Meaning of "pyrethrin I" in the English dictionary

PRONUNCIATION OF PYRETHRIN I

pyrethrin I  [paɪˈriːθrɪn wʌn]

GRAMMATICAL CATEGORY OF PYRETHRIN I

Pyrethrin I is a noun.

A noun is a type of word the meaning of which determines reality. Nouns provide the names for all things: people, objects, sensations, feelings, etc.

WHAT DOES PYRETHRIN I MEAN IN ENGLISH?

Pyrethrin I

Pyrethrin I is one of the two pyrethrins, natural organic compounds with potent insecticidal activity. It is an ester of -trans-chrysanthemic acid with --pyrethrolone.

TRANSLATION OF PYRETHRIN I

Find out the translation of pyrethrin I to 25 languages with our English multilingual translator.

The translations of pyrethrin I from English to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «pyrethrin I» in English.

• Translator English - Chinese: 除虫菊酯Ⅰ
• Translator English - Spanish: piretrina I
• English: pyrethrin I
• Translator English - Hindi: pyrethrin मैं
• Translator English - Arabic: أنا بيريثرين
• Translator English - Russian: пиретрин Я
• Translator English - Portuguese: piretrina I
• Translator English - Bengali: পাইরেথ্রিন আমি
• Translator English - French: pyréthrine I
• Translator English - Malay: Pyrethrin I
• Translator English - German: Pyrethrin I
• Translator English - Japanese: ピレトリンI
• Translator English - Korean: 피레 트린 I
• Translator English - Javanese: Pyrethrin I
• Translator English - Vietnamese: pyrethrin tôi
• Translator English - Tamil: பைரெத்ரின் நான்
• Translator English - Marathi: पायरेथ्रीन आय
• Translator English - Turkish: Pyrethrin I
• Translator English - Italian: pyrethrin I
• Translator English - Polish: piretryna I
• Translator English - Ukrainian: пиретрин Я
• Translator English - Romanian: piretrină I
• Translator English - Greek: πυρεθρίνη I
• Translator English - Afrikaans: pyrethrin ek
• Translator English - Swedish: pyretrin I
• Translator English - Norwegian: pyrethrin jeg

10 ENGLISH BOOKS RELATING TO «PYRETHRIN I»

Discover the use of pyrethrin I in the following bibliographical selection. Books relating to pyrethrin I and brief extracts from same to provide context of its use in English literature.

The Mode of Action of Organic Insecticides

They concluded that pyrethrin II w s about 80 per cen as toxic as pyrethrin I, the respective Lino's being I-65 mg /100 ml., and II-85 mg./l00 ml. Tattersfield et al. ( 1929), using pyrethrins sprayed in aqueous saponin solutions on Aphis rumicis, ...

Robert Lee Metcalf, 1948

Encyclopedia of Parasitology: A-M

Pyrethrins Important Compounds Pyrethrin I, Pyrethrin II, Cinerin I, Cinerin II, Jasmolin I, Jasmolin II. General Information Pyrethrum comprises a mixture of naturally occurring pyrethrins (pyrethrin I, pyrethrin II, Jasmolin I, Jasmolin II, cinerin I, ...

Heinz Mehlhorn, 2008

Georgis' Parasitology for Veterinarians

Pyrethrins The flower head of the pyrethrum plant Chrysanthemum cinerariaefolium contains six closely related insecticidal substances (pyrethrin I and II, cinerin I and II, jasmolin I and II) that are known as pyrethrins. Pyrethrins are rapidly ...

Dwight D. Bowman, Jay R. Georgi, 2009

Lewis' Dictionary of Toxicology

Robert Alan Lewis. 871 872. pyrethrin I pyridine 1roenteritis and CNS disturbance and may include diarrhea, nausea, vomition, tinnitis, headache, numbness of tongue and lips, syncope, hyperexc ttability, incoordination, convulsions, ...

Robert Alan Lewis, 1998

HPLC Methods for Recently Approved Pharmaceuticals

Pyrethrins Molecular formula: C21H28O3 (pyrethrin I), O O O CH 2 R C22H28O5 (pyrethrin II) CH3 CH 3 CH 3 H 3 C Molecular weight: 328.44 (pyrethrin I), 372.45 (pyrethrin II) R = CH3 (I) or COOCH3 (II) CAS Registry No: 121-21-1 (pyrethrin ...

George Lunn, 2005

Pyrethroids: From Chrysanthemum to Modern Industrial Insecticide

1 HPLC chromatogram of pyrethrum leaves and authentic pyrethrins. (a) Extract from pyrethrum leaves. (b) Standard solution of pyrethrin I and pyrethrin II. A: pyrethrin II, B: pyrethrin I pyrethrins. They questioned the biosynthesis of pyrethrins in ...

Noritada Matsuo, Tatsuya Mori, 2012

Botanical Pesticides in Agriculture

The ratio of pyrethrin-I and pyrethrin-II and the proportion of the six constituents were the characteristics of a particular clone. The proportion of cinerin, jasmolin and pyrethrin in *he pyrethrin-I fraction was similar to that of the pyrethrin-II fraction ...

Anand Prakash, Jagadiswari Rao, 1996

Pesticides, Man and Biosphere

The pyrethrum extract usually contains equal amount of chrysanthemic acid and pyrethric acid esters and Pyrethrin I and II account for 65-75% of the mixture of esters. The absolute stereochemistry of the cyclopropane ring of the acid portion is ...

O. P. Shukla, Omkar, A. K. Kulshretha, 1998

Annotated Bibliography of Analytical Methods for Pesticides

It is recommended that, in the mercury reduction method for determination of pyrethrin I in pyrethrum powder and in pyrethrum extracts in mineral oil, the reduction be carried out at 25° £ 2° for a period of one hour, and that the factor used be 1 ...

National Research Council (U.S.). Food Protection Committee, 1954

Hayes' Handbook of Pesticide Toxicology

Pyrethrin I IUPAC name: (Z)-(S)-2-methyl-4-oxo-3-(penta2,4-dienyl)cyclopent-2- enyl ( )-trans-chrysanthemate. Chemical Abstract name: (1R,3R)-2,2-dimethyl-3-( 2methyl-1-propenyl)cyclopropanecarboxylic acid (1S)-2methyl-4-oxo-3-(2Z)-2 ...

‎2010