Purpose of Case Studies
These case studies connect plant biochemistry concepts with real-world horticultural systems in Ethiopia and beyond.
Students analyze biochemical mechanisms underlying crop productivity, quality, stress tolerance, and value addition.
Learning Outcomes:
- Apply biochemical knowledge to horticultural problems.
- Interpret crop performance using biochemical indicators.
- Develop analytical and problem-solving skills.
- Link biochemistry with agronomy, breeding, and postharvest science.
1. Coffee Quality and Biochemical Composition
Sector: Beverage crops (Coffee)
Focus: Relationship between biochemical compounds and coffee quality.
- Caffeine, chlorogenic acids, sugars, lipids
- Impact of altitude and processing methods
- Quality traits: aroma, flavor, acidity
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2. Enset Productivity and Carbohydrate Metabolism
Sector: Root and tuber crops
Focus: Biochemical basis of starch accumulation and food security.
- Carbohydrate synthesis and storage
- Variation among landraces
- Implications for yield and resilience
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3. Fruit Color and Secondary Metabolites
Sector: Fruits (mango, banana, avocado)
Focus: Role of pigments in fruit quality.
- Anthocyanins, carotenoids, flavonoids
- Consumer preference and nutrition
- Postharvest biochemical changes
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4. Stress Tolerance in Vegetables
Sector: Vegetables
Focus: Biochemical mechanisms of stress resistance.
- Antioxidant enzymes (SOD, CAT, POD)
- Osmoprotectants (proline, sugars)
- Implications for climate adaptation
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5. Essential Oils in Spices
Sector: Spices (ginger, turmeric, coriander)
Focus: Secondary metabolites and economic value.
- Terpenoids and phenolic compounds
- Extraction and quality assessment
- Applications in food and medicine
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6. Floriculture and Pigment Biochemistry
Sector: Floriculture
Focus: Biochemical control of flower color and longevity.
- Pigments: anthocyanins and carotenoids
- Ethylene and senescence
- Commercial implications
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