To obtain a vegetable-derived nonfreezable active substance safely usable as a component for a food and a food add-in material and to provide a method for safely producing the nonfreezable active substance.
This nonfreezable active substance is extracted from a vegetable capable of growing at a low temperature of ≤180°C or a vegetable plant having low-temperature resistance. This method for producing the nonfreezable active substance is characterized in that the nonfreezable active substance is derived or accumulated by laying a vegetable at a temperature environment of ≤18°C or a vegetable is treated with a salicylic acid- or abscisic acid-containing substance and laid at a low-temperature environment to raise a nonfreezable active substance content and the nonfreezable active substance is collected from the plant body.
KAWAHARA HIDEHISA
KOMURA KEIGO
KANEKO SHOJI
SAKAMOTO NORIKO
IKEDA SHOKKEN KK
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