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Determination of the structural changes by FT-IR, Raman, and CP/MAS 13C NMR spectroscopy on retrograded starch of maize tortillas
Abstract The nixtamalization, production and storage of tortillas in refrigeration cause several changes on the starch structure, resulting in an increased crystallinity and therefore a higherExpand
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HIV-1 inhibitory compounds from Calophyllum brasiliense leaves.
The hexane, acetone and methanol extracts of Calophyllum brasiliense leaves were fractionated following a three bioassay guide: high HIV-1 RT inhibition, low cytotoxicity on MT2 cells and highExpand
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HIV-1 inhibition by extracts of Clusiaceae species from Mexico.
The organic plant extracts of 21 species of Clusiaceae from Mexico were screened for anti HIV-1 reverse transcriptase activity in a non-radioactive immuno colorimetric assay. The extracts of 5Expand
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Trypanocidal constituents in plants 1. Evaluation of some Mexican plants for their trypanocidal activity and active constituents in Guaco, roots of Aristolochia taliscana.
Crude extracts of Mexican medicinal plants were screened for trypanocidal activity against Trypanosoma cruzi, which is the etiological agent for Chagas' disease, one of the most serious protozoanExpand
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Hypoglycemic effect of extracts and fractions from Psacalium decompositum in healthy and alloxan-diabetic mice.
The hypoglycemic effect of the hexane, methanol and water extracts obtained from roots of Psacalium decompositum (Asteraceae) was investigated in fasting healthy mice. Only the water extractExpand
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Production of Maltosylfructose (Erlose) with Levansucrase from Bacillus Subtilis
Levansucrase (E.C. from B. subtilis was used in a synthesis reaction for the production of maltosylfructose using maltose as acceptor and sucrose as the fructosyl donor. The effect ofExpand
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Flavanones and 3-hydroxyflavanones from Lonchocarpus oaxacensis.
The roots of the tropical tree Lonchocarpus oaxacensis afforded the 3-hydroxyflavanones jayacanol and mundulinol, as well as two flavanones, mundulin and minimiflorin. Flavonoids bearingExpand
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Two novel Diels-Alder adducts from Hippocratea celastroides roots and their insecticidal activity
Two novel compounds, celastroidine A (1) and B (2), were isolated from the roots of Hippocratea celastroides K. Their structures were elucidated by spectroscopical and X-ray diffraction studies.Expand
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Evaluation of the antimicrobial activity of Acalypha monostachya Cav. (Euphorbiales: Euphorbiaceae)
Acalypha monostachya (Euphorbiaceae) is used by the inhabitants of San Rafael and Zapotitlan Salinas, Puebla, Mexico, to alleviate illnesses of bacterial and fungal origin. We analyzed theExpand
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