Furthermore, according to the present invention, {HEAD ~ the obtained extract} may be dried at a temperature as low as possible by spray drying, vacuum drying or freeze drying, whereby a powder having {TAIL ~ a good quality} and a high storage stability is obtained without no substantial deterioration by evaporation due to drying 
Furthermore , according to the present invention , { HEAD ~ the obtained extract } may be dried at a temperature as low as possible by spray drying , vacuum drying or freeze drying , whereby a powder having { TAIL ~ a good quality } and a high storage stability is obtained without no substantial deterioration by evaporation due to drying
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