[Latin Name] Silybum marianum G.

[Plant Source] The dried seed of Silybum marianum G.

[Specifications]  Silymarin 80% UV & Silybin+Isosilybin 30% HPLC

[Appearance] Light Yellow Powder

[Particle size] 80 Mesh

[Loss on drying] £ 5.0%

[Heavy Metal] £10PPM

[Extract solvents] Ethanol

[Microbe]  Total Aerobic Plate Count:  £1000CFU/G

                   Yeast & Mold:  £100 CFU/G

[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 Milk Thistle]

Milk Thistle is a unique herb which contains a natural compound called silymarin. Silymarin nourishes the liver like no other nutrient currently known. The liver acts as the body’s filter constantly cleansing to protect you from toxins.

Over time, these toxins can accumulate in the liver. Milk Thistle’s potent antioxidant properties and rejuvenating actions help keep the liver strong & healthy.

[Function]
1, Toxicology tests showed that:a strong effcets of protecting cell membrane of liver, in Clinical application, Milk Thistle

Extract has good results for the treatment of acute and chronic hepatitis, liver cirrhosis and a variety of toxic liver damage, etc.;
2, Milk Thistle Extract significantly improves the liver function of the patients with symptoms of hepatitis;

3,Clinical applications: for the treatment of acute and chronic hepatitis, cirrhosis, liver poisoning and other diseases.

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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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https://www.freelance-teacher.com/videos.htm

For a list of all the available video series, arranged in suggested viewing order, go to my website.

For the “Acids and bases” handout discussed in these videos, click here:

https://www.freelance-teacher.com/acid_base_reactions.pdf

For the “Amino acids” handout discussed in these videos, click here:

https://www.freelance-teacher.com/amino_acids.pdf

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

https://freelance-teacher.com/protein_structure_homework1.pdf

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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