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Add sugar to the blackberries before freezing, as this helps preserve their natural color and texture integrity during the freezing process. It also allows the blackberries to be stored frozen for a longer period. The washing process for frozen sweet blackberries is the same as that for unsweetened frozen blackberries: rinse them gently, drain well, then air-dry naturally or pat them gently with a soft towel to remove excess moisture.

Frozen blackberries are a veritable nutritional treasure trove. They are rich in anthocyanins, a powerful type of antioxidant. In fact, every 100 grams of blackberries contains approximately 200-250 milligrams of anthocyanins. These antioxidants help combat oxidative stress in the body and reduce the risk of chronic diseases such as heart disease and cancer. Additionally, blackberries are an excellent source of vitamin C, with about 20 milligrams of vitamin C per 100 grams. Vitamin C is crucial for a healthy immune system and skin health.

Grapes are a much-loved fruit—they not only taste delicious but also are packed with nutrients. But have you ever tried freezing grapes in the fridge before eating them? Today, I want to explore with you the benefits and effects of frozen grapes, as well as how long they can stay fresh.

Frozen Cauliflower is a common vegetable food. Compared with fresh Cauliflower , it has similar nutritional value, but its vitamin C content may be slightly lower. It has effects such as promoting digestion, preventing cancer, and can assist in weight loss and improving skin health. However, it is not advisable to consume it together with Cauliflower , high-sodium foods, alcohol or spicy foods.

Frozen carrots are safe for consumption, but they require appropriate handling before eating. Frozen carrots not only retain most of their nutritional components but also have an extended storage life.

Frozen Broccoli is rich in nutritional value, and these nutrients play important physiological roles in the human body, thereby bringing numerous health benefits:

High vitamin C content: Each 100 grams of frozen raspberries contains as much as 26 mg of vitamin C, which is much higher than that of oranges of the same weight.

Blueberries are known as the "king of berries" and have high nutritional value. They are rich in various amino acids, sugars, vitamins, minerals, and dietary fiber, with particularly high contents of anthocyanins and flavonoids. Almost all the main effects of blueberries are related to the anthocyanins and flavonoids they contain, specifically as follows:

Asparagus, also known as "dragon whisker vegetable" and scientifically named Asparagus officinalis, is a perennial herbaceous plant with a perennial root system in the genus Asparagus of the Liliaceae family, which can form tender stems. We mainly eat its tender stems, which are fresh, tender and delicious. Asparagus is native to Eurasia and was a precious ingredient in ancient Greek and Roman times before being introduced to China. At present, China's asparagus planting area and output rank first in the world. There are green asparagus, white asparagus and purple asparagus, among which green asparagus is the most common and has the highest output.

Colored bell peppers are low in calories and high in water content, and are known as the king of vitamin C among vegetables. Green bell peppers mainly contain chlorophyll, which is rich in the trace element iron and has a certain blood-nourishing effect. It can also kill bacteria, reduce inflammation, and promote the healing of local skin ulcers. Yellow bell peppers mainly contain nutrients such as zeaxanthin and β-carotene, which are very beneficial to eye health and can protect eyesight. Red bell peppers also contain zeaxanthin and β-carotene, in addition to capsanthin, which has a strong antioxidant effect.

History of Spinach Cultivation: As early as 2,000 years ago, spinach was grown in ancient Persia (now Iran), so it is also known as "Persian grass". In the 11th century, it was introduced to Spain. In the 13th century, it was widely cultivated in Germany and then spread to various European countries. When the early colonies were established, it was introduced to the United States. In 1806, spinach began to be widely grown in the United States and was included in the American seed catalog. Spinach spread westward to Arab countries, Europe and Africa, and eastward to India, Nepal and China, and is now widely cultivated around the world.

Clean the picked spinach to remove sediment, impurities, and withered leaves.