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Related Concept Videos

Light Acquisition02:16

Light Acquisition

In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
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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 atmosphere, the...

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Updated: Jun 24, 2026

Relating Stomatal Conductance to Leaf Functional Traits
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Published on: October 12, 2015

Nutritional quality of leaves of some genotypes of mulberry (Morus alba).

Sarita Srivastava1, Rashmi Kapoor, Anju Thathola

  • 1Department of Foods and Nutrition, College of Home Science, U.S. Nagar, Uttaranchal, India. sarita.srivastava@rediffmail.com

International Journal of Food Sciences and Nutrition
|December 1, 2006
PubMed
Summary

Mulberry leaves are rich in nutrients like protein, vitamins, and minerals, with varying levels in fresh and dried forms. Tannic acid, an antinutritional factor, was also quantified in both fresh and dried mulberry leaf samples.

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Area of Science:

  • Agricultural Science
  • Food Science
  • Nutritional Science

Background:

  • Mulberry leaves (Morus spp.) are utilized globally for various purposes, including animal feed and traditional medicine.
  • Understanding the nutritional profile of different mulberry genotypes is crucial for optimizing their use.

Purpose of the Study:

  • To determine the proximate composition, vitamin, mineral, and tannic acid content of six mulberry leaf genotypes.
  • To compare these nutritional values between fresh and dried mulberry leaf powder.

Main Methods:

  • Proximate analysis (moisture, crude protein, ash, fiber, fat, carbohydrate, energy).
  • Vitamin analysis (ascorbic acid, beta-carotene).
  • Mineral analysis (iron, zinc, calcium).
  • Quantification of tannic acid.

Main Results:

  • Fresh leaves: moisture (71.13–76.68%), crude protein (4.72–9.96%), energy (69–86 kcal/100 g).
  • Dried powder: crude protein (15.31–30.91%), energy (113–224 kcal/100 g).
  • Vitamins and minerals were significantly higher in dried powder; tannic acid ranged from 0.04–0.08% (fresh) and 0.13–0.36% (dried).

Conclusions:

  • Mulberry leaves are a valuable source of protein, vitamins, and minerals, with nutrient density increasing upon drying.
  • The study provides essential nutritional data for six mulberry genotypes, aiding in their effective utilization.
  • Tannic acid content should be considered in applications involving mulberry leaves.