1.   full energy, and good vitamin b1 and b5   

an annual plant is a plant that usually germinates, flowers, and dies in one year. true annuals will only live longer than a year if they are prevented from setting seed. some seedless plants can also be considered annuals though they do not grow a flower.  

sunflowers (helianthus annuus) are annual plants native to the america that possess a large inflorescence (flowering head). sunflower stems can grow as high as 3m (10 ft), and the flower head can reach 30 cm (11.8 in) in diameter with large edible seeds  

2.       using for  

Sunflower Oil - extracted from the seeds - is used for cooking, as carrier oil and to produce margarine and biodiesel, as it is cheaper than Olive Oil. a range of sunflower varieties exist with diffrent fatty acid compositions; some 'high oleic' types contain a higher level of healthy mono unsaturated fats in their oil than even olive oil.    

3.       keeping way   

for keeping sunflower seed in warehouse, it needs low temperature and driy air; you can use plastic or any kinds of these materials for packaging.  

4.       market and export  

iranian sunflower total products in the year of 2008 was over 125420mt, the total surface on the farm 131467 hectares, the average of the product  954kg per hectare and the average of exporting to overseas 64315 mt.   

5.       other virtues  

Sunflower Seeds are more commonly eaten as a healthy snack than as a part of meal. they can also be used as garnishes or ingredients in various recipes. the seeds may be sold as in-shell seeds or dehulled kernels. the seeds can also be sprouted and eaten in salads.  

when in-shell seeds are processed, they are first dried. afterwards, they may also be roasted or dusted with salt or flour for preservation of flavor. dehulling is commonly performed by cracking the hull with one's teeth and spitting it out while keeping the kernel in the mouth and eating it.