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Botanical Research and Applications
Research Guide
What is Botanical Research and Applications?
Botanical Research and Applications is a field that examines the properties, sources, extraction, characterization, bioavailability, and applications of betalains from plant sources such as Opuntia species, focusing on their antioxidant activity, nutritional value, health benefits, and use as natural colorants in functional foods.
This field includes 90,295 works on betalains, covering their stability, antioxidant properties, and roles in nutrition and food processing. Research emphasizes extraction and bioavailability from plants like cactus pear (Opuntia). Applications extend to natural colorants and bioactive compounds in functional foods.
Topic Hierarchy
Research Sub-Topics
Betalain Biosynthesis Pathways
This sub-topic details enzymatic steps, tyrosine-derived pathways, and transcriptional regulation of betalain production in Caryophyllales plants. Researchers clone genes like DODA and CYP76AD1 for metabolic engineering.
Betalain Antioxidant Activity
Investigates free radical scavenging, structure-activity relationships, and in vitro/in vivo antioxidant efficacy of betacyanins and betaxanthins. Studies compare potency to synthetic antioxidants.
Betalains in Opuntia Species
Focuses on extraction, profiling, and varietal differences of betalains from prickly pear (Opuntia ficus-indica) fruits and cladodes. Research covers seasonal stability and postharvest changes.
Betalain Stability in Food Processing
Examines pH, temperature, light, and oxygen effects on betalain degradation kinetics during thermal processing and storage. Includes stabilization via microencapsulation and copigmentation.
Bioavailability of Dietary Betalains
This sub-topic studies absorption, metabolism, and gut microbiota interactions of betalains in human and animal models. Pharmacokinetic analyses track betanin metabolites in plasma and urine.
Why It Matters
Betalains serve as natural colorants in food processing, replacing synthetic dyes while providing antioxidant activity and health benefits. "Natural Pigments: Carotenoids, Anthocyanins, and Betalains — Characteristics, Biosynthesis, Processing, and Stability" (2000) details their processing and stability, enabling use in products like juices and supplements from Opuntia species. Studies on 18 non-traditional tropical fruits showed high antioxidant capacities via ABTS, DPPH, FRAP, and beta-carotene methods, supporting nutritional applications in Brazil's food industry (Rufino et al., 2010). These compounds enhance functional foods, addressing demands for natural phytochemicals in health products.
Reading Guide
Where to Start
"Natural Pigments: Carotenoids, Anthocyanins, and Betalains — Characteristics, Biosynthesis, Processing, and Stability" (2000) provides a foundational review of betalain properties, stability, and food applications, ideal for initial understanding.
Key Papers Explained
"Biosynthesis of plant pigments: anthocyanins, betalains and carotenoids" (Tanaka et al., 2008) outlines betalain synthesis pathways, building on "THE GENETICS AND BIOCHEMISTRY OF FLORAL PIGMENTS" (Grotewold, 2006) which contrasts betalains with anthocyanins genetically. "Chemical studies of anthocyanins: A review" (Castañeda‐Ovando et al., 2008) parallels betalain chemistry, while "Natural Pigments: Carotenoids, Anthocyanins, and Betalains — Characteristics, Biosynthesis, Processing, and Stability" (Delgado‐Vargas et al., 2000) applies these to food stability. "Bioactive compounds and antioxidant capacities of 18 non-traditional tropical fruits from Brazil" (Rufino et al., 2010) demonstrates practical antioxidant quantification.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current work builds on stability and processing from Patras et al. (2009) and microencapsulation techniques in Desai and Park (2005), focusing on betalain applications in functional foods amid no recent preprints.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Salinity tolerance in halophytes* | 2008 | New Phytologist | 2.6K | ✓ |
| 2 | Chemical studies of anthocyanins: A review | 2008 | Food Chemistry | 2.4K | ✕ |
| 3 | Biosynthesis of plant pigments: anthocyanins, betalains and ca... | 2008 | The Plant Journal | 2.4K | ✕ |
| 4 | FT-IR study of plant cell wall model compounds: pectic polysac... | 2000 | Carbohydrate Polymers | 1.7K | ✕ |
| 5 | THE GENETICS AND BIOCHEMISTRY OF FLORAL PIGMENTS | 2006 | Annual Review of Plant... | 1.6K | ✕ |
| 6 | Bioactive compounds and antioxidant capacities of 18 non-tradi... | 2010 | Food Chemistry | 1.4K | ✓ |
| 7 | Natural Pigments: Carotenoids, Anthocyanins, and Betalains — C... | 2000 | Critical Reviews in Fo... | 1.4K | ✕ |
| 8 | Hydrocolloids as thickening and gelling agents in food: a crit... | 2010 | Journal of Food Scienc... | 1.2K | ✓ |
| 9 | Effect of thermal processing on anthocyanin stability in foods... | 2009 | Trends in Food Science... | 1.2K | ✕ |
| 10 | Recent Developments in Microencapsulation of Food Ingredients | 2005 | Drying Technology | 1.2K | ✕ |
Frequently Asked Questions
What are betalains?
Betalains are plant pigments responsible for red-violet and yellow colors in certain species like Opuntia. They exhibit strong antioxidant activity and serve as natural colorants in foods. Research covers their biosynthesis, stability, and health benefits (Tanaka et al., 2008).
How are betalains extracted from plants?
Extraction methods target betalains from sources like cactus pear for characterization and application. Processes ensure stability for use in functional foods. Stability during food processing is key, as detailed in pigment reviews (Delgado‐Vargas et al., 2000).
What is the antioxidant activity of betalains?
Betalains demonstrate antioxidant capacities through methods like ABTS, DPPH, FRAP, and beta-carotene bleaching. Extracts from non-traditional fruits, including Opuntia-related sources, show high activity. This supports their nutritional significance (Rufino et al., 2010).
What are key applications of betalains?
Betalains function as natural colorants and bioactive compounds in functional foods. They provide health benefits via antioxidant properties from plants like Opuntia. Processing techniques maintain their stability (Delgado‐Vargas et al., 2000).
How do betalains compare to anthocyanins?
Betalains and anthocyanins are mutually exclusive pigments; plants produce one or the other. Anthocyanins follow the flavonoid pathway, while betalains have distinct biosynthesis. Both contribute to flower and fruit colors (Grotewold, 2006; Tanaka et al., 2008).
What affects betalain stability in foods?
Thermal processing impacts stability, similar to anthocyanins, through degradation mechanisms and kinetics. Factors include pH, temperature, and oxygen exposure. Studies quantify losses during food processing (Patras et al., 2009).
Open Research Questions
- ? How can betalain bioavailability from Opuntia species be improved for human nutrition?
- ? What mechanisms control the genetic regulation of betalain biosynthesis versus anthocyanins?
- ? Which extraction methods optimize betalain yield and antioxidant activity from cactus pear?
- ? How do processing conditions preserve betalain stability in functional foods?
- ? What roles do betalains play in plant osmotic adjustment under salinity stress?
Recent Trends
The field encompasses 90,295 works on betalains, with sustained focus on Opuntia sources, antioxidants, and food colorants per cluster data.
No growth rate over 5 years or recent preprints reported.
High-citation papers from 2000-2010, like Rufino et al. on fruit antioxidants, indicate established trends in nutritional applications.
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