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1.
European J Med Plants ; 2014 Dec; 4(12): 1447-1461
Article in English | IMSEAR | ID: sea-164210

ABSTRACT

Secondary somatic embryogenesis leads to the formation of abnormal somatic embryos and produces abnormal seedlings. Normal plants are difficult to obtain from these embryos, due to the asynchronous maturation of the embryogenic tissues and low germination and conversion rates. The effects of some media additives and different strengths of MS medium on germination and plantlet formation of in vitro derived somatic embryos of Ferula Assa-foetida were studied. The highest number of normal embryos was observed in MS medium containing 30g/l sucrose with 0.5% or 1% AC and in MS medium supplemented with PEG and 0.5% or 1% AC. The treatments of MS medium with 30g/l sucrose and 0.5% AC × MS medium containing sorbitol and MS medium containing PEG and 1% AC × ½ MS had maximum number of normal germinated embryos without secondary somatic embryogenesis (SSE). In some of the treatments the embryos were converted better than the others, such as; the interaction effect of MS medium with 30g/l sucrose and 0.5% AC× MS, MS medium with 30g/l sucrose × MS medium with glutamine. Using different strength of MS medium and presence of some media additives is effective on germination and conversion of somatic embryos into normal plantlet. Presence of Activated Charcoal in the culture medium can reduce secondary somatic embryogenesis.


Subject(s)
Ferula/classification , Ferula/growth & development , Germination/drug effects , Germination/physiology , Plant Somatic Embryogenesis Techniques , Plants, Medicinal/growth & development , Polyethylene Glycols , Seeds/chemistry , Seeds/growth & development , Seeds/physiology
2.
Pediatría (Bogotá) ; 4(4): 165-7, dic. 1994. graf
Article in Spanish | LILACS | ID: lil-190465

ABSTRACT

Entre los meses de enero y marzo de 1993 se realizó un estudio en madres en período de lactancia, primíparas y con recién nacidos sanos y a término. En el primer mes de estudio las 24 madres recibieron educación sobre lactancia materna con el fin de homogenizar el grupo. Durante el segundo mes a 12 de estas madres se les suministró infusión de hinojo como sustancia galactagoga para determinar el efecto real de esta sustancia. Las 12 restantes siguieron una dieta normal para su estado actual, sin inclusión de hinojo. Se encontró un aumento en la producción de leche en aquellas madres que consumieron hinojo, además de un incremento mayor de peso en sus hijos comparados con aquellos que no consumieron ninguna sustancia galactagoga. Galactagogo: viene de la palabra galacto. Del griego galaktos que significa leche y agogos que significa conductor, es decir que aumenta la secreción de leche. Hinojo: Planta umbelífera, aromática y medicinal.


Subject(s)
Humans , Female , Adult , Breast Feeding/ethnology , Breast Feeding/psychology , Breast Feeding/statistics & numerical data , Ferula/classification , Ferula/metabolism
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