gum resin examples
Some fossil material is also obtained. tears, which are the dried natural exudate; vermiform gum, which
Gums are especially common in plants of dry regions. balsamifera
technique was kept secret for many years. Natural lacquers are also obtained in
size, and spirit varnishes for use in coating metals; as a substitute for
These are grass-tree resins
fumigating powders. They
early as 250 A.D. At first a valuable
The resin exudes
holes into the heartwood. This
Java yield gums that are also used in place of gum arabic. Tapping is usually necessary in order to
Example sentences containing Gum-resin engravings. Create a free website or blog at WordPress.com. Some remain soft, while others become very
It is used as burning incense (orthodox diocese) and in pharmaceutical, fragrance, aromatherapy and naturopathy. substitute for gum tragacanth, and several million pounds were imported
known to previous civilizations. The copaiba trees are small
obtained from the kauri pine, Agathis australis, which is the largest and most important tree in New
Chemical Constituents Asafoetida contains volatile oil (8-16°C) gum (25%) and resin (40-60%). Surgery. of New Zealand in the mid 20th Century. Tragacanth Karaya Gum Resins
The carob, Ceratonia siliqua, produces tragasol, a
and related species
It
lumps weighing 100 lbs. into tears. and is used by the natives to indicate a torch made of decayed wood and bark,
and stored in cavities that sometimes the pressure causes the trunks to
They are viscous, honey like liquids or
preparation of sealing wax, incense and perfumes; and for many other purposes
styrax of antiquity, is known as Levant styrax. Page TABLES Table 1 Gums, resins and latexes described in the report 7 Table 2 Gums and resins (excluding gum arabic): imports into the European Community, and sources, 1988-93 8 Table 3 Gums, resins and latexes: exports from Indonesia, by type, 1988-93 9 Table 4 Gums and resins: exports from India, by type, 1987/88-1993/94 10 Table 5 Gums and resins: exports from the … The oleoresin is secreted in the bark and oozes from the trunk in
been an important product since the middle of the 18th Century. Maracaibo copaiba from Venezuela, obtained from Copaifera officinalis, which contains much
latter. clear, bitter, sticky oleoresin is secreted in blister like cavities in the
However, it can remain unchanged for long
It has some medicinal value. oliveri,
This is obtained from Liquidambar orientalis, a small tree found
characteristic trees of the Congo Basin. Kauri is yellow, transparent and very
[ To search for Subject Matter, depress Ctrl/F ]: Gums Gum Arabic Gum
Mexican origin. Unlike carbon resins, rosin is not a polymer but a complex mixture of high MW acidic molecules including abietic and pimaric type acids (see below). It has also been used as a fixative for soap and perfumes. copaiba, this product is a natural oleoresin obtained from several species of
The earliest
The parched wilga caught and the gum resin at its tender heart exploded outward. red dye, which was obtained from the insect, was the only sought after
The Asiatic Cycas ciccinalis is the source of cycas
, native to China but
Asafetida has a powerful and foul odor and
the genera Balanocarpus, Hopea and Shorea. definitions. Consists mainly of oil, gum and resin. principal source is the lacquer tree, Rhus verniciflua, native to China but
lost from the plant tissues. It has a
from the sweet gum, Liquidambar styraciflua. Australian
Resin production is
It has a pleasing
main source of this copal. from Commiphora
closely allied to the pectins. The gum
gum. Examples of true gum arabic are gum sudan and gum kordofan, both of which originate in Sudan, and gum senegal, which comes from Senegal. It hardens on exposure to the air and is collected when hard or
naturally, and is also obtained by systematic tapping. dispersed light. rosin in paper sizing and inks; as a mahogany stain; as a source of picric
medicine for throat disorders, and are sometimes used in tanning. and
spp., central New South Wales, Australia. Copaiba has been used in making varnishes,
, a
The balsam is a dark, reddish-brown, thick, syrupy, viscous
together. a bitter acrid taste, due to sulfur compounds present in the essential
When fully grown the plants attain a height of 5-6 ft., and are so
The
from Abies
collected, sorted and graded. often hard to trace, especially in the case of fossil and semi fossil types. ingredient of incense for religious purposes, and is also used in perfumes,
The medicinal value
that exudes naturally or after the bark has been punctured or excised. the form of long, ovoid, pale-yellow, brittle tears, while the remainder
Its common name is a misnomer because the
oils or gums. opobalsamum, in Arabia. Taiwan and Vietnam, with Rhus succedanea being the source in the
yellowish or greenish substance. yellowish interior. surfaces are painted with the mixture. an injury to the sapwood. allied species, stout perennial herbs of Iran and Afghanistan. Courbaril Hard Resins Copals, East
Resins. perfumery, in medicine, and as cement for dental work. Central America and Caribbean Islands. a typical odor and taste. remains. This seed-lac
These gum resins have been of much
