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Anatomía y tolerancia a la desecación de semillas de cacao (Theobroma cacao L.) Colegio de Postgraduados
Rangel Fajardo, María Alma.
La adquisición de tolerancia a la desecación en semillas ortodoxas es una estrategia adaptativa que no presentan las semillas del tipo recalcitrantes y por consiguiente son sensibles a la desecación. El grado de tolerancia o sensibilidad a la desecación se ve afectada por varios aspectos de origen genético, fisiológico, bioquímico y anatómico; por consiguiente existen diferencias entre genotipos y entre individuos dentro del genotipo de la misma especie. En este estudio se documentaron características de anatomía de las semillas de cacao, se midió el grado de tolerancia a la desecación y la acumulación de azúcares en relación con tolerancia a la desecación en poblaciones de tres orígenes genéticos de cacao (Theobroma cacao L.). Se emplearon los...
Tipo: Tesis Palavras-chave: Theobroma cacao L.; Anatomía; Desecación; Estaquiosa; Germinación; Rafinosa; Semilla; Sensibilidad; Doctorado; Producción de semillas; Anatomy; Drying; Germination; Raffinose; Seed sensitivity; Stachyose.
Ano: 2009 URL: http://hdl.handle.net/10521/1246
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Assessment of flatulence causing agents in Chickpea (Cicer arietinum L.) and their possible removal Ciênc. Tecnol. Aliment.
MAHMOOD,Talat; HAMEED,Tabasum; HASNAIN,Sabahat; ALI,Sartaj; QAYYUM,Abdul; MEHMOOD,Ayaz; LIAQUAT,Muhammad; KHAN,Sami Ullah; SAEED,Muhammad; KHAN,Ayub.
Abstract Flatulence and fullness of stomach is one of the most common problem associated with chickpea primary due to presence of some oligosaccharides and phenols. In this investigation Desi and Kabuli varieties were compared for these oligosaccharides and phenolic compounds. Furthermore, the effect of different processing and cooking methods such as soaking, cooking and germination in the reduction of these antiphysiological factors were are also studies. Maximum tannic acid (0.90 ± 0.20%) was observed in Parbat and C-44 while minimum (0.60 ± 0.04%) in Karak-2. Stachyose contents ranged between 1.10 ± 0.05 (Karak-3) to 1.42 ± 0.02% (Parbat) while raffinose was 0.63 ± 0.05(Karak-3) to 0.81 ± 0.02% (Dasht). The highest tannic acid content was reduced up to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chickpea; Anti-nutritional factors; Tannic acid; Stachyose; Raffinose.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612018000100120
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Effect of raffinose and ultrasound pulses on invertase release by free and immobilized Saccharomyces cerevisiae in loofa (Luffa cylindrica) sponge BABT
Marques,Leila Larisa Medeiros; Buzato,João Batista; Celligoi,Maria Antonia Pedrine Colabone.
This study investigated the effect of raffinose and ultrasound pulses on invertase release from free S. cerevisiae and S. cerevisiae immobilized in Luffa cylindrica. The free cell culture was submitted to 2% raffinose pulse and irradiated for 2 minutes at 0.12 and 0.46 h-1 dilution rates. The immobilized cell culture was submitted to raffinose pulse and irradiated for 1, 2 and 4 minutes, at 0.10 h-1 dilution rate. In immobilized cells, the raffinose pulse increased the invertase activity from 5.38 to 7.27 U/mg. Ultrasound application in free cell culture at the 0.12 h-1 dilution rate gave the best results. The activity varied from 25.08 to 29.38 U/mg while the increase in immobilized cells was from 5.22 to 9.70 U/mg when sonicated for two minutes. These...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Immobilization; Invertase; Luffa cylindrica; Raffinose; Saccharomyces cerevisiae; Ultrasound.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000700003
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