Almond, Linseed, Coconut and Cottonseed Oils
Session 36: Almond, Linseed, Coconut and Cottonseed Oils
Total Session Time: 60 minutes
Prerequisites
Learning Tasks
By the end of this session students are expected to be able to:
Resources Needed:
SESSION OVERVIEW
|Step |Time |Activity/ |Content |
| | |Method | |
|1 |05 minutes |Presentation |Introduction, Learning Tasks |
|2 |15 minutes |Presentation |Natural Source, Constituents and |
| | |Brainstorming |Uses of Almond Oil |
|3 |10 minutes |Presentation |Natural Source, Constituents and |
| | | |Uses of Linseed Oil |
|4 |10 minutes |Presentation |Natural Source, Constituents and |
| | |Buzzing |Uses of Coconut Oil |
|5 |10 minutes |Presentation |Natural Source, Constituents and |
| | | |Uses of Cottonseed Oil |
|6 |05 minutes |Presentation |Key Points |
| 7|05 minutes |Presentation |Evaluation |
SESSION CONTENTS
STEP 1: Presentation of Session Title and Learning Tasks (5 minutes)
READ or ASK students to read the learning tasks and clarify
ASK students if they have any questions before continuing.
STEP 2: Natural Source, Constituents and Uses of Almond Oil (15 minutes)
o Almond oil is a fixed oil obtained by expression from kernels of Prunus
amygdalus, family Rosaceae Var dulcis (sweet almond) or P. amygdalus
Var amara (bitter almond)
o The oil is pale yellow liquid with a slight odour and bland, nutty
taste
o Oleic acid
o Linolenic acid
o Amygdalin (bitter almond)
o Vehicle in oily injections
o Laxative
o Volatile oils are flavouring agents
STEP 3: Natural Source, Constituents and Uses of Linseed Oil (10 minutes)
o Linseed oil (or flaxseed oil) is a fixed oil obtained from the dried,
ripe seed of Linum usitatissimum (flaxseed), family Linaceae
o Palmitic acid
o Stearic acid
o Alpha linoleic acid (ALA)
o Oleic acid
o Used in lowering blood cholesterol levels (due to presence of ALA),
control blood pressure
o Used in treatment of inflammation associated with gout
o Controls constipation
o It is an important drying oil in the paint and varnish industry
STEP 4: Natural Source, Constituents and Uses of Coconut Oil (10 minutes)
o Coconut oil is a fixed oil obtained by expression or extraction from
the seeds of Cocos nucifera (Palmae)
o The oil is pale yellow to colourless liquid which may have an odour of
coconut
o Lauric acid (chief constituent)
o Myristic acid
o Stearic acid
o Caproic acid
o Capric acid
o Caprylic acid
o Palmitic acid
|Activity: Buzzing (5 minutes) |
| |
|ASK students to pair up and buzz on the following question for 2 |
|minutes |
| |
|What are the uses of Coconut oil? |
| |
|ALLOW few pairs to respond and let other pairs to add on points not |
|mentioned |
| |
|WRITE their response on the flip chart/board |
| |
|CLARIFY and SUMMARIZE by using the content below |
o Pharmaceutically in ointment base
o Cosmetically as a moisturizer
o Also used in making soap, candles, chocolate, candies etc.
STEP 5: Natural Source, Constituents and Uses of Cottonseed Oil (10
minutes)
o Cotton seed oil is a fixed oil expressed from seeds of Gossypium
hirustum family Malvaceae
o Oleic acid
o Linoleic acid
o Palmitic acid
o Stearic acid
o Solvent in injections
o Used in the manufacture of soaps
STEP 6: Key Points (5 minutes)
(Palmae)
STEP 7: Evaluation (5 minutes)
References
Trease, G. E., Evans, W. C., & Evans, D. (2009). Trease and Evans
pharmacognosy. London: Saunders.
Joanne Barnes et al (2002), Herbal medicines 3rd Edition: Pharmaceutical
Press
Wallis, T. E. (2005). Textbook of pharmacognosy. New Delhi: CBS.
Robbers, J. E., Speedie, M. K., Tyler, V. E., & Tyler, V. E. (1996).
Pharmacognosy and pharmacobiotechnology. Baltimore: Williams &
Wilkins.
Heinrich, M., Kinghorn, A. D., Maizels, D., Gibbons, S., & Phillipson, J.
Churchill Livingstone/Elsevier.
Unataka kutumiwa notes hizi kupitia WhatsApp?Kwa notes zilizopangiliwa vizuri kwa kusoma offline au PDF, bonyeza kitufe hapa chini. Ujumbe wenye Level, Semester, Module na Topic utaandaliwa moja kwa moja.TUMIWA NOTES WHATSAPP
