Geoscience Reference
In-Depth Information
ChApteR tWeLVe
Influence of biotic and
abiotic factors on yield
and quality of medicinal
and aromatic plants
Amit Chauhan, Ram Swaroop Verma
and Rajendra Chandra Padalia
Contents
Abstract
251
12.1 Introduction
252
12.2 Selected phytochemical classes
253
Alkaloids
253
Phenolic compounds
254
Saponins
255
Quinones
256
Essential oils
256
12.3 Factors influencing yield and quality of maps
257
12.4 Abiotic factors
258
Temperature
258
Light
260
Moisture
260
Soil
262
12.5 Biotic factors
264
12.6 Conclusion
267
References
268
Abstract
According to the World Health Organization (WHO,
1977), 'a medicinal plant' is any plant in which one or
251
