebo group The results showed that the extract concentrations had different effects on the metabolic rate after eating. The group who received 120 ml of goji berry per day was the highest metabolic rate after eating. After 14 days, the participants’ waist circumference was also reduced. While the placebo group rarely saw the change.
However, a systematic analysis of 548 studies examining the efficacy of goji berry supplements on the risk of cardiovascular disease and metabolism. The results showed that the goji berry supplement did not affect body weight, blood lipid levels, and blood pressure. However, it was found to be related to blood sugar control. The information found above, both from the study and the analysis of the research data, is conflicting. Therefore, it may have to wait for further evidence of further research in the future.
A study of the use of polysaccharides in goji berries was studied in 67 patients with type 2 diabetes mellitus to look at blood sugar and lipid levels. The first group was to eat 300 mg polysaccharide per day. After having dinner and the other group was a placebo, Then follow up for 3 months.
The results showed that the patients had lower blood sugar levels and increased good cholesterol levels. This study indicated that polysaccharides were beneficial in the treatment of type 2 diabetes. However, it was a small and short-term trial. Therefore further studies are needed in the future.
Goji berries are rich in antioxidants. Especially Zeaxanthin Dipalmitate, which is a component of the retina. It is believed that it may have eyesight maintenance properties and reduce the risk of certain eye diseases in the elderly.
In a study of 14 healthy elderly participants, divided into two groups, they took a supplement containing 15 grams of goji berries a day (about 3 milligrams of zeaxanthin) compared with the other group. Who are taking supplements that do not contain goji berries over a period of 28 days, it was found that regular consumption of moderate amounts of goji berries increases the blood levels of zeaxanthin quickly. Which may contribute to better vision.
This is in line with another study looking at how antioxidants affect eye health. Especially zeaxanthin In a trial, a healthy elderly group, aged 65-70 years, consumed 13.7 grams of goji berry juice per day compared with placebo for a period of 90 days. Then check the eye health The results were similar. The group who took goji berry supplements had higher levels of zeaxanthin and antioxidants. But there was no increased degeneration in other areas of the eye compared to the placebo group.
Therefore, it is believed that eating goji berries may help vision and slow down some eye diseases in the elderly. However, there is not enough evidence to conclusively. Further studies of zeaxanthin for retinal changes are still needed.
Other diseases and conditions such as dry eyes, high blood pressure, fever, malaria, blood, and lymph circulation disorders. Erectile dysfunction Dizziness, tinnitus, some research, and research believe that goji berries may contribute to these diseases. But evidence of the efficacy and safety of eating goji berries remains for additional therapeutic purposes.
Eating goji berries safely
The beliefs and the use of herbs exist since ancient times. Some of them still need to be studied over the long term to see performance and safety, In general, eating goji berries daily does not cause side effects in both children and adults. But there are some precautions in eating as follows:
- People with diabetes should avoid eating goji berries. Especially the part that comes from the root bark of the goji berry. Because it may cause blood sugar levels to drop And should regularly measure blood sugar levels.
- People who are allergic to protein, Tobacco products, certain fruits like tomatoes or peaches, and some nuts be careful when using and consult your doctor before eating. If you have any allergies or disorders, stop taking it, and see your doctor.
- Goji berries can cause blood pressure to drop. Elderly people with low blood pressure Hypertension Or taking drugs that affect blood pressure should avoid eating.
- Eating goji berries for a short time is relatively safe. But in some cases, there may be minor side effects such as nausea and vomiting.
- Pregnant women should avoid eating goji berries. This is because it contains betaine that may increase the risk of miscarriage. Including mothers during breastfeeding Because there is still no security confirmation information.
-Goji berry may interact with certain herbal drugs and supplements when taken together, such as drugs that need to be absorbed through the liver enzyme Cytochrome P450, diabetes medications. Medicines to treat high blood pressure Warfarin, also known as Coumadin, is used in cases of oral medication or underlying medical conditions. Always consult your doctor before eating goji berries.
- Eating large quantities of goji berries is also a risk of vitamin A toxicity.
Goji berries can be a very beneficial fruit for your health. But in terms of treating diseases or conditions, there is no clear clinical evidence of efficacy and validation of the use of goji berries alone for prophylaxis. However, it is also important to maintain a healthy body and see your doctor when you are sick.