Spearmint 515
Ta
ble 31.3
Effect of development stage on oil content (%) and per
cent content of major impor
tant terpenoids in
M. spicata
cultivars
Name
Mode of Period
Oil
Percent contents of major oil components
of
planting between
content Carvone Limonene 1,8-
3-
Menthone Isomenthone Neomenthol Menthol
b-Bour
b-Caryo- Sabinene
cultivar
planting &
%
Cineole Octonol
bonene phyllene
hydrate
harvesting
Arka
By
(i) 70 DAP
0.40
72.3
8.7
3.1
0.8
–
–
–
–
1.2
0.9
0.70
stolons
(ii) 100 DAP 0.55
62.1
16.2
2.0
0.4
–
–
–
–
0.9
0.9
1.50
Neera
-do-
(i) 70 DAP
0.25
67.5
4.9
4.7
0.3
–
0.8
–
0.7
4.1
–
–
(ii) 100 DAP 0.34
44.2
25.4
6.5
0.4
–
0.5
–
0.1
3.4
–
–
MSS-5
-do-
(i) 70 DAP
0.38
80.2
1.2
0.6
0.6
–
–
–
–
1.2
2.4
0.8
(ii) 100 DAP 0.58
58.3
18.9
2.2
0.6
–
–
–
0.1
0.5
0.2
0.1
Neer-
-do-
(i) 70 DAP
0.35
71.6
9.6
0.2
0.5
0.4
0.5
0.9
0.2
–
–
–
kalka
(ii) 100 DAP 0.58
47.4
35.4
0.4
0.1
0.2
0.8
0.5
0.6
–
–
–
Source: (Bahl
et al.
2000).