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level: General Idea 2

Questions and Answers List

Question	Answer
form the largest group of naturally occurring quinone pigments.	Anthraquinones
They occur in plants usually as hydroxylated, methylated or carboxylated derivative of __	anthraquinones, anthrone, anthrenol or diamthrone.
1 Examples of anthraquinones 2 Sources of anthraquinones	1 Chrysopanol Emodin Physcion 2 Rhubarb Cascara Aloes Senna Frangula Hypericum
Anthraquinones Uses	dyes cathartics (purgatives)
Anthraquinone are often orange red compounds which are soluble in __	hot water and in dilute alcohol.
1 have long been known to cause poison when eaten half cooked/cooked with root peelings. 2 Other sources of cyanogenic glycosides	1 Manihot esculenta crantz roots (cassava) - this is due to the hydrocyanic acid 2 Andropogon sorghum (Linn) Brot. Or “sorghum” Phaseoluslunatus Linn. or (patani) Linamarin in Cassava Amygdalin in bitter almonds Dhurrin in sorghum
known as essential oils or ethereal oils since they usually constitute for the odorous principles of the plants.	Volatile oils
Many essential oils are used for their medicinal and therapeutic actions as __	antiseptics, analgesic, sedatives, stimulants, and stomachic's.