@

Table 5

Minimum inhibitory concentration (ppm) of tea catechins against

Some heat-resistant, spore-forming bacteria

@

@

Tea catechins

C.botulinnm

B.subtilis

B.stearothermophilus

D.nigrificans

spore

Vegetative

cells

Spore

Vegetative

Cells

spore

Vegetative

cells

spore

Vegetative

Cells

Crude Catechin@

300@

<100

>1000

>800

300

200

<100

>1000

EGCE

>1000@

300

>1000

>800

1000

300

500

>1000

C@

>1000@

>1000

>1000

>800

>1000

800

500

>1000

EGCg@

200@

<100

1000

>800

200

200

200

>1000

Ecg@

200@

200

900

>800

300

<100

<100

>1000

Crude theaflavins

200

200

600

700

300

200

<100

>1000

@

EGC : (-) -epigallocatechin gallate, EC : (-) -epicat-chin,

EGCg : (-) -epigallocatechin gallate, Ecg : (-) -epicatechin gallate