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benzoin

n. 安息香,benzoin树脂

安息香,benzoin树脂

WordNet (r) 3.0 (2006) (WordNet)

benzoin
n 1: gum resin used especially in treating skin irritation [synonym:
{benzoin}, {gum benzoin}, {benjamin}, {gum benjamin}, {asa
dulcis}]
2: used in some classifications for the American spicebush and
certain other plants often included in the genus Lindera
[synonym: {Benzoin}, {genus Benzoin}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Benzoin \Ben*zoin"\ (b[e^]n*zoin"), n. [Cf. F. benjoin, Sp.
benjui, Pg. beijoin; all fr. Ar. lub[=a]n-j[=a]w[imac]
incense form Sumatra (named Java in Arabic), the first
syllable being lost. Cf. {Benjamin}.]

Note: [Called also {benjamin}.]
1. A resinous substance, dry and brittle, obtained from the
{Styrax benzoin}, a tree of Sumatra, Java, etc., having a
fragrant odor, and slightly aromatic taste. It is used in
the preparation of benzoic acid, in medicine, and as a
perfume.
[1913 Webster]

2. A white crystalline substance, {C14H12O2}, obtained from
benzoic aldehyde and some other sources.
[1913 Webster]

3. (Bot.) The spicebush ({Lindera benzoin}).
[1913 Webster]

{Flowers of benzoin}, benzoic acid. See under {Benzoic}.
[1913 Webster]

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Benzoin (organic compound) - Wikipedia
Benzoin ( ˈbɛnzoʊ ɪn or - ɔɪn ) is an organic compound with the formula PhCH (OH)C (O)Ph It is a hydroxy ketone attached to two phenyl groups It appears as off-white crystals, with a light camphor -like odor Benzoin is synthesized from benzaldehyde in the benzoin condensation It is chiral and it exists as a pair of enantiomers: (R)-benzoin and (S)-benzoin Benzoin is not a
Benzoin - Uses, Side Effects, and More - WebMD
Learn more about Benzoin uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Benzoin
Benzoin | C14H12O2 | CID 8400 - PubChem
Benzoin is a white crystalline compound prepared by condensation of benzaldehyde in potassium cyanide, and is used in organic syntheses
What Is Benzoin Tincture and How Is It Used? - ScienceInsights
Benzoin tincture is a pharmaceutical preparation created by dissolving the fragrant resin from certain trees in an alcohol solution Used for centuries, it has evolved from ancient remedies into a modern medical adhesive enhancer The solution’s unique composition allows it to create a protective film when applied to the skin It serves as both a mild antiseptic and a physical barrier
Benzoin: Health Benefits, Side Effects, Uses, Dose Precautions - RxList
Benzoin is the sap (gum resin) of trees that belong to the Styrax species Don't confuse benzoin with Siam benzoin (Styrax tonkinensis), which is used only in manufacturing and not as a medicine People take benzoin by mouth for swelling (inflammation) of the throat and breathing passages Some people apply it directly to the skin to kill germs, reduce swelling, and stop bleeding from small
Benzoin | 119-53-9 - ChemicalBook
Benzoin (CAS 119-53-9) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices
BENZOIN Definition Meaning - Merriam-Webster
The meaning of BENZOIN is a hard fragrant yellowish balsamic resin from trees (genus Styrax) of southeastern Asia used especially as a fixative in perfumes, as incense, and in medicine as an expectorant and skin protectant
Benzoin - NIST Chemistry WebBook
Benzoin Formula: C 14 H 12 O 2 Molecular weight: 212 2439 CAS Registry Number: 579-44-2 Information on this page: Condensed phase thermochemistry data Phase change data References Notes Options: Switch to calorie-based units Data at NIST subscription sites: NIST TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data) NIST subscription sites provide data under the
Benzoin - healthencyclopedia. org
Benzoin can be prepared via the benzoin condensation reaction, which involves the use of benzaldehyde and potassium cyanide The mechanism and conditions of this synthesis have been studied extensively Benzoin aldolase is an enzyme that catalyzes the conversion of benzoin to benzaldehyde, which is an important reaction in organic synthesis
Benzoin: Introduction, Composition, Chemistry, Bio-Sources, Therapeutic . . .
Benzoin is a balsamic resin obtained from the bark of various species of the Styrax genus, primarily Styrax benzoin and Styrax tonkinensis It is commonly known as gum benzoin or Benjamin gum and has been widely used in traditional medicine, perfumery, and incense-making Benzoin is not a true alkaloid or a single compound but rather a complex mixture of resinous substances, aromatic acids

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