私人电影网Lotus seeds are edible kernels of the lotus plant. The seeds are enclosed inside the "water can spout-like" fruit pod, arranged in a concentric fashion.
Lotus is a herbaceous perennial, belonging to Nelumbonaceae family of aquatic plants. Scientific name: Nelumbo nucifera. Since ancient times, lotus flowers, roots and seeds esteemed in the Chinese and Japanese cultures. The seeds, however, symbolises the complete representation of all the four cardinal elements of nature; earth, water, air and heat.
|Lotus fruit pod. Note for the raw seeds enclosed inside polygonal pits. Photo courtesy: .|
Lotus seeds and roots私人电影网 are a major crop in Hubei, Hunan, Fujian, and Jiangxi provinces. Although perennial, the lotus plant flowers each year completig the cycle fro dormant, root eruption, flowers and seeds and again assuming dormant state again during winter. Its roots and stem grow under the water, while its large green leaf pads and flowers float on the water surface. Lotus buds begin blooming onto flowers by summer.
The flowers are white to pink, sweet-scented, 10-25 cm diameter and attract many insects including honeybees. Round, disc-like soft fruit pods develop from fertilized flowers. Each soft pad consists of polygonal pits encasing ovoid seeds. Mature seeds are black, possess hard outer shell and ovoid, mesuring about the size of a green pea私人电影网. Inside, the dicotyledon kernel is creamy-white with light green plumule in between the cotyledons Fresh, raw lotus kernel has sweet chewy texture and taste like that of green almonds. Dried seeds has taste similar to chickpeas.
|Dried Lotus kernels and green embryos (Lian zi xin)|
Inside of each lotus kernel, a light green plumule exist in between the two cotyledons. This lotus plumule is the embryonic shoot of the lotus plant. Botanical name: Plumula Nelumbinis Nuciferae. The plumule consits of two prominent inrolled leaves with attendant stem. Farmers separate these embryos from the kernel by gently pulling up using fingers. These pluules are dried in the sun to use in medicines and tea (lian xin cha).
Raw, fresh lotus seeds are sweet and chewy, while dry seeds are crunchy, and delicious only after baked. Fresh raw seeds carry just 89 calories per 100 g; while dry kernels hold 324 calories per 100 g.
Lotus seeds energy chiefly comes from carbohydrates and proteins unlike as in other tree nuts whose high calorific value is mainly because of fats.
私人电影网The seeds are also packed with fiber, vitamins, minerals, and numerous health promoting antioxidants.
私人电影网Dry lotus seeds contain 15.4 g or 27% daily required levels of protein. Phenylalanine, tyrosine, leucine and lysine were the essentail amino acids in them. Studies revealed that the lotus seed protein is nutritionally well-balanced protein and might be of significant importance in the formulation of diets for humans.
Like other dicotylednous plant seeds, lotus seeds too are free from gluten protein. They can be safely used in the gluten-free food preparations as a healthy alternative in patients with the wheat gluten allergy, and celiac disease.
Fresh as well as dry lotus kernels are an excellent source of folates私人电影网. 100 g seeds provide 104 μg or 26% of folates. Folate along with vitamin B-12 is one of the essential components of DNA synthesis and cell division. Adequate folate diet during pregnancy may help prevent neural-tube defects in the newborns.
Lotus kernels are also an excellent source of the B-complex group of vitamins such as thiamin (53% of RDA/100 g), riboflavin (11.5% of RDA/100 g), niacin, pantothenic acid and vitamin B-6 (48% of RDA//100 g). These vitamins work as cofactors for various enzymes during cellular substrate metabolism in the human body.
Moreover, the seeds contain excellent amounts of minerals like manganese (100% of RDA//100 g), potassium (29% of RDA/100 g), calcium, iron (44% of RDA//100 g), magnesium, zinc and selenium. Manganese is an all-important co-factor for antioxidant enzyme, superoxide dismutase私人电影网. Together with other antioxidants like vitamin-A, consumption of lotus kernels may help in boosting immunity to fight against infectious agents and scavenge harmful oxygen-free radicals.
In the traditional Chinese medicine (TCM), lotus seeds and plumule occupy special therapeutic importance. Research studies suggest that alkaloids in lotus plumule like liensiline, neferine and isoliensiline possess sedative, antispasmodic and antihypertensive which is beneficial to heart.
TCM recognises lotus seed as a yin energy food. It dispels excess heat from the heart and spontaneous bleeding episodes due to heat.
According to TCM lotus seed falls in the category of "sweet flavor" food. The alkaloid compounds actually slow down acute reactions and neutralize the toxic effects of other foods, and also lubricate and nourish the body.
私人电影网In TCM, lotus plumule has been advoacated for sleep promotion, and to ease conditions associated with seminal and vaginal discharge.
|Principle||Nutrient Value||Percentage of RDA|
|Total Fat||1.97 g||10%|
|Pantothenic acid||0.851 mg||17%|
|Vitamin A||50 IU||1.66%|
|Vitamin C||0 μg||0%|
私人电影网The green embryos (lotus plumule) in the seeds are bitter and should be removed prior to selling in the markets as food product. Raw, fresh lotus kernels can be readily available during the harvest season in the local markets around great lake counties in Hunan, Fujian, Hubei, and Jiangxi provinces in China. However, dry seeds can be readily sold in the stores around many parts of the world, including the USA. One may find whole seeds, popped, hulled, roasted, etc., put for sale in the grocery stores.
While buying hulled, whole dry seeds choose uniform, compact, cream-white seeds that feel heavy in hand.
私人电影网Avoid thin, small-sized, shriveled seeds as they yield poor-quality kernel. They should be free from cracks, mold, and spots and free of rancid smell.
Whole black seeds with hard coat keep well for many years. Hulled lotus kernels should be placed in an air-tight container and stored in cool, dry place.
|Mid-autumn festival lotus seed paste cake
Photo courtesy: .
Fresh as well as dried lotus seeds can be eaten raw and cooked. Dry seeds soaked in hot water to soften, like red beans before using them in cooking. The seeds can be ground into powder, used in bread making, and popped like popcorn.
Here are some serving tips:
Fresh, raw kernels can be enjoyed as a healthy snack.
Lotus seeds paste is a prized ingredient in the preparation of Mid-Autumn Festival- moon cake (yue bing).
Baked lotus seed soup (Lian Chee Suan) is a delicious recipe in the southern China.
Pureed lotus seeds can be added in congee (porridge) as a healthy breakfast.
In India and Pakistan, lotus seeds are popular as phool makhana. They puffed like popcorn and added in kheer (sweet porrridge), curry, and in sabzi with other vegetables (aloo-makhana).
Lotus plumule infusion (Lian zi xin cha) is a healthy herbal tea drink.
Lotus seeds contain green embryo (plumule) in between the cotyledons. These plumules carry bitter alkaloids and should be removed before consumption. Plumules, on the other hand, used limitedly as a healthy herbal tea. Embryo treated seeds are safe in pregnant women. (Medical disclaimer).
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私人电影网 J. Sci. Food Agric., 93: 1070–1075. doi:10.1002/jsfa.5848
私人电影网-active principles in lotus plumule.