public function getProductAttributeAdminValue(Mage_Catalog_Model_Product $_product, $attributeCode)
{
    $resModel = Mage::getResourceModel('catalog/product');

    $optionId = $resModel->getAttributeRawValue($_product->getId(), $attributeCode, 0);

    $_product->setData($attributeCode, $optionId);

    return $resModel->getAttribute($attributeCode)->setStoreId(0)->getFrontend()->getValue($_product);
}