[Specification] 99%

[Appearance] Dark Green powder

Plant Part Used:

[Particle size] 80Mesh

[Loss on drying] ≤5.0%

[Heavy Metal] ≤10PPM

[Storage] Store in cool & dry area, keep away from the direct light and heat.

[Shelf life] 24 Months

[Package] Packed in paper-drums and two plastic-bags inside.

[Net weight] 25kgs/drum

[What is that?]

Chlorophyll is a natural green pigment which is obtained through extraction and refining processes from natural green plants or silkworm feces.Chlorophyll is stabilized chlorophyll, which is prepared from chlorophyll by saponification and replacement of magnesium atom with copper and sodium. Chlorophyll is dark green to blue black powder, easily soluble in water but slightly soluble in alcohol and chloroform, with transparent jade green water solution without sediment.

[Function]

1.clears up odors of putrefaction effectively.

2.play an important role on cancer prevention.

3.Chlorophyll has superior coloring strength and good stabilization in neutral and alkali solutions.

4.Chlorophyll has effect on liver protection, fastening healing of stomach ulcers and intestine ulcers.

5.The active ingredient in a number of internally-taken preparations intended to reduce odors associated with incontinence, colostomies and similar procedures, as well as body odor in general.

6.Chlorophyll has strong antibacterial action, which makes it useful in surgeries, ulcerative carcinoma, acute rhinitis and rhinosinusitis, chronic ear infections, inflammations, etc.

Biochemistry: Protein structure. Drawing protein chains. Peptide bonds. How to determine the net charge of a peptide chain at different pH’s. Primary structure. Weak interactions; electrostatic interactions, hydrogen bonds, Van der Waals interactions. Hydrophobic effect. Disulfide bonds. Secondary structure; the alpha helix, beta-pleated sheets. Alpha-keratin. Collagen. Tertiary structure. Quaternary structure

This is a recording of a tutoring session, posted with the student’s permission.

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For a document containing the video (1) homework problems, click here:

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TABLE OF CONTENTS
VIDEO (1)
0:00 Drawing protein chains. Peptide bonds
23:40 How to determine the net charge of a peptide chain at different pH’s
40:10 Characteristics of peptide bonds

VIDEO (2)
Homework
φ and ψ
Primary structure
Secondary structure. The alpha helix
Weak interactions. Electrostatic interactions
Hydrogen bonds

VIDEO (3)
Homework
Functions of proteins
Van der Waals interactions
Hydrophobic effect
The alpha helix, continued
Alpha-keratin
Collagen

VIDEO (4)
Homework
Disulfide bonds
Disulfide bonds in alpha-keratin
Homework, continued. More about collagen
Beta-pleated sheets

VIDEO (5)
Homework
Tertiary structure
Quaternary structure

VIDEO (6)
Homework

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