JUTE

Question 1

What is the botanical source of jute

Answer 1

Conchorus capsularis L. Malvaceae
(White jute)
Conchorus olitorius L. Malvaceae
(tossa jute)

Question 2

What is the description of jute

Answer 2

The strands of phloem fibres obtained from the stem bark of both species

Question 3

What is the distribution of jute

Answer 3

Bengal

Question 4

Physical properties of jute

Answer 4

Fibres are off white to brown
Good insulating and antistatic
Golden fibre due to golden silky shine
Acoustic insulation and no skin irritations

Question 5

What is the chemical composition of jute

Answer 5

Cellulose( maj.component of plant fibers)
Lignin(maj. Component of wood fibre)
i.e ligno-cellulosic(partially a textile fibre and primarily wood)

The heavily lignified lamella is destroyed by oxidizing agents like a mixture of nitric acid and potassium chlorate

Question 6

Microscopy of jute

Answer 6

Round apex
No mark in wall
Polygonal transverse section

Question 8

Pharmaceutical uses of jute

Answer 8

Surgical dressings
Manufacture of medicated tows, padding splints, Soak fluids and filter medium

Question 9

Tests for jute

Answer 9

Red color with phloroglucinol
Yellow color with iodine and sulphuric acid
Yellow color with chlor-zinc-iodine