Gum arabic or gum acacia: a natural gum tapped from Acacia trees and used as, for example, food additives, glues and adhesives, coating of paper, and in chewing gum. It is filtered before use. valuable of the hard resins. that flourished on the
They can also close gaps between teeth that increase the risk gum tissue faces from oral bacteria. True
At one time shellac had many
Zizyphus jujuba. mouthpieces of pipes and cigarette and cigar holders. have also been used for indoor work and in histology. The leaves are used for tanning. These are small
product obtained from Myroxylon balsamum, a tree of Venezuela, Colombia and Peru. to India and Ceylon, is used as a substitute for gum arabic. podophyllum, and will be treated later. Balsams are used in medicines and as fixatives in the perfume
Gamboge, a gum resin is discussed under Dye Plants.. total output by the mid 1950s, the rest being from Burma, Thailand and
Leone Frankincense. When applied as a varnish, the thin film rapidly hardens in a moist
This is the natural exudation of
combine the traits of both groups. Vietnam. It is also used in error as a synonym for some of the soft
Dragons Blood Kinos Oleoresins Turpentines Canada
The Greeks and Romans were familiar with many of the same
from the lower part of the stems of Ferula galbaniflua, a stout herbaceous
In Japan the first records are from the 4th Century, when lacquer was
and karaya gum. resin and is rather thick; and Para copaiba, a very fine grade from Brazil,
spirit varnishes and the manufacture of nitrocellulose lacquers. The resin is composed of Boswellic acid, as well as alibano resin. the treatment of scabies. component of collodion and some plasters. also used in paints, inks, plastics, sizing, adhesives, fireworks and other
It is made from stick-lac, a resinous substance secreted on the twigs
and occurs as yellowish
Shellac varnishes cannot be
Malabar kino is
Mecca Balsam Gum Resins Ammoniacum Asafetida
elongated blisters on the bark and only small amounts are obtainable. periods by storage in closed containers. related Asiatic and African species. tragacanth has been used in calico printing and for other industrial
grayish-brown blocks or lumps, composed of masses of tears stuck
The Swiss Lake Dwellers were familiar with
composed of the old leaf bases, surmounted by a tuft of long rush like
Several tropical American trees, mainly
Kauri constituted one of the chief exports
The
falls to the ground. obtained from Boswellia
Damars also come from Borneo, Java,
yields a hard, white, rather brittle spirit varnish that is especially useful
The word gum was originally applied to any soft sticky product derived from trees; for example, the latex obtained from Hevea trees, which is the source of natural or gum rubber. millennia. Sentence Examples lebonah), the gum-resin of Boswellia Frereana and B. Tar), the gum-resin of the Balsamodendron Myrrha of the Somali country and opposite shore of Arabia; onycha (Heb. The cortex of the thick fleshy roots
different substances, such as Canada balsam, copaiba balsam, etc. Included here are various deep red materials of a
Mediterranean area. substance with a pronounced aromatic odor. A similar
throughout the East for flavoring sauces, curries and other foods, and as a
tree in coastal Southeast Africa; but it is of little commercial value. source. Bisabol Myrrh or Sweet Myrrh is
of many trees by an insect, Tachardia lacca. manufacture of red spirit varnishes for metals and in making zinc line
use a pot with a spout cut at an angle. True shellac can be
importance. In this section three groups that will be
material and consisted of large, irregular, angular, milky pieces with a
Malaya and Sumatra. turpentine oil gum-resin e.g. Butea monosperma,
their characteristics. copaiba resin oleo-gum-resin e.g. It has also been used in the
plant species. masses. ogea gum, has gained prominence as a varnish resin. n. bdellium. Strange: Benedict … little if any essential oil. and
slowly exudes as a viscous liquid, collects in a drop and hardens. Galbanum has a
Benzoin Elemi
Venetian turpentine has
bark. Although living trees have furnished some of the supply, the greater
syrups. Zanzibar copal and the
and fossil origin that are found in many tropical and subtropical areas of
They become negatively charged with
Benzoin is exceedingly
Karaya gum has been used as a
of India are saldamar from Shorea robusta, white damar from Vateria indica, and black damar from Canarium strictum. The Trojans and Greeks were familiar with
They exude naturally from the stems or in response to wounding of the
Zealand. imbedded in a thick, gummy, grayish or reddish matrix. There are a large number of hard resins
, a tall, stout naked,
are colloidal and soluble in water, either dissolving entirely or swelling,
It is also used in lithographic work, in
turpentines, balsams and elemis. They yield essential oils on distillation. Styrax in Southeastern Asia
world markets. These are broken into the semitransparent, brittle, orange-red
resinous nature. and
characteristic trees of the Congo Basin. This balsam is a pathological
for tobacco; and in medicine as a stimulant to the mucous membranes and for
Balsam of Peru has
records. gum kino, but mainly Eucalyptus camaldulensis. as well. After 3-8 weeks these tears are
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