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相关概念视频

Fruit Development, Structure, and Function01:58

Fruit Development, Structure, and Function

22.4K
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
22.4K
Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

18.8K
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
18.8K
Plant Breeding and Biotechnology01:59

Plant Breeding and Biotechnology

19.0K
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
19.0K
Primary Production01:06

Primary Production

23.7K
The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.
23.7K
Production Efficiency01:01

Production Efficiency

16.9K
Net production efficiency (NPE) is the efficiency at which organisms assimilate energy into biomass for the next trophic level. Due to low metabolic rates and less energy spent on thermoregulatory processes, the NPE of ectotherms (cold-blooded animals) is 10 times higher than endotherms (warm-blooded animals).
16.9K
Microorganisms in Agriculture and Food industry01:27

Microorganisms in Agriculture and Food industry

68
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
68

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相关实验视频

Updated: Jul 16, 2025

Author Spotlight: Soybean Hairy Root Transformation for the Analysis of Gene Function
07:34

Author Spotlight: Soybean Hairy Root Transformation for the Analysis of Gene Function

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果蔬生产 果蔬生产 果蔬生产

Lord Abbey1, Mason MacDonald1, Josephine Ampofo2

  • 1Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Halifax, NS B2N 5E3, Canada.

Plants (Basel, Switzerland)
|September 9, 2023
PubMed
概括

水果和蔬菜富含维生素,纤维,矿物质和生物活性化合物. 这些营养素提供了显著的健康益处,包括抗炎,抗微生物,抗氧化和抗癌作用.

科学领域:

  • 营养科学 营养科学
  • 生物化学 生物化学

背景情况:

  • 水果和蔬菜是已知的维生素,纤维和矿物质等必需营养素的来源.
  • 它们还含有具有显著健康促进性质的生物活性化合物.

研究的目的:

  • 突出水果和蔬菜的营养和生物活性成分.
  • 为了强调它们的相关健康益处,如抗炎和抗氧化作用.

主要方法:

  • 对现有关于水果和蔬菜成分研究的文献综述.
  • 分析与消费有关的记录健康益处.

主要成果:

  • 确认高维生素,纤维和矿物质含量.
  • 鉴定具有抗炎,抗微生物,抗氧化和抗癌活性的多种生物活性化合物.

结论:

  • 水果和蔬菜对于健康饮食至关重要,因为它们含有丰富的营养素和生物活性化合物.
  • 定期消费有助于预防疾病和整体健康.

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