منابع مشابه
Flavonoids from Apis mellifera Beeswax
The flavonoids present in beeswax produced in “La Alcarria” region were analyzed by HPLC. Pinocembrin, pinobanksin, pinobanksin 3-acetate, chrysin, galangin and techtochrysin were detected as the main flavonoid constituents. This is the first detailed report on the flavonoids o f beeswax. These substances are already present when wax scales are secreted by bees. The same flavonoid compounds wer...
متن کاملBeeswax: a platform for private web apps
Even if a web-based messaging service offered confidential channels, how would users know whether their keys, or indeed even their plaintext, was not being exfiltrated? What if a variety of applications offered confidentiality? How would a user gain trust in all of them? In this paper we argue that a platform for private web applications is the only practical way for users to gain assurance abo...
متن کاملAcaricide Residues in Beeswax and Honey
We studied the contamination level of the acaricides Folbex VA (bromopropylate, BP), Perizin (coumaphos, CM) Apistan (fluvalinate, FV) and Bayvarol (flumethrine, FM) in brood combs, sugar feed, honey and in new beeswax. All samples were analysed by gas chromatography with ECD detection. After one normal acaricide treatment, in autumn, the brood comb wax was contaminated by all these acaraicides...
متن کاملFluvalinate Residues in Greek Honey and Beeswax
Tau-fluvalinate has been the most frequently used varroacide in Greece over the last decade. Application of the commercial apicultural product Apistan at the recommended dose does not seem to contaminate honey seriously. On the other hand, application of the nonauthorized for apicultural use, agricultural formulations, using various application techniques and doses may result in the presence of...
متن کاملQuality and Standards of Pollen and Beeswax
Bee gathered pollen is regarded as valuable special food and is used also in apitherapy. A production method, that ensures good pollen quality is described, as well as the main quality criteria, that can be included in a future standard. There are sensory, microbiological and physico-chemical quality criteria. Most important for the pollen quality is the water content. It is proposed, that the ...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1877
ISSN: 0036-8733
DOI: 10.1038/scientificamerican03101877-986csupp