The Nisshin Oil Mills, Ltd.

Tateo Murui

Hiroshi Kanda

Satoshi Negishi

Junko Suzuki

Seiichi Shirasawa

Moritaka Takada

Kenichi Kuriyama

Yuko Hanai

Lignan glycosides having a hydroxy radical scavenging activity and represented by the formula: ##STR1## where R is a glycosyl residue selected from the group consisting of glucose, galactosr and fructose, m is an integer of 1 to 3, and n is 0 or 1.

Lignan glycosides and hydroxy radical scavengers

The transesterification method is conducted with a powdery lipase wherein the powdery lipase is dispersed in ester-containing starting materials in the presence or absence of an inert organic solvent, and the diameter of at least 90% of the dispersed lipase particles is kept in the range of 1 to 100 .mu.m in the course of the trans-esterification reaction. A reactivity higher than that realized by the conventional transesterification method with a powdery lipase is obtained and the lipase can be easily recovered and reused, without causing a loss of the lipase activity, lowering of the conversion due to the residence of the substrate on the immobilizing carrier and side reactions caused by water introduced into the reaction system by the immobilizing carrier.

Transesterification method using lipase powder with a particle diameter

A stable semisolid egg yolk-free dressing is obtained by emulsifying an edible oil with an aqueous neutral solution of soybean protein, and lastly mixing vinegar therein.

Process for preparing semisolid dressing

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Tokyo, Japan

Tateo Murui