2. History
Origin and Spread of Soyabean
•Soybean production was localized in China until after the Chinese-
Japanese war of 1894-95, when the Japanese began to import
soybean oil cake for use as fertilizer
•Europeans had been aware of soybeans as early as 1712 through the
writing of a German botanist
•Some soybean seed may have been sent from China by missionaries as
early as 1740 and planted in France
•Shipments of soybeans were made to Europe about 1908, and the
soybean attracted worldwide attention
26. Flow chart of tempeh production.
Soybeans
I
De-hull Hulls
(mechanical or by soaking)
I
Water Soak 100 °C for 30 min in acidified
water
(with lactic or acetic acid to pH 4.3-5.3
I
Cook in soak water for 90 min at 38°C
I
Drain and dry soybeans Water
I
Rhizopus oligosporus Inoculate and bag
.
I
Incubate at 35-38 °C
& 75-78% relative humidity for 18 to 24 hours.
I
Refrigerate