referring to fig1 to 3 , a method 1 of processing food from plants and processing apparatus thereof in accordance with a first preferred embodiment of the invention are illustrated below . as illustrated in fig1 , the method 1 comprises the following steps : ( a ) collecting step 11 involves collecting non - toxic , no heavy metal polluted plants as food source and storing same . ( b ) preliminary processing step 12 involves separating , classifying and cutting the plants from ( a ). ( c ) soaking step 13 involves soaking the plants from ( b ) in water containing 20 - 60 ppm oxygen for about 20 minutes so as to revitalize cells of the plants . ( d ) wind drying step 14 involves drying the plants from ( c ) by blowing in the wind in an environment of about 35 ° c . so as to preserve nutrients contained in the plants . ( e ) cool drying step 15 involves drying the plants from ( d ) by freezing in order to removing excess water and preserving the nutrients of the plants . ( f ) coarse pulverization step 16 involves pulverizing the plants from ( e ) into food powder sized about 100 pm by a coarse grinder in a low temperature environment . ( g ) fine pulverization step 17 involves further pulverizing the food powder from ( f ) into fine food powder sized less than 1 μm by using a fine grinder by breaking cell walls of the food powder in a low temperature environment so as to substantially releasing nutrients contained in the food powder . ( h ) packaging step 19 involves packaging the fine food powder from ( g ) into cartons , tablets , capsules , or cartons containing solved fine food powder as food manufacturer selection . as shown in fig2 and 3 , the processing apparatus 2 comprises a tank 21 associated with soaking step 13 ; a drying device 22 associated with wind drying step 14 ; a refrigeration device 23 disposed downstream of the drying device 22 for carrying out cool drying step 15 ; a coarse grinder 24 disposed downstream of the refrigeration device 23 for carrying out coarse pulverization step 16 in a low temperature environment ; and a fine grinder 25 disposed downstream of the coarse grinder 24 for carrying out fine pulverization step 17 in a low temperature environment . the processing apparatus is the subject of china invention patent no . cn101381177 and is characterized in that soaking the plants in water containing high oxygen for about 20 minutes , wind drying the plants by using a drying device 22 , cool drying the plants by using a refrigeration device 23 , coarse pulverizing the plants into food powder sized about 100 μm by a coarse grinder 24 in a low temperature environment , fine pulverizing the coarse food powder into fine food powder sized less than 1 μm by using a fine grinder 25 by breaking cell walls of the coarse food powder in a low temperature environment , and packaging the fine food powder into cartons , tablets , capsules , or cartons containing solved fine food powder capsules as food manufacturers selection . consumers may pour water into a container ( e . g ., cup ) filled with fine food powder to solve same prior to drinking . alternatively , consumers may eat the tablets or capsules , or drink the carton containing solved fine food powder directly . moreover , the food materials chosen by the invention are processed by wind drying in low temperature and cool drying so that water contents is greatly decreased . typically , about 80 - 90 wt % of the plants are removed . for example , 800 kg powder can be obtained from 10 tons plants . thus , the invention can obtain nutrients from plants , reduce food weight , save storage space , decrease transportation cost , and facilitate shipping . moreover , a small amount consumption of the food powder of the invention is sufficient for the energy of several hours work . further , the food powder of the invention can be packaged as cartons and consumers can open and pour powder into a cup filled with water prior to drinking . alternatively , the food powder of the invention can be packaged as tablets or capsules for consumption . still alternatively , a person may drink the carton containing solved fine food powder directly . nowadays , health is concerned by more and more people throughout the world . thus , green teas , roses , jasmine teas , or the like are popular drinking materials . typically , people pour hot water into a cup filled with teas for brewing for several minutes . however , it may destroy nutrients of the tea . to the contrary , powder sized less than 1 μm can be obtained by performing above steps of the invention . further , nutrients of the plant - based foods are sufficiently released from it due to breakage of cell walls . thus , people may pour water into a cup filled with the food powder of the invention prior to drinking . alternatively , people may eat the food powder packaged in capsules or tablets according to the invention . any ordinary artisans may take advantage of the food processing method of the invention to process other food sources such as oats , grains , yams , potatoes , beans , high nutrition , non - toxic , non heavy metal polluted herbs , edible flowers , etc . thus , a great variety of food sources can be employed by the invention . it is envisaged by the invention that the food processing method of the invention can solve the hunger crisis of the world if being implemented . moreover , any ordinary artisans may take advantage of the food processing method of the invention to process still other food sources such as ginseng , cinnamon , grains of paradise , etc . into powder sized less than 1 μm ( i . e ., nanometer grade ). such nanometer powder can be quickly consumed by humans . referring to fig4 to 6 , a method 1 of processing food from plants and processing apparatus thereof in accordance with a second preferred embodiment of the invention are illustrated below . as illustrated in fig4 , the method 1 comprises the following steps : ( a ) collecting step 11 involves collecting non - toxic , no heavy metal polluted plants as food source and storing same . ( b ) preliminary processing step 12 involves separating , classifying and cutting the plants from ( a ). ( c ) soaking step 13 involves soaking the plants from ( b ) in water containing 20 - 60 ppm oxygen