Tencha production process (New Tencha manufacturing method)
Tencha is the ingredient of Matcha.
Recently demand for Matcha has been increasing not only in Japan but on also a global scale.
To respond to that demand Terada suggests new line structure using [super-heated parching machine] as new Tencha manufacturing method.
And also, by using Tencha furnace or net conveyor type dryer after [super-heated parching machine], Tencha which is suitable for the demand can be manufactured.
Recently demand for Matcha has been increasing not only in Japan but on also a global scale.
To respond to that demand Terada suggests new line structure using [super-heated parching machine] as new Tencha manufacturing method.
And also, by using Tencha furnace or net conveyor type dryer after [super-heated parching machine], Tencha which is suitable for the demand can be manufactured.
Plucking
Carefully plucks new shoot that have been carefully cultivated.
- ・Harvesting time：From mid-April
- ・Transport to the tea factory
Fresh leaf management process
Fresh leaf container
Stock fresh leaves temporarily & blow air to maintain freshness.
- ・Time：～ few hours
- ・Moisture：400% D.B
- ・Moisture：80% W.B
- ・Leaf weight：100kg (Tentative)
Steaming process
Steamer
Steams with steam & deactivates oxidase.
- ・Time：1min
- ・Moisture：400% D.B
- ・Moisture：80% W.B
- ・Leaf weight：100kg
Steaming process
Super-heated parching machine
Dries while deactivating oxidase with hot air.
- ・Time：2min
- ・Moisture：200% D.B
- ・Moisture：67% W.B
- ・Leaf weight：60kg
Drying process
Tencha furnace
Dries leaf with convection heat transfer of furnace without rolling.
- ・Time：30min
- ・Moisture：14% D.B
- ・Moisture：12% W.B
- ・Leaf weight：23kg
Drying process
Net conveyor type dryer
Dries the leaves without rolling with large flow of hot air.
- ・Time：30min
- ・Moisture：14% D.B
- ・Moisture：12% W.B
- ・Leaf weight：23kg
Drying finishing process
Pneumatic separator
Separates leaf & stalk.
- ・Time：10min
- ・Moisture：14% D.B
- ・Moisture：12% W.B
- ・Leaf weight：23kg
Drying finishing process
Tea dryer
Dries to be able to store & improves the aroma.
- ・Time：30min
- ・Moisture：5% D.B
- ・Moisture：5% W.B
- ・Leaf weight：21kg
