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Gummo-oleoresins (oleo-gum resins, gum resins) occur mostly as crude balsams and contain also water-soluble gums. Processing of oleoresins is conducted on a large scale, especially in China (400,000 tons per year in the 1990s), but the technology is too labor-intensive to be viable in countries with high labor costs, such as the US.
The term gum turpentine may also refer to crude turpentine, which may cause some confusion. Turpentine may alternatively be extracted from destructive distillation of pine wood, [3] such as shredded pine stumps, roots, and slash, using the light end of the heavy naphtha fraction (boiling between 90 and 115 °C or 195 and 240 °F) from a crude ...
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Pine tar is combined with gum turpentine and boiled linseed oil to create a wood preservative. First, a thin coat is applied using a mixture with a greater proportion of turpentine. This allows it to permeate deeper into the oakum and fibre of the wood and lets the tar seep into any pinholes and larger gaps that might be in the planks. The tar ...
Myrrh is harvested by repeatedly wounding the trees to bleed the gum, which is waxy and coagulates quickly. After the harvest, the gum becomes hard and glossy. The gum is yellowish and may be either clear or opaque. It darkens deeply as it ages, and white streaks emerge. [3] Myrrh gum is commonly harvested from trees of the genus Commiphara.
Diets rich in fruits, vegetables, whole grains, nuts, seeds and legumes have long been associated with positive health benefits. But have you ever wondered about trying a 100% plant-based diet ...
As cases of the HMPV virus continue to increase in the U.S. and in China, here's what you need to know about the virus.
Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".