for about 20 minutes so as to revitalize cells of the plants . ( d ) wind drying step 14 involves drying the plants from ( c ) by blowing in the wind in an environment of about 35 ° c . so as to preserve nutrients contained in the plants . ( e ) cool drying step 15 involves drying the plants from ( d ) by freezing in order to removing excess water and preserving the nutrients of the plants . ( f ) coarse pulverization step 16 involves pulverizing the plants from ( e ) into food powder sized about 100 μm by a coarse grinder in a low temperature environment . ( g ) fine pulverization step 17 involves further pulverizing the food powder from ( f ) into fine food powder sized less than 1 μm by using a fine grinder by breaking cell walls of the food powder in a low temperature environment so as to substantially releasing nutrients contained in the food powder . ( h ) food additives adding step 18 involves adding desired substances ( e . g ., other plant - based food powders ) to the fine food powder from ( g ) in order to preserve flavor and / or enhance its taste and appearance . ( i ) packaging step 19 involves packaging the food additives added fine food powder from ( h ) into cartons , tablets , capsules , or cartons containing solved fine food powder as food manufacturer selection . as shown in fig5 and 6 , the processing apparatus 2 comprises a tank 21 associated with soaking step 13 ; a drying device 22 associated with wind drying step 14 ; a refrigeration device 23 disposed downstream of the drying device 22 for carrying out cool drying step 15 ; a coarse grinder 24 disposed downstream of the refrigeration device 23 for carrying out coarse pulverization step 16 in a low temperature environment ; a fine grinder 25 disposed downstream of the coarse grinder 24 for carrying out fine pulverization step 17 in a low temperature environment ; and a blending device 26 disposed downstream of the fine grinder 25 for uniformly mixing the fine food powder with other desired food powder prior to packaging ( step 19 ). the characteristics of the second preferred embodiment are substantially the same as that of the first preferred embodiment except the following : food additives adding step 18 follows fine pulverization step 17 and involves adding desired substances to the fine food powder in order to preserve flavor and / or enhance its taste and appearance . a blending device 26 is disposed downstream of the fine grinder 25 for uniformly mixing the fine food powder with other desired food powder prior to packaging ( step 19 ). by observing above steps in mind , consumers may consult with experts or dealers about how to prepare health food from the fine food powder . herbs have been taken as health food in asia for a long time . recently , such trend has spread to western world . herbal medicine is included in traditional chinese medicine which has been practiced by chinese people for thousand years . consumers may take advantage of the food processing method of the invention to process a wide range of food sources , including but not limited to , plants , into nanometer grade powder . consumers may pour water into a cup filled with the fine food powder to solve same prior to drinking . alternatively , consumers may eat the tablets or capsules , or drink the carton containing solved fine food powder directly . such nanometer powder can be quickly consumed by humans . plants employed by the invention can be grown in regions full of water for quick harvest . moreover , any plants having quick growth and non - toxicity features can be chosen as plant - based foods by the invention . ( 1 ) the invention involves soaking plants in water full of oxygen for revitalizing cells . such plant - based foods can be employed as food reserves , emergency foods , and foods for disaster relief . further , it can solve world hunger crisis . ( 2 ) 800 kg powder can be obtained from 10 tons plants . thus , the invention can obtain nutrients from plants , reduce food weight , save storage space , decrease transportation cost , and facilitate shipping . ( 3 ) wind drying and cool drying steps are performed so as to preserve nutrients contained in the plants . further , fine plant powder can be quickly absorbed for providing sufficient energy for daily work . ( 4 ) the invention involves a dry pulverization step to grind plants into fine food powder sized less than 1 μm by using a fine grinder by breaking cell walls of the food powder in a low temperature environment so as to substantially releasing nutrients contained in the food powder . people can pour the powder into cup filled with warm water prior to drinking . ( 5 ) the invention involves a wet pulverization step to grind plants into fine food powder sized less than 1 μm by using a fine grinder by breaking cell walls of the food powder in a low temperature environment so as to substantially releasing nutrients contained in the food powder . after eating , the fine plant powder can be quickly absorbed by digestive organs of human beings . ( 6 ) the invention involves soaking plants in water full of oxygen for revitalizing cells . such plant - based foods are beneficial to health . ( 7 ) the plant - based foods of the invention can be mixed with other food powder to prepare packaged foods . they are very good to health . ( 8 ) the powder of the invention can be packaged in the forms of tablet or capsule for consumption . alternatively , the powder of the invention can be packaged in cartons containing solved fine food powder as food manufacturer selection . while the invention has been described in terms of preferred embodiments , those skilled in the art will recognize that the invention can be practiced with modifications within the spirit and scope of the appended claims .
a method of processing food from plants and processing apparatus thereof is provided . the cost effective method includes selecting , preliminary processing , soaking , wind drying , cool drying , coarse pulverizing , and fine pulverizing into nanometer scale food powder . the food powder can be easily consumed by human being . it can be preserved for a prolonged period of time . it is nutritious . moreover , the food powder is easy to store and transport in a space saving manner .