| Grades |
1 |
2 |
3 |
4 |
5 |
6 |
| Color of old slant culture (1) |
Brown |
|
Brown with green |
|
|
Green |
| Diameter (mm) of colony at 34℃ (2) |
20-30 |
30-40 |
40-50 |
50-60 |
60-70 |
70-80 |
| Colony |
Reverse side |
Wrinkling (3) |
-
plane |
+
faint |
++ |
+++ |
++++ |
+++++
evident |
| Color (4) |
-
colorless |
+
faint |
++ |
+++ |
++++ |
+++++
deep |
| Sclerotium (5) |
-
absence |
+
few |
++ |
+++ |
++++ |
+++++
abundant |
| Roughness of stalk (6) |
-
smooth |
+ |
++ |
+++ |
++++
coarsely rough |
+++++
coarsely rough |
| Length of stalk(mm) (7) |
0.2-0.6 |
0.6-1.2 |
0.8-1.4 |
1.2-1.8 |
1.6-2.8 |
3-6 |
| Diameter of vesicle(μ) (8) |
6-15 |
15-25 |
20-30 |
25-35 |
30-40 |
40-80 |
| Roughness of conidia (9) |
-
smooth |
+ |
++ |
+++ |
++++
echinulate to
tuberculate |
+++++
echinulate to
tuberculate |
| Diameter of conidia(μ) (10) |
3-4 |
4-5 |
5.2-5.6 |
5.8-6.2 |
6-7 |
7-10 |
| Ratio (％) of biseriate sterigmata (11) |
-
under
several ％ |
+
several ％ |
++
over several ％ |
+++
20％ |
++++
40％ |
+++++
over 60％ |
| Production |
Kojic acid (12) |
|
|
|
|
|
|
| Pigments (13) |
| Aflatoxins (14) |
| Amylase (15) |
| Coloration of hydroquinon (16) |
-
uncolored |
+
faint |
++ |
+++ |
++++ |
+++++
dark red |
| Reduction of Methylene blue (17) |
-
over 24hr |
+
20hr |
++
9hr |
+++
6hr |
++++
3hr |
+++++
under 1hr |
| Browning of rice koji (18) |
-
none |
+
faint |
++ |
+++ |
++++ |
+++++
black |
| Color of conidia |
MCA-medium(19) |
-
none |
+
pale pink |
++ |
+++ |
++++ |
+++++
dark pink |
| MCH-medium(20